41192 Commits

Author SHA1 Message Date
Peter Ujfalusi
d4a06c4334
ASoC: SOF: Drop ipc_cmd parameter for snd_sof_ipc_set_get_comp_data()
The correct ipc_cmd can be selected based on the `ctrl_cmd` and the `set`
parameters:
if the ctrl_cmd is SOF_CTRL_CMD_BINARY then SOF_IPC_COMP_*_DATA
otherwise SOF_IPC_COMP_*_VALUE.

The SET or GET direction can be selected with the use of `set` parameter.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211215180404.53254-3-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-15 22:16:41 +00:00
Peter Ujfalusi
9d562fdcd5
ASoC: SOF: ipc: Rename send parameter in snd_sof_ipc_set_get_comp_data()
Rename the send parameter to set in snd_sof_ipc_set_get_comp_data() and
sof_set_get_large_ctrl_data() to be more aligned with the function name.

No functional change.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211215180404.53254-2-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-15 22:16:40 +00:00
Jiasheng Jiang
2167c0b205
ASoC: rt5663: Handle device_property_read_u32_array error codes
The return value of device_property_read_u32_array() is not always 0.
To catch the exception in case that devm_kzalloc failed and the
rt5663->imp_table was NULL, which caused the failure of
device_property_read_u32_array.

Fixes: 450f0f6a8fb4 ("ASoC: rt5663: Add the manual offset field to compensate the DC offset")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20211215031550.70702-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-15 14:02:52 +00:00
Daniel Baluta
28084f4a0e
ASoC: SOF: OF: Avoid reverse module dependency
Similar with commit 8a49cd11e68ed0 ("ASoC: SOF: ACPI: avoid reverse
module dependency") we will be having hardware specific drivers that
link against a common "helper" framework.

sof-of-dev.c becomes a library with the interface defined in the newly
created file sof-of-dev.h.

This is the final step started with Kconfig simplification in
commit 7548a391c53ca ("ASoC: SOF: i.MX: simplify Kconfig")

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Paul Olaru <paul.olaru@oss.nxp.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211215085703.137414-1-daniel.baluta@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-15 14:02:50 +00:00
Jeremy Szu
f7ac570d0f ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook
There is a HP ProBook which using ALC236 codec and need the
ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to make mute LED and
micmute LED work.

Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211214164156.49711-1-jeremy.szu@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-15 09:34:22 +01:00
Mark Brown
9e376b14ef
ASoC : soc-pcm: fix trigger race conditions with shared BE
Merge series from Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>:

We've been adding a 'deep buffer' PCM device to several SOF topologies
in order to reduce power consumption. The typical use-case would be
music playback over a headset: this additional PCM device provides
more buffering and longer latencies, leaving the rest of the system
sleep for longer periods. Notifications and 'regular' low-latency
audio playback would still use the 'normal' PCM device and be mixed
with the 'deep buffer' before rendering on the headphone endpoint. The
tentative direction would be to expose this alternate device to
PulseAudio/PipeWire/CRAS via the UCM SectionModifier definitions.

That seemed a straightforward topology change until our automated
validation stress tests started reporting issues on SoundWire
platforms, when e.g. two START triggers might be send and conversely
the STOP trigger is never sent. The SoundWire stream state management
flagged inconsistent states when the two 'normal' and 'deep buffer'
devices are used concurrently with rapid play/stop/pause monkey
testing.

Looking at the soc-pcm.c code, it seems that the BE state
management needs a lot of love.

a) there is no consistent protection for the BE state. In some parts
of the code, the state updates are protected by a spinlock but in the
trigger they are not. When we open/play/close the two PCM devices in
stress tests, we end-up testing a state that is being modified. That
can't be good.

b) there is a conceptual deadlock: on stop we check the FE states to
see if a shared BE can be stopped, but since we trigger the BE first
the FE states have not been modified yet, so the TRIGGER_STOP is never
sent.

This patchset suggests the removal of the dedicated 'dpcm_lock' and
follows the design suggested by Takashi Iwai.  By default the
protection relies on the 'pcm_mutex', except for the FE and BE
triggers where the mutex cannot be used.  In this case, the FE PCM
lock is used instead. In the cases where a BE is added/removed, the
pcm_mutex and FE PCM lock are both taken.  In addition, the BE PCM
lock is used to serialize access to a shared BE.

With these patches I am able to run our entire validation suite
without any issues with this new 'deep buffer' topology, and no
regressions on existing solutions [1]. The tests were reproduced by
Bard Liao for SoundWire devices.

