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HDA uses a timecounter to read a hardware clock running at 24 MHz. The
conversion factor is set with a mult value of 125 and a shift value of 0,
which is not converting the hardware clock to nanoseconds, it is converting
to 1/3 nanoseconds because the conversion factor from 24Mhz to nanoseconds
is 125/3. The usage sites divide the "nanoseconds" value returned by
timecounter_read() by 3 to get a real nanoseconds value.
There is a lengthy comment in azx_timecounter_init() explaining this
choice. That comment makes blatantly wrong assumptions about how
timecounters work and what can overflow.
The comment says:
* Applying the 1/3 factor as part of the multiplication
* requires at least 20 bits for a decent precision, however
* overflows occur after about 4 hours or less, not a option.
timecounters operate on time deltas between two readouts of a clock and use
the mult/shift pair to calculate a precise nanoseconds value:
delta_nsec = (delta_clock * mult) >> shift;
The fractional part is also taken into account and preserved to prevent
accumulated rounding errors. For details see cyclecounter_cyc2ns().
The mult/shift pair has to be chosen so that the multiplication of the
maximum expected delta value does not result in a 64bit overflow. As the
counter wraps around on 32bit, the maximum observable delta between two
reads is (1 << 32) - 1 which is about 178.9 seconds.
That in turn means the maximum multiplication factor which fits into an u32
will not cause a 64bit overflow ever because it's guaranteed that:
((1 << 32) - 1) ^ 2 < (1 << 64)
The resulting correct multiplication factor is 2796202667 and the shift
value is 26, i.e. 26 bit precision. The overflow of the multiplication
would happen exactly at a clock readout delta of 6597069765 which is way
after the wrap around of the hardware clock at around 274.8 seconds which
is off from the claimed 4 hours by more than an order of magnitude.
If the counter ever wraps around the last read value then the calculation
is off by the number of wrap arounds times 178.9 seconds because the
overflow cannot be observed.
Use clocks_calc_mult_shift(), which calculates the most accurate mult/shift
pair based on the given clock frequency, and remove the bogus comment along
with the divisions at the readout sites.
Fixes: 5d890f591d15 ("ALSA: hda: support for wallclock timestamps")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/871r35kwji.ffs@tglx
Signed-off-by: Takashi Iwai <tiwai@suse.de>
For cs8409, it is required to run Jack Detect on resume.
Jack Detect on cs8409+cs42l42 requires an interrupt from
cs42l42 to be sent to cs8409 which is propogated to the driver
via an unsolicited event.
However, the hda_codec drops unsolicited events if the power_state
is not set to PMSG_ON. Which is set at the end of the resume call.
This means there is a race condition between setting power_state
to PMSG_ON and receiving the interrupt.
To solve this, we can add an API to set the power_state earlier
and call that before we start Jack Detect.
This does not cause issues, since we know inside our driver that
we are already initialized, and ready to handle the unsolicited
events.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Cc: <stable@vger.kernel.org> # v5.15+
Link: https://lore.kernel.org/r/20211128115558.71683-1-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The previous fix for more comprehensive runtime PM calls turned out to
be not good as hoped; a few calls including pm_runtime_enable() and
pm_runtime_disable() are rather utterly superfluous for PCI devices,
even triggering a kernel error message. Better to drop those calls.
Note that the problem we wanted to solve with that commit seems
irrelevant with the fix itself; the original bug (a GPF at
azx_remove()) was likely a regression by the recent PCI core cleanup,
and the buggy PCI change has been already reverted. So basically we
were scratching a wrong surface. OTOH, making the runtime PM calls
symmetric for both probe and remove is more consistent, and maybe
that's a sensible outcome.
Fixes: 4f66a9ef37d3 ("ALSA: hda: intel: More comprehensive PM runtime setup for controller driver")
Reported-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/d9d76980-966a-e031-70d1-3254ba5be5eb@gmail.com
Link: https://lore.kernel.org/r/20211119162730.24423-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The master and next_conj of rcs_ops are used for iterating the
resource list entries, and currently those are supposed to return the
current value. The problem is that next_conf may go over the last
entry before the loop abort condition is evaluated, and it may return
the "current" value that is beyond the array size. It was caught
recently as a GPF, for example.