One might ask 'how come we didn't see this earlier'? The answer is
probably that the .trigger callbacks in most implementations seems to
perform DAPM operations, and sending the triggers multiple times is
not an issue. In the case of SoundWire, we do use the .trigger
callback to reconfigure the bus using the 'bank switch' mechanism. It
could be acceptable to tolerate a trigger multiple times, but the
deadlock on stop cannot be fixed at the SoundWire level alone.

Opens:

1) The issues reported by Nvidia on the RFCv3 may or may not be
present. We'd need test results to make sure the locking update does
not introduce a regression on Tegra.

2) There are other reports of kernel oopses [2] that seem related to
the lack of protection. I'd be good to confirm if this patchset solve
these problems as well.

[1] https://github.com/thesofproject/linux/pull/3146
[2] https://lore.kernel.org/alsa-devel/002f01d7b4f5$c030f4a0$4092dde0$@samsung.com/

changes since RFCv3:
Used two patches from Takashi. We now use the pcm_mutex, the FE stream
lock when adding and deleting a BE, and the BE stream lock to handle
concurrency between streams using the same BE.
Added a patch to use GFP_ATOMIC for the DPCM structure.
Fixed PAUSE_RELEASE transition (GitHub comment from Kai Vehmanen)

changes since RFCv2:
Removal of dpcm_lock to use FE PCM locks (credits to Takashi Iwai for
the suggestion). The FE PCM lock is now used before each use of
for_each_dpcm_be() - with the exception of the trigger where the lock
is already taken. This change is also applied in drivers which make
use of this loop (compress, SH, FSL).
Addition of BE PCM lock to deal with mutual exclusion between triggers
for the same BE.
Alignment of the BE atomicity on the FE on connections, this is
required to avoid sleeping in atomic context.
Additional cleanups (indentation, static functions)

changes since RFC v1:
Removed unused function
Removed exported symbols only used in soc-pcm.c, used static instead
Use a mutex instead of a spinlock
Protect all for_each_dpcm_be() loops
Fix bugs introduced in the refcount

Pierre-Louis Bossart (4):
  ASoC: soc-pcm: use GFP_ATOMIC for dpcm structure
  ASoC: soc-pcm: align BE 'atomicity' with that of the FE
  ASoC: soc-pcm: test refcount before triggering
  ASoC: soc-pcm: fix BE handling of PAUSE_RELEASE

Takashi Iwai (2):
  ASoC: soc-pcm: Fix and cleanup DPCM locking
  ASoC: soc-pcm: serialize BE triggers

 include/sound/soc-dpcm.h |   2 +
 include/sound/soc.h      |   2 -
 sound/soc/soc-core.c     |   1 -
 sound/soc/soc-pcm.c      | 351 +++++++++++++++++++++++++++------------
 4 files changed, 246 insertions(+), 110 deletions(-)

--
2.25.1
2021-12-15 02:02:41 +00:00
Miaoqian Lin
59716aa3f9
ASoC: qdsp6: Fix an IS_ERR() vs NULL bug
The function gpr_alloc_port return ERR_PTR on errors, it doesn't return
null.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20211211065840.1221-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:52 +00:00
Judy Hsiao
833a94aac5
ASoC: qcom: Distinguish headset codec by codec_dai->name
Distinguish which headset codec is on the board by codec_dai->name
instead of card->name.

It fixes the crash of being unable to handle kernel paging requests
at virtual address ADDR by initializing the correct audio codec on
the board.

Call stack of the crash:
```
 Unable to handle kernel paging request at virtual address ...
 ...
 Call trace:
  rt5682_set_component_pll+0xcc/0xb78 [snd_soc_rt5682]
  snd_soc_component_set_pll+0x90/0x154
  snd_soc_dai_set_pll+0xf4/0x1ac
  sc7180_snd_startup+0x268/0x3c0 [snd_soc_sc7180]
  snd_soc_link_startup+0xa4/0x180
  soc_pcm_open+0x35c/0x15c8
  snd_pcm_open_substream+0xa90/0x13b0
  snd_pcm_open+0x1a4/0x55c
  snd_pcm_capture_open+0x7c/0xe8
  snd_open+0x2b8/0x2e4
  chrdev_open+0x364/0x3d4
  do_dentry_open+0x66c/0xc58
  vfs_open+0x7c/0x8c
  path_openat+0x108c/0x2bbc
  do_filp_open+0x15c/0x258
  do_sys_open+0x278/0x62c
  __arm64_compat_sys_openat+0x9c/0xb0
  ...
```