Those return values are, however, never actually evaluated, hence
basically we don't have to consider the current value as the return at
all. By dropping those return values, the potential out-of-range
access above is also fixed automatically.
This patch changes the return type of master and next_conj callbacks
to void and drop the superfluous code accordingly.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=214985
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211118215729.26257-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The HD-audio codec driver remove may happen also at dynamically
unbinding during operation, hence it needs manual triggers of
snd_device_disconnect() calls, while it's missing for the jack objects
that are associated with the codec.
This patch adds the manual disconnection call for jacks when the
remove happens without card->shutdown (i.e. not under the full
removal).
Link: https://lore.kernel.org/r/20211117133040.20272-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
When a codec is unbound dynamically via sysfs while its stream is in
use, we may face a potential deadlock at the proc remove or a UAF.
This happens since the hda_pcm is managed by a linked list, as it
handles the hda_pcm object release via kref.
When a PCM is opened at the unbinding time, the release of hda_pcm
gets delayed and it ends up with the close of the PCM stream releasing
the associated hda_pcm object of its own. The hda_pcm destructor
contains the PCM device release that includes the removal of procfs
entries. And, this removal has the sync of the close of all in-use
files -- which would never finish because it's called from the PCM
file descriptor itself, i.e. it's trying to shoot its foot.
For addressing the deadlock above, this patch changes the way to
manage and release the hda_pcm object. The kref of hda_pcm is
dropped, and instead a simple refcount is introduced in hda_codec for
keeping the track of the active PCM streams, and at each PCM open and
close, this refcount is adjusted accordingly. At unbinding, the
driver calls snd_device_disconnect() for each PCM stream, then
synchronizes with the refcount finish, and finally releases the object
resources.
Fixes: bbbc7e8502c9 ("ALSA: hda - Allocate hda_pcm objects dynamically")
Link: https://lore.kernel.org/r/20211116072459.18930-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
snd_ctl_remove() has to be called with card->controls_rwsem held (when
called after the card instantiation). This patch add the missing
rwsem calls around it.
Fixes: d13bd412dce2 ("ALSA: hda - Manage kcontrol lists")
Link: https://lore.kernel.org/r/20211116071314.15065-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Currently we haven't explicitly enable and allow/forbid the runtime PM
at the probe and the remove phases of HD-audio controller driver, and
this was the reason of a GPF mentioned in the commit e81478bbe7a1
("ALSA: hda: fix general protection fault in azx_runtime_idle");
namely, even after the resources are released, the runtime PM might be
still invoked by the bound graphics driver during the remove of the
controller driver. Although we've fixed it by clearing the drvdata
reference, it'd be also better to cover the runtime PM issue more
properly.
This patch adds a few more pm_runtime_*() calls at the probe and the
remove time for setting and cleaning up the runtime PM. Particularly,
now more explicitly pm_runtime_enable() and _disable() get called as
well as pm_runtime_forbid() call at the remove callback, so that a
use-after-free should be avoided.
Reported-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Tested-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211110210307.1172004-1-kai.vehmanen@linux.intel.com
Link: https://lore.kernel.org/r/20211115075944.6972-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This applies a SND_PCI_QUIRK(...) to the ASRock NUC Box 1100 series. This
fixes the issue of the headphone jack not being detected unless warm
rebooted from a certain other OS.
When booting a certain other OS some coeff settings are changed that enable
the audio jack. These settings are preserved on a warm reboot and can be
easily dumped.
The relevant indexes and values where gathered by naively diff-ing and
reading a working and a non-working coeff dump.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211112110704.1022501-1-wse@tuxedocomputers.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Fix a corner case between PCI device driver remove callback and
runtime PM idle callback.
Following sequence of events can happen:
- at azx_create, context is allocated with devm_kzalloc() and
stored as pci_set_drvdata()
- user-space requests to unbind audio driver
- dd.c:__device_release_driver() calls PCI remove
- pci-driver.c:pci_device_remove() calls the audio
driver azx_remove() callback and this is completed
- pci-driver.c:pm_runtime_put_sync() leads to a call
to rpm_idle() which again calls azx_runtime_idle()
- the azx context object, as returned by dev_get_drvdata(),
is no longer valid
-> access fault in azx_runtime_idle when executing
struct snd_card *card = dev_get_drvdata(dev);
chip = card->private_data;
if (chip->disabled || hda->init_failed)
This was discovered by i915_module_load test with 5.15.0 based
linux-next tree.
Example log caught by i915_module_load test with linux-next
https://intel-gfx-ci.01.org/tree/linux-next/
<4> [264.038232] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b73f0: 0000 [#1] PREEMPT SMP NOPTI
<4> [264.038248] CPU: 0 PID: 5374 Comm: i915_module_loa Not tainted 5.15.0-next-20211109-gc8109c2ba35e-next-20211109 #1
[...]
<4> [264.038267] RIP: 0010:azx_runtime_idle+0x12/0x60 [snd_hda_intel]
[...]
<4> [264.038355] Call Trace:
<4> [264.038359] <TASK>
<4> [264.038362] __rpm_callback+0x3d/0x110
<4> [264.038371] rpm_idle+0x27f/0x380
<4> [264.038376] __pm_runtime_idle+0x3b/0x100
<4> [264.038382] pci_device_remove+0x6d/0xa0
<4> [264.038388] device_release_driver_internal+0xef/0x1e0
<4> [264.038395] unbind_store+0xeb/0x120
<4> [264.038400] kernfs_fop_write_iter+0x11a/0x1c0
Fix the issue by setting drvdata to NULL at end of azx_remove().
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211110210307.1172004-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The recent change in hda-intel driver to allow repeated probes
surfaced a problem that has been hidden until; the probe process in
the work calls azx_free() at the error path, and this skips the card
free process that eventually releases codec instances. As a result,
we get a kernel WARNING like:
snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up
------------[ cut here ]------------
WARNING: CPU: 14 PID: 186 at sound/hda/hdac_bus.c:73
....
For fixing this, we need to call snd_card_free() instead of
azx_free(). Additionally, the device drvdata has to be cleared, as
the driver binding itself is still active. Then the PM and other
driver callbacks will ignore the procedure.
Fixes: c0f1886de7e1 ("ALSA: hda: intel: Allow repeatedly probing on codec configuration errors")
Reported-and-tested-by: Scott Branden <scott.branden@broadcom.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/063e2397-7edb-5f48-7b0d-618b938d9dd8@broadcom.com
Link: https://lore.kernel.org/r/20211110194633.19098-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The mute and micmute LEDs don't work on HP EliteBook 840 G7. The same
quirk for other HP laptops can let LEDs work, so apply it.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211110144033.118451-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The recent fix for setting up the DMA buffer type on RME drivers tried
to address the non-standard memory managements and changed the DMA
buffer information to the standard snd_dma_buffer object that is
allocated at the probe time. However, I overlooked that the RME
drivers handle the buffer addresses based on 64k alignment, and the
previous conversion broke that silently.
This patch is an attempt to fix the regression. The snd_dma_buffer
objects are copied to the original data with the correction to the
aligned accesses, and those are passed to snd_pcm_set_runtime_buffer()
helpers instead. The original snd_dma_buffer objects are managed by
devres, hence they'll be released automagically.
Fixes: 0899a7a23047 ("ALSA: pci: rme: Set up buffer type properly")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211108145752.30572-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On Clevo NH77HJ, NH77HP, and their 15" variants, there is a headset
microphone input attached to 0x19 that does not have a jack detect. In
order to get it working, the pin configuration needs to be set
correctly, and a new ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE fixup is
applied. This is similar to the existing System76 quirk for ALC293, but
for ALC256.
Signed-off-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211102172104.10610-1-tcrawford@system76.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Apply the PB51ED PCI quirk to the Clevo PC70HS. Fixes audio output from
the internal speakers.
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211101162134.5336-1-tcrawford@system76.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On the 'HP Spectre x360 Convertible 14-ea0xx' the microphone mute led is
controlled by GPIO 0x04. The speaker mute LED does not seem to be
exposed by GPIO and is there not set.