Fixes: 425c5fce8a03 ("ASoC: qcom: Add support for ALC5682I-VS codec")
Signed-off-by: Judy Hsiao <judyhsiao@chromium.org>
Link: https://lore.kernel.org/r/20211214022509.1288245-1-judyhsiao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:51 +00:00
Pierre-Louis Bossart
3aa1e96a2b
ASoC: soc-pcm: fix BE handling of PAUSE_RELEASE
A BE connected to more than one FE, e.g. in a mixer case, can go
through the following transitions.

play FE1    -> BE state is START
pause FE1   -> BE state is PAUSED
play FE2    -> BE state is START
stop FE2    -> BE state is STOP (see note [1] below)
release FE1 -> BE state is START
stop FE1    -> BE state is STOP

play FE1    -> BE state is START
pause FE1   -> BE state is PAUSED
play FE2    -> BE state is START
release FE1 -> BE state is START
stop FE2    -> BE state is START
stop FE1    -> BE state is STOP

play FE1    -> BE state is START
play FE2    -> BE state is START (no change)
pause FE1   -> BE state is START (no change)
pause FE2   -> BE state is PAUSED
release FE1 -> BE state is START
release FE2 -> BE state is START (no change)
stop FE1    -> BE state is START (no change)
stop FE2    -> BE state is STOP

The existing code for PAUSE_RELEASE only allows for the case where the
BE is paused, which clearly would not work in the sequences above.

Extend the allowed states to restart the BE when PAUSE_RELEASE is
received, and increase the refcount if the BE is already in START.

[1] the existing logic does not move the BE state back to PAUSED when
the FE2 is stopped. This patch does not change the logic; it would be
painful to keep a history of changes on the FE side, the state machine
is already rather complicated with transitions based on the last BE
state and the trigger type.

Reported-by: Bard Liao <bard.liao@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207173745.15850-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:48 +00:00
Pierre-Louis Bossart
848aedfdc6
ASoC: soc-pcm: test refcount before triggering
On start/pause_release/resume, when more than one FE is connected to
the same BE, it's possible that the trigger is sent more than
once. This is not desirable, we only want to trigger a BE once, which
is straightforward to implement with a refcount.

For stop/pause/suspend, the problem is more complicated: the check
implemented in snd_soc_dpcm_can_be_free_stop() may fail due to a
conceptual deadlock when we trigger the BE before the FE. In this
case, the FE states have not yet changed, so there are corner cases
where the TRIGGER_STOP is never sent - the dual case of start where
multiple triggers might be sent.

This patch suggests an unconditional trigger in all cases, without
checking the FE states, using a refcount protected by the BE PCM
stream lock.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207173745.15850-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:47 +00:00
Takashi Iwai
b2ae806630
ASoC: soc-pcm: serialize BE triggers
When more than one FE is connected to a BE, e.g. in a mixing use case,
the BE can be triggered multiple times when the FE are opened/started
concurrently. This race condition is problematic in the case of
SoundWire BE dailinks, and this is not desirable in a general
case.

This patch relies on the existing BE PCM lock, which takes atomicity into
account. The locking model assumes that all interactions start with
the FE, so that there is no deadlock between FE and BE locks.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
[test, checkpatch fix and clarification of commit message by plbossart]
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207173745.15850-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:46 +00:00
Takashi Iwai
b7898396f4
ASoC: soc-pcm: Fix and cleanup DPCM locking
The existing locking for DPCM has several issues
a) a confusing mix of card->mutex and card->pcm_mutex.
b) a dpcm_lock spinlock added inconsistently and on paths that could
be recursively taken. The use of irqsave/irqrestore was also overkill.

The suggested model is:

1) The pcm_mutex is the top-most protection of BE links in the FE. The
pcm_mutex is applied always on either the top PCM callbacks or the
external call from DAPM, not taken in the internal functions.

2) the FE stream lock is taken in higher levels before invoking
dpcm_be_dai_trigger()

3) when adding and deleting a BE, both the pcm_mutex and FE stream
lock are taken.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
[clarification of commit message by plbossart]
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207173745.15850-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:45 +00:00
Pierre-Louis Bossart
bbf7d3b1c4
ASoC: soc-pcm: align BE 'atomicity' with that of the FE
Since the flow for DPCM is based on taking a lock for the FE first, we
need to make sure during the connection between a BE and an FE that
they both use the same 'atomicity', otherwise we may sleep in atomic
context.