[ a slight coding-style fix by tiwai ]
Fixes: c3bb2b521944 ("ALSA: hda/realtek: Quirk for HP Spectre x360 14 amp setup")
Signed-off-by: Johnathon Clark <john.clark@cantab.net>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211020131253.35894-1-john.clark@cantab.net
Signed-off-by: Takashi Iwai <tiwai@suse.de>
On m68k, compiling drivers under SND_ISA causes build errors:
../sound/core/isadma.c: In function 'snd_dma_program':
../sound/core/isadma.c:33:17: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration]
33 | flags = claim_dma_lock();
| ^~~~~~~~~~~~~~
../sound/core/isadma.c:41:9: error: implicit declaration of function 'release_dma_lock' [-Werror=implicit-function-declaration]
41 | release_dma_lock(flags);
| ^~~~~~~~~~~~~~~~
../sound/isa/sb/sb16_main.c: In function 'snd_sb16_playback_prepare':
../sound/isa/sb/sb16_main.c:253:72: error: 'DMA_AUTOINIT' undeclared (first use in this function)
253 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
| ^~~~~~~~~~~~
../sound/isa/sb/sb16_main.c:253:72: note: each undeclared identifier is reported only once for each function it appears in
../sound/isa/sb/sb16_main.c: In function 'snd_sb16_capture_prepare':
../sound/isa/sb/sb16_main.c:322:71: error: 'DMA_AUTOINIT' undeclared (first use in this function)
322 | snd_dma_program(dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
| ^~~~~~~~~~~~
and more...
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org
Cc: linux-m68k@lists.linux-m68k.org
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20211016062602.3588-1-rdunlap@infradead.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In laptop 'HP Spectre x360 Convertible 15-eb1xxx/8811' both front and
rear speakers are silent, this patch fixes that by overriding the pin
layout and by initializing the amplifier which needs a GPIO pin to be
set to 1 then 0, similar to the existing HP Spectre x360 14 model.
In order to have volume control, both front and rear speakers were
forced to use the DAC1.
This patch also correctly map the mute LED but since there is no
microphone on/off switch exposed by the alsa subsystem it never turns
on by itself.
There are still known audio issues in this laptop: headset microphone
doesn't work, the button to mute/unmute microphone is not yet mapped,
the LED of the mute/unmute speakers doesn't seems to be exposed via
GPIO and never turns on.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=213953
Signed-off-by: Davide Baldo <davide@baldo.me>
Link: https://lore.kernel.org/r/20211015072121.5287-1-davide@baldo.me
Signed-off-by: Takashi Iwai <tiwai@suse.de>
A back-merge of 5.15 branch into 5.16-devel branch for further
development of USB and ALSA core stuff that depends on 5.15 fixes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Apply existing PCI quirk to the Clevo PC50HS and related models to fix
audio output on the built in speakers.
Signed-off-by: Steven Clarkson <sc@lambdal.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211014133554.1326741-1-sc@lambdal.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
We need to define the codec pin 0x1b to be the mic, but somehow
the mic doesn't support hot plugging detection, and Windows also has
this issue, so we set it to phantom headset-mic.
Also the determine_headset_type() often returns the omtp type by a
mistake when we plug a ctia headset, this makes the mic can't record
sound at all. Because most of the headset are ctia type nowadays and
some machines have the fixed ctia type audio jack, it is possible this
machine has the fixed ctia jack too. Here we set this mic jack to
fixed ctia type, this could avoid the mic type detection mistake and
make the ctia headset work stable.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=214537
Reported-and-tested-by: msd <msd.mmq@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20211012114748.5238-1-hui.wang@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
It seems that a few recent AMD systems show the codec configuration
errors at the early boot, while loading the driver at a later stage
works magically. Although the root cause of the error isn't clear,
it's certainly not bad to allow retrying the codec probe in such a
case if that helps.
This patch adds the capability for retrying the probe upon codec probe
errors on the certain AMD platforms. The probe_work is changed to a
delayed work, and at the secondary call, it'll jump to the codec
probing.
Note that, not only adding the re-probing, this includes the behavior
changes in the codec configuration function. Namely,
snd_hda_codec_configure() won't unregister the codec at errors any
longer. Instead, its caller, azx_codec_configure() unregisters the
codecs with the probe failures *if* any codec has been successfully
configured. If all codec probe failed, it doesn't unregister but let
it re-probed -- which is the most case we're seeing and this patch
tries to improve.