If the FE is nonatomic, this patch forces the BE to be nonatomic as
well. That should have no negative impact since the BE 'inherits' the
FE properties.

However, if the FE is atomic and the BE is not, then the configuration
is flagged as invalid.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
[ removed FE stream lock by tiwai ]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207173745.15850-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:44 +00:00
Pierre-Louis Bossart
d8a9c6e1f6
ASoC: soc-pcm: use GFP_ATOMIC for dpcm structure
We allocate a structure in dpcm_be_connect(), which may be called in
atomic context. Using GFP_KERNEL is not quite right, we have to use
GFP_ATOMIC to prevent the allocator from sleeping.

Suggested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207173745.15850-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:42 +00:00
Martin Blumenstingl
ee907afb0c
ASoC: meson: aiu: Move AIU_I2S_MISC hold setting to aiu-fifo-i2s
The out-of-tree vendor driver uses the following approach to set the
AIU_I2S_MISC register:
1) write AIU_MEM_I2S_START_PTR and AIU_MEM_I2S_RD_PTR
2) configure AIU_I2S_MUTE_SWAP[15:0]
3) write AIU_MEM_I2S_END_PTR
4) set AIU_I2S_MISC[2] to 1 (documented as: "put I2S interface in hold
   mode")
5) set AIU_I2S_MISC[4] to 1 (depending on the driver revision it always
   stays at 1 while for older drivers this bit is unset in step 4)
6) set AIU_I2S_MISC[2] to 0
7) write AIU_MEM_I2S_MASKS
8) toggle AIU_MEM_I2S_CONTROL[0]
9) toggle AIU_MEM_I2S_BUF_CNTL[0]

Move setting the AIU_I2S_MISC[2] bit to aiu_fifo_i2s_hw_params() so it
resembles the flow in the vendor kernel more closely. While here also
configure AIU_I2S_MISC[4] (documented as: "force each audio data to
left or right according to the bit attached with the audio data")
similar to how the vendor driver does this. This fixes the infamous and
long-standing "machine gun noise" issue (a buffer underrun issue).

Fixes: 6ae9ca9ce986bf ("ASoC: meson: aiu: add i2s and spdif support")
Reported-by: Christian Hewitt <christianshewitt@gmail.com>
Reported-by: Geraldo Nascimento <geraldogabriel@gmail.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Tested-by: Geraldo Nascimento <geraldogabriel@gmail.com>
Acked-by: Jerome Brunet <jbrunet@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20211206210804.2512999-3-martin.blumenstingl@googlemail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:32 +00:00
Martin Blumenstingl
1bcd326631
ASoC: meson: aiu: fifo: Add missing dma_coerce_mask_and_coherent()
The FIFO registers which take an DMA-able address are only 32-bit wide
on AIU. Add dma_coerce_mask_and_coherent() to make the DMA core aware of
this limitation.

Fixes: 6ae9ca9ce986bf ("ASoC: meson: aiu: add i2s and spdif support")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20211206210804.2512999-2-martin.blumenstingl@googlemail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:29 +00:00
Martin Povišer
80d5be1a05
ASoC: tas2770: Fix setting of high sample rates
Although the codec advertises support for 176.4 and 192 ksps, without
this fix setting those sample rates fails with EINVAL at hw_params time.

Signed-off-by: Martin Povišer <povik@protonmail.com>
Link: https://lore.kernel.org/r/20211206224529.74656-1-povik@protonmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 17:15:28 +00:00
Derek Fang
8deb34a90f
ASoC: rt5682: fix the wrong jack type detected
Some powers were changed during the jack insert detection
and clk's enable/disable in CCF.
If in parallel, the influence has a chance to detect
the wrong jack type, so add a lock.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20211214105033.471-1-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 13:37:35 +00:00
Mark Brown
190357e1e0
ASoC: qcom: apq8016_sbc: Allow routing audio through QDSP6
Merge series from Stephan Gerhold <stephan@gerhold.net>:

This series makes it possible to route audio through the combined
audio/modem DSP on MSM8916/APQ8016 devices instead of bypassing it using
the LPASS drivers. This is necessary to support certain functionality such
as voice call audio. See PATCH 4/5 for details.

Also, qcom,apq8016-sbc.txt is converted to DT schema by adding it to the
existing qcom,sm8250.yaml. The bindings are similar enough that it is easier
to share a single schema instead of duplicating everything into multiple ones.
2021-12-14 13:23:05 +00:00
Jiaxin Yu
03c2192ab6
ASoC: mediatek: assign correct type to argument
Fix the following sparse warning: (new ones prefixed by >>)
>> sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c:370:33:
     sparse: sparse: incorrect type in argument 3 (different base types)
   sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c:370:33: sparse:
     expected unsigned int to
   sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c:370:33: sparse:
     got restricted snd_pcm_format_t [usertype]

Correct discription of format, use S32_LE and S24_LE to distinguish the
different 32bit.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20211209073224.21793-1-jiaxin.yu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 13:22:18 +00:00
Rikard Falkeborn
ec247fea73
ASoC: SOF: sof-probes: Constify sof_probe_compr_ops
The only usage of sof_probe_compr_ops is to assign its address to the
cops field in the snd_soc_dai_driver struct (in
sound/soc/sof/intel/hda-dai.c). Make it const to allow the compiler to
put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20211204203220.54712-1-rikard.falkeborn@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 13:22:16 +00:00
Allen-KH Cheng
475b17b4a8
ASoC: SOF: Remove pm_runtime_put_autosuspend() for SOF OF device
In SOF OF device, pm_runtime_put_autosuspend() is not
matching any pm_runtime_get_sync().

This is imbalanced for PM runtime.

Also, for consistency we call pm_runtime_mark_last_busy()
before enabling PM runtime.

1. Remove pm_runtime_put_autosuspend() in probe_complete
2. Reorder PM runtime calls int probe_complete

Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Paul Olaru <paul.olaru@oss.nxp.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20211209200830.145005-1-daniel.baluta@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-14 13:22:16 +00:00
Bradley Scott
aa72394667 ALSA: hda/realtek: Add new alc285-hp-amp-init model
Adds a new "alc285-hp-amp-init" model that can be used to apply the ALC285
HP speaker amplifier initialization fixup to devices that are not already
known by passing "hda_model=alc285-hp-amp-init" to the
snd-sof-intel-hda-common module or "model=alc285-hp-amp-init" to the
snd-hda-intel module, depending on which is being used.

Signed-off-by: Bradley Scott <bscott@teksavvy.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211213162246.506838-1-bscott@teksavvy.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-14 10:44:26 +01:00
Bradley Scott
d296a74b7b ALSA: hda/realtek: Amp init fixup for HP ZBook 15 G6
HP ZBook 15 G6 (SSID 103c:860f) needs the same speaker amplifier
initialization as used on several other HP laptops using ALC285.

Signed-off-by: Bradley Scott <Bradley.Scott@zebra.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211213154938.503201-1-Bradley.Scott@zebra.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-14 10:44:00 +01:00
Stephan Gerhold
a78a42fb48
ASoC: qcom: apq8016_sbc: Allow routing audio through QDSP6
The apq8016-sbc-sndcard is designed to be used with the LPASS drivers
(bypassing the combined audio/modem DSP in MSM8916/APQ8016).
Make it possible to use QDSP6 audio instead for the msm8916-qdsp6-sndcard.

This only requires adding some additional hooks that set up the DPCM
backends correctly. Similar code is already used in drivers for newer
SoCs such as apq8096.c, sdm845.c and sm8250.c.

A slightly different initialization sequence is used for the apq8016-sbc
and msm8916-qdsp6 sound card by defining the apq8016_sbc_add_ops()
function as device match data.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211202145505.58852-6-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 22:44:02 +00:00
Pierre-Louis Bossart
290a7c5509
ASoC: SOF: Intel: add comment on JasperLake support
Explain why JasperLake is exposed in cnl.c instead of icl.c
No functionality change.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:54 +00:00
Pierre-Louis Bossart
924631df41
ASoC: SOF: Intel: hda-dai: remove unused fields
The existing code does not use the 'host_dma_id', 'link_dma_id',
'host_bps' fields remove them.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:53 +00:00
Pierre-Louis Bossart
288fad2f71
ASoC: SOF: Intel: hda: add quirks for HDAudio DMA position information
The code inherited from the Skylake driver does not seem to follow any
known hardware recommendations.

The only two recommended options are
a) use DPIB registers if VC1 traffic is not allowed
b) use DPIB DDR update if VC1 traffic is used

In all of SOF-based updated, VC1 is not supported so we can 'safely'
move to using DPIB registers only.