Even if the driver doesn't re-probe or give up, it will go to the
"free-all" error path, hence the leftover codecs shall be disabled /
deleted in anyway.
BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1190801
Link: https://lore.kernel.org/r/20211006141940.2897-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This applies a SND_PCI_QUIRK(...) to the TongFang PHxTxX1 barebone. This
fixes the issue of the internal Microphone not working after booting
another OS.
When booting a certain another OS this barebone keeps some coeff settings
even after a cold shutdown. These coeffs prevent the microphone detection
from working in Linux, making the Laptop think that there is always an
external microphone plugged-in and therefore preventing the use of the
internal one.
The relevant indexes and values where gathered by naively diff-ing and
reading a working and a non-working coeff dump.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211006130415.538243-1-wse@tuxedocomputers.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In power save mode, the recording voice from headset mic will 2s more delay.
Add this patch will solve this issue.
[ minor coding style fix by tiwai ]
Signed-off-by: Kailang Yang <kailang@realtek.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/ccb0cdd5bbd7486eabbd8d987d384cb0@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This applies a SND_PCI_QUIRK(...) to the Clevo X170KM-G barebone. This
fixes the issue of the devices internal Speaker not working.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211001133111.428249-3-wse@tuxedocomputers.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The string "Clevo X170" is not enough to unambiguously identify the correct
device.
Fixing it so another Clevo barebone name starting with "X170" can be added
without causing confusion.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211001133111.428249-2-wse@tuxedocomputers.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The headphone mic is not working on Dell Latitude laptops with ALC3254.
The codec vendor id is 0x10ec0295 and share the same pincfg as defined
in ALC295_STANDARD_PINS. So the ALC269_FIXUP_DELL1_MIC_NO_PRESENCE will
be applied per alc269_pin_fixup_tbl[] but actually the headphone mic is
using NID 0x1b instead of 0x1a. The ALC269_FIXUP_DELL4_MIC_NO_PRESENCE
need to be applied instead.
Use ALC269_FIXUP_DELL4_MIC_NO_PRESENCE for particular models before
a generic fixup comes out.
Signed-off-by: Chris Chiu <chris.chiu@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211001062856.1037901-1-chris.chiu@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The Dell Precision 5560 laptop appears to use the 4-speakers-on-ALC289
audio just like its sibling product XPS 9510, so it requires the same
quirk to enable woofer output. Tested on my Dell Precision 5560.
Signed-off-by: John Liu <johnliu55tw@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210930115316.659-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The commit f87e7f25893d ("ALSA: hda - Improved position reporting on
SKL+") changed the PCM position report for SKL+ chips to use DPIB, but
according to Pierre, DPIB is no best choice for the accurate position
reports and it often reports too early. The recommended method is
rather the classical position buffer.
This patch makes the PCM position reporting on SKL+ back to the
position buffer again.
Fixes: f87e7f25893d ("ALSA: hda - Improved position reporting on SKL+")
Suggested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210929072934.6809-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The position reporting on Intel Skylake and later chips via
azx_get_pos_skl() contains a udelay(20) call for the capture streams.
A call for this alone doesn't sound too harmful. However, as the
pointer PCM ops is one of the hottest path in the PCM operations --
especially for the timer-scheduled operations like PulseAudio -- such
a delay hogs CPU usage significantly in the total performance.
The code there was taken from the original code in ASoC SST Skylake
driver blindly. The udelay() is a workaround for the case where the
reported position is behind the period boundary at the timing
triggered from interrupts; applications often expect that the full
data is available for the whole period when returned (and also that's
the definition of the ALSA PCM period).
OTOH, HD-audio (legacy) driver has already some workarounds for the
delayed position reporting due to its relatively large FIFO, such as
the BDL position adjustment and the delayed period-elapsed call in the
work. That said, the udelay() is almost superfluous for HD-audio
driver unlike SST, and we can drop the udelay().
Though, the current code doesn't guarantee the full period readiness
as mentioned in the above, but rather it checks the wallclock and
detects the unexpected jump. That's one missing piece, and the drop
of udelay() needs a bit more sanity checks for the delayed handling.
This patch implements those: the drop of udelay() call in
azx_get_pos_skl() and the more proper check of hwptr in
azx_position_ok(). The latter change is applied only for the case
where the stream is running in the normal mode without
no_period_wakeup flag. When no_period_wakeup is set, it essentially
ignores the period handling and rather concentrates only on the
current position; which implies that we don't need to care about the
period boundary at all.
Fixes: f87e7f25893d ("ALSA: hda - Improved position reporting on SKL+")
Reported-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210929072934.6809-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Dell's requirement to have headset mic as phantom jack on this
specific dolphin hardware platform.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210916095646.7631-1-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The following preprocessor directive is non-compliant:
#undef PCXHR_REG_TO_PORT(x)
gcc warns about extra tokens but nobody sees them as they are under if
branch which is never parsed.
Make it an #error, it is not clear to me what the author meant.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Link: https://lore.kernel.org/r/YUCCv47sm4zf9OVO@localhost.localdomain
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch initializes and enables speaker output on the Lenovo Legion 7i
15IMHG05, Yoga 7i 14ITL5/15ITL5, and 13s Gen2 series of laptops using the
HDA verb sequence specific to each model.
Speaker automute is suppressed for the Lenovo Legion 7i 15IMHG05 to avoid
breaking speaker output on resume and when devices are unplugged from its
headphone jack.
Thanks to: Andreas Holzer, Vincent Morel, sycxyc, Max Christian Pohle and
all others that helped.
[ minor coding style fixes by tiwai ]
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=208555
Signed-off-by: Cameron Berkenpas <cam@neo-zeon.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210913212627.339362-1-cam@neo-zeon.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This reverts commit 8fc8e903156f42c66245838441d03607e9067381.
It was expected that the fixes in HD-audio codec side would make the
workaround redundant, but unfortunately it doesn't seem sufficing.
Resurrect the workaround for now.
Fixes: 8fc8e903156f ("ALSA: hda: Drop workaround for a hang at shutdown again")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=214045
Link: https://lore.kernel.org/r/20210913124330.24530-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
a recent refactor created a null pointer vx in snd_vx222_probe().
The vx pointer should have been populated in snd_vx222_create() as
suggested in earlier version, otherwise vx->core.ibl.size will throw an
error.
[ 1.298398] BUG: kernel NULL pointer dereference, address: 00000000000001d8
[ 1.316799] RIP: 0010:snd_vx222_probe+0x155/0x290 [snd_vx222]
Fixes: 3bde3359aa16 ("ALSA: vx222: Allocate resources with device-managed APIs")
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Link: https://lore.kernel.org/r/20210907014746.1445278-1-ztong0001@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
It is not necessary to initialize the codec during both probe and inside
the init fixup.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210827110252.5361-2-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Type Detection should only be run after init and when the controls have been
built. There is no need to run it multiple times.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210827110252.5361-1-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Although we modified the codec shutdown callback to perform
runtime-suspend, it's still not fully effective, as this may be
resumed again at any time later.
For fixing such an unwanted resume, this patch replaces
pm_runtime_suspend() with pm_runtime_force_suspend(), and call
pm_runtime_disable() afterward. It assures to keep the device
suspended.
Also for code simplification, we apply the code unconditionally; when
it's been already suspended, nothing would happen by calls of
snd_pcm_suspend_all() and pm_runtime_force_suspend(), just proceed to
pm_runtime_disable().
Fixes: b98444ed597d ("ALSA: hda: Suspend codec at shutdown")
Reported-and-tested-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210826154752.25674-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch extends support for the HP Spectre x360 14
amp enable quirk to support a model of the device with
an additional subdevice ID.
Signed-off-by: Johnathon Clark <john.clark@cantab.net>
Link: https://lore.kernel.org/r/20210823162110.8870-1-john.clark@cantab.net
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
There are tons of quirks for HD-audio and many of them are without
model string, hence it's not trivial to apply the same quirk for a new
device. This patch makes it easier: namely, the model string accepts
a form as "XXXX:YYYY" (a pair of hex numbers of the subsystem-vendor
and subsystem-device IDs), to specify the alias of PCI (or codec)
SSID. e.g. passing model=1234:abcd would apply the quirk that matches
with the given SSID 1234:abcd instead of the actual SSID.
Link: https://lore.kernel.org/r/20210823073722.14873-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