This patch keeps the legacy code, in case there was an undocumented
issue lost to history, and adds the DPIB DDR update for additional
debug.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:51 +00:00
Pierre-Louis Bossart
ae81d8fd57
ASoC: SOF: hda-stream: only enable DPIB if needed
The existing code is inconsistent, we should only enable DPIB if the
'use_posbuf' field is true.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:48 +00:00
Pierre-Louis Bossart
12ce213821
ASoC: SOF: Intel: hda-ctrl: apply symmetry for DPIB
we use 'bus->use_posbuf && bus->posbuf.addr' in
hda_dsp_ctrl_init_chip(), use the same for hda_dsp_ctrl_stop_chip()

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:47 +00:00
Pierre-Louis Bossart
a792bfc1c2
ASoC: SOF: Intel: hda-stream: limit PROCEN workaround
The work-around enabled in hda-stream.c is only required on earlier
versions of SOCs/PCH (Skylake, KabyLake, ApolloLake,
GeminiLake). Before setting the format on the host DMA, it is required
to couple the host and link DMA - which as a consequence shall use the
same format.

This patch introduces a quirk field in the platform descriptor and
makes the work-around conditional. Newer platforms have
no limitations on the use of host and link DMA, which can use
different formats.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:45 +00:00
Ranjani Sridharan
c697ef868f
ASoC: SOF: Intel: ICL: move ICL-specific ops to icl.c
Move the ICL specific ops to icl.c. Also introduce a
macro ICL_DSP_HPRO_CORE_ID to define the core that
should be powered up when HPRO is enabled.

Reviewed-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211207193947.71080-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:32:44 +00:00
Dmitry Osipenko
db635ba4fa
ASoC: tegra: Restore headphones jack name on Nyan Big
UCM of Acer Chromebook (Nyan) uses a different name for the headphones
jack. The name was changed during unification of the machine drivers and
UCM fails now to load because of that. Restore the old jack name.

Cc: <stable@vger.kernel.org>
Fixes: cc8f70f ("ASoC: tegra: Unify ASoC machine drivers")
Reported-by: Thomas Graichen <thomas.graichen@gmail.com> # T124 Nyan Big
Tested-by: Thomas Graichen <thomas.graichen@gmail.com> # T124 Nyan Big
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211211231146.6137-2-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:23:33 +00:00
Dmitry Osipenko
d341b427c3
ASoC: tegra: Add DAPM switches for headphones and mic jack
UCM of Acer Chromebook (Nyan) uses DAPM switches of headphones and mic
jack. These switches were lost by accident during unification of the
machine drivers, restore them.

Cc: <stable@vger.kernel.org>
Fixes: cc8f70f ("ASoC: tegra: Unify ASoC machine drivers")
Reported-by: Thomas Graichen <thomas.graichen@gmail.com> # T124 Nyan Big
Tested-by: Thomas Graichen <thomas.graichen@gmail.com> # T124 Nyan Big
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211211231146.6137-1-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-13 19:23:31 +00:00
Takashi Iwai
dec242b6a8 ALSA: gus: Fix memory leaks at memory allocator error paths
When snd_gf1_mem_xalloc() returns NULL, the current code still leaves
the formerly allocated block.name string but returns an error
immediately.  This patch does code-refactoring to move the kstrdup()
call itself into snd_gf1_mem_xalloc() and deals with the resource free
in the helper code by itself for fixing those memory leaks.

Suggested-by: Jaroslav Kysela <perex@perex.cz>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20211213132444.22385-2-tiwai@suse.de
Link: https://lore.kernel.org/r/20211213141512.27359-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-13 16:41:12 +01:00
Takashi Iwai
c2f5141540 ALSA: gus: Fix erroneous memory allocation
snd_gf1_mem_xalloc() returns NULL incorrectly when the memory chunk is
allocated in the middle of the chain.  This patch corrects the return
value to treat it properly.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20211213132444.22385-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-13 15:07:14 +01:00
Xiaoke Wang
78977fd5b1 ALSA: sound/isa/gus: check the return value of kstrdup()
kstrdup() returns NULL when some internal memory errors happen, it is
better to check the return value of it. Otherwise, we may not to be able
to catch some memory errors in time.

Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_1E3950293AC22395ACFE99404C985D738309@qq.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-13 13:57:15 +01:00
Xiaoke Wang
c01c1db1dc ALSA: jack: Check the return value of kstrdup()
kstrdup() can return NULL, it is better to check the return value of it.

Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/tencent_094816F3522E0DC704056C789352EBBF0606@qq.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-13 10:38:27 +01:00
Colin Ian King
2dee54b289 ALSA: drivers: opl3: Fix incorrect use of vp->state
Static analysis with scan-build has found an assignment to vp2 that is
never used. It seems that the check on vp->state > 0 should be actually
on vp2->state instead. Fix this.

This dates back to 2002, I found the offending commit from the git
history git://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git,
commit 91e39521bbf6 ("[PATCH] ALSA patch for 2.5.4")

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211212172025.470367-1-colin.i.king@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-13 10:36:17 +01:00
Jason Wang
808709d767 ALSA: sparc: no need to initialise statics to 0
Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initializations.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20211212070422.281924-1-wangborong@cdjrlc.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-12 10:01:04 +01:00
Linus Torvalds
5b46fb0383 sound fixes for 5.16-rc5
Another collection of small fixes.  It's still not quite calm yet,
 but nothing looks scary.
 
 ALSA core got a few fixes for covering the issues detected by fuzzer
 and the 32bit compat problem of control API, while the rest are all
 device-specific small fixes, including the continued fixes for Tegra.
 -----BEGIN PGP SIGNATURE-----
 
 iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmGyKGsOHHRpd2FpQHN1
 c2UuZGUACgkQLtJE4w1nLE+56w/+ME2YljtbD2RhYzJs2X8ARvusOO3mX1Zjr/36
 +7wBRi8WwRVH3jn59CnhgCDXSxTaM8GYbFje8kAyYv0Ib+f9bAvao7pgFAPFEd//
 ZRZBQ0bCF18Pp4oNqbR/F6K2XyLyzQeRQPWl2z0oZq4zuWXtK59pQnXbEYV/UGx8
 MMciRA4aj7qYaaQj4juBNKuxgixAyCatcOJh6t5O4dy2N9naQi0TShMF49ca8uRR
 nSOq1YeEBpIOd4DVto4P6sQ7tpyfffj4qPhXGvemYnhBfwMhUVJyWxFjXXGJY2rT
 KrFtuOHlS7NlScvT36GowbQdB5wgXJ7eLJg/JXVi3HBCrV4zHlp7Jn/Nbr62SYIu
 h5gkgNN04Hjgel5lTvsJPiirxfxWpbVeF84HOrkrx6teOsGWZtW10Zms0YkovKmg
 hR23YRNbX4qko6evBvg4lRlSlbTznOvzHKY323joebjSYp4kSJyNdqc+8fgVpK3E
 Fx9DJmBSyGp/n2gkKZEhDVSgcWZyGvPkFqondCjwxqWV+jvJWSnScTjUyMeOfUCt
 lFV4tlIMQ58t5u6BRaMGTenTxQ6Dqf5nOR1hwK5EPR5RQwu3chFfYDsm0C9ZKfsG
 mCMe3BTvdl3W2nShwIH11B/ukieqAVZ7uugSFAarYamDfupPcwO69lPIeFAEuzjw
 N+us0rg=
 =g4gf
 -----END PGP SIGNATURE-----

Merge tag 'sound-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Another collection of small fixes. It's still not quite calm yet, but
  nothing looks scary.

  ALSA core got a few fixes for covering the issues detected by fuzzer
  and the 32bit compat problem of control API, while the rest are all
  device-specific small fixes, including the continued fixes for Tegra"

* tag 'sound-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits)
  ALSA: hda/realtek - Add headset Mic support for Lenovo ALC897 platform
  ALSA: usb-audio: Reorder snd_djm_devices[] entries
  ALSA: hda/realtek: Fix quirk for TongFang PHxTxX1
  ALSA: ctl: Fix copy of updated id with element read/write
  ALSA: pcm: oss: Handle missing errors in snd_pcm_oss_change_params*()
  ALSA: pcm: oss: Limit the period size to 16MB
  ALSA: pcm: oss: Fix negative period/buffer sizes
  ASoC: codecs: wsa881x: fix return values from kcontrol put
  ASoC: codecs: wcd934x: return correct value from mixer put
  ASoC: codecs: wcd934x: handle channel mappping list correctly
  ASoC: qdsp6: q6routing: Fix return value from msm_routing_put_audio_mixer
  ASoC: SOF: Intel: Retry codec probing if it fails
  ASoC: amd: fix uninitialized variable in snd_acp6x_probe()
  ASoC: rockchip: i2s_tdm: Dup static DAI template
  ASoC: rt5682s: Fix crash due to out of scope stack vars
  ASoC: rt5682: Fix crash due to out of scope stack vars
  ASoC: tegra: Use normal system sleep for ADX
  ASoC: tegra: Use normal system sleep for AMX
  ASoC: tegra: Use normal system sleep for Mixer
  ASoC: tegra: Use normal system sleep for MVC
  ...
2021-12-10 11:43:00 -08:00
Ameer Hamza
befe304536
ASoC: test-component: fix null pointer dereference.
Dereferncing of_id pointer will result in exception in current
implementation since of_match_device() will assign it to NULL.
Adding NULL check for protection.

Signed-off-by: Ameer Hamza <amhamza.mgc@gmail.com>
Link: https://lore.kernel.org/r/20211207142309.222820-1-amhamza.mgc@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-09 12:31:50 +00:00
Mark Brown
62df22396b
ASoC: amd: Convert to new style DAI format definitions
Convert the AMD machine drivers to use the new style defines for clocking
in DAI formats.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210915180957.39996-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-08 16:47:31 +00:00
Dan Carpenter
9abc21c966
ASoC: mediatek: mt8195: silence uninitialized variable warning
Smatch complains that we might hit the continue path on every iteration
through the loop.

    sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c:831
      mt8195_mt6359_rt1019_rt5682_card_late_probe()
    error: uninitialized symbol 'sof_comp'.

Initialize "sof_comp" to NULL to silence this warning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211208151145.GA29257@kili
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-08 15:31:29 +00:00
Pierre-Louis Bossart
d9b994cd76
ASoC: AMD: acp-config: fix missing dependency on SND_SOC_ACPI
With a custom .config, the following error is thrown:

ERROR: modpost: "snd_soc_acpi_codec_list"
[sound/soc/amd/snd-acp-config.ko] undefined!

Fix by adding a clear dependency on SND_SOC_ACPI

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211207192309.43883-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-08 13:59:26 +00:00
Yong Zhi
77659872be
ASoC: Intel: sof_rt5682: Move rt1015 speaker amp to common file
Move rt1015 driver code to common file to be consistent with
rt1011 and rt1015p.

No functional change.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211207192458.44007-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-08 13:07:59 +00:00
Shuming Fan
7cfa3d0073
ASoC: rt5682s: add delay time to fix pop sound issue
There is a pop noise at the beginning of the capture data.
This patch adds the delay time before stereo1 ADC unmute to fix the pop sound issue.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20211208101718.28945-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-08 13:07:58 +00:00
Pierre-Louis Bossart
639cd58be7
ASoC: Intel: boards: add 'static' qualifiers for max98390 routes
Sparse warnings:

sound/soc/intel/boards/sof_maxim_common.c:140:33: error: symbol
'max_98390_dapm_routes' was not declared. Should it be static?

sound/soc/intel/boards/sof_maxim_common.c:156:33: error: symbol
'max_98390_tt_dapm_routes' was not declared. Should it be static?

Fixes: f316c9d9ba8ea ('ASoC: Intel: boards: add max98390 2/4 speakers support')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211207211700.115319-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-08 13:07:57 +00:00
Takashi Iwai
6fadb494a6 ALSA: seq: Set upper limit of processed events
Currently ALSA sequencer core tries to process the queued events as
much as possible when they become dispatchable.  If applications try
to queue too massive events to be processed at the very same timing,
the sequencer core would still try to process such all events, either
in the interrupt context or via some notifier; in either away, it
might be a cause of RCU stall or such problems.

As a potential workaround for those problems, this patch adds the
upper limit of the amount of events to be processed.  The remaining
events are processed in the next batch, so they won't be lost.

For the time being, it's limited up to 1000 events per queue, which
should be high enough for any normal usages.

Reported-by: Zqiang <qiang.zhang1211@gmail.com>
Reported-by: syzbot+bb950e68b400ab4f65f8@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20211102033222.3849-1-qiang.zhang1211@gmail.com
Link: https://lore.kernel.org/r/20211207165146.2888-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-07 17:52:28 +01:00
Takashi Iwai
403c521003 ALSA: mixart: Add sanity check for timer notify streams
The miXart timer notification is a variable length, and if a hardware
is screwed up, we may access over the actual data size.  Let's add a
sanity check and bail out if an invalid value is received.

Link: https://lore.kernel.org/r/20211207153323.27098-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-12-07 16:35:58 +01:00