20539 Commits

Author SHA1 Message Date
Kailang Yang
eaa8e5ef18 ALSA: hda/realtek - Supported HP mute Led for ALC286
New HP machine supported output mute led and input mute led.
ALC286:
GPIO1 to control output mute led.
GPIO5 to control input mute led.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-21 10:56:52 +01:00
Takashi Iwai
5aeee3424f ALSA: usb-audio: Refactor ignore_ctl_error checks
Introduce an internal helper macro for avoiding many open codes.

The only slight behavior change is in a couple of get ballcks where
the value is reset at error no matter whether ignore_ctl_error is set
or not.  Actually this is even safer than before.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-20 21:46:32 +01:00
Takashi Iwai
a69862d8d0 Merge branch 'for-linus' into test/usb-resume 2014-11-20 21:46:04 +01:00
Takashi Iwai
01cb156edb ALSA: usb-audio: Use snd_usb_ctl_msg() for Native Instruments quirk
snd_nativeinstruments_control_get() uses a stack as a buffer for
usb_control_msg(), but it's basically not allowed.  Replace the call
with a safer helper, snd_usb_ctl_msg(), instead.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-20 21:44:49 +01:00
Takashi Iwai
0f32fd1900 ALSA: hda/realtek - Clean up mute/mic GPIO LED handling
There are a few duplicated codes handling the mute and mic-mute LEDs
via GPIO pins.  Let's consolidate to single helpers.  Here we
introduced two new fields to alc_spec, gpio_mute_led_mask and
gpio_mic_led_mask, to contain the bit mask to set/clear.  Also,
mute_led_polarity is evaluated as well.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-20 11:02:18 +01:00
Lars-Peter Clausen
a3a1ec66d6 ASoC: adau1701: Implement sigmadsp safeload
The safeload feature allows to load up to 5 parameter memory registers
atomically. This is helpful for switching between e.g. filter settings
without causing any glitches.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-20 09:55:35 +00:00
Lars-Peter Clausen
a35daac77a ASoC: sigmadsp: Add support for fw v2
This patch adds support for the v2 version of the SigmaDSP firmware file
format. The new format has support for having different program and
parameter settings for different samplerates. In addition it stores metadata
describing the firmware. This metadata includes the set of supported
samplerates which will be used to restrict the samplerates that can be
selected by userspace. Also included is information about the modifiable
parameters. Those will be exposed as ALSA controls so they can be changed at
runtime.

The new format is based on a binary type-length-value structure that makes
it both forward and backwards compatible.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-20 09:55:34 +00:00
Lars-Peter Clausen
d48b088e3e ASoC: sigmadsp: Restructure in preparation for fw v2 support
The v2 file format of the SigmaDSP takes a more declarative style compared
to the imperative style of the v1 format. In addition some features that are
supported with v2 require the driver to keep state around for the firmware.
This requires a bit of restructuring of both the firmware loader itself and
the drivers making use of the firmware loader.

Instead of loading and executing the firmware in place when the DSP is
configured the firmware is now loaded at driver probe time. This is required
since the new firmware format will in addition to the firmware data itself
contain meta information describing the firmware and its requirements and
capabilities. Those will for example be used to restrict the supported
samplerates advertised by the driver to userspace to the list of samplerates
supported for the firmware.

This only does the restructuring required by the v2 format, but does not
yet add support for the new format itself.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-20 09:55:34 +00:00
Lars-Peter Clausen
6b25730f68 ASoC: sigmadsp: Drop support support SIGMA_ACTION_DELAY
The official firmware generation tool never emitted any SIGMA_ACTION_DELAY
instructions. Keeping support for it with the new restructured loader that
also supports v2 will be difficult, so drop support for it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-20 09:55:33 +00:00
Lars-Peter Clausen
50c0f21b42 ASoC: sigmadsp: Refuse to load firmware files with a non-supported version
Make sure to check the version field of the firmware header to make sure to
not accidentally try to parse a firmware file with a different layout.
Trying to do so can result in loading invalid firmware code to the device.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2014-11-20 09:55:29 +00:00
Subhransu S. Prusty
996cc8494d ASoC: Intel: add BYTCR machine driver with RT5640
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 17:49:44 +00:00
Vinod Koul
92a6e2a227 ASoC: Intel: cleanup runtime_pm initialization
For ACPI we missed to pm_runtime_enable() call which is required to tell PM
core that runtime on this device is enabled now. Since this is common to
both PCI and APCI move it out. Also for ACPI we do not require
pm_runtime_allow() call, so remove that

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:56:46 +00:00
Lars-Peter Clausen
17bb577328 ASoC: ad1980: Remove ac97_read/ac97_write wrappers
Since the regmap conversion ac97_read/ac97_write are just simple wrappers
around snd_soc_read/snd_soc_write. Use those instead directly and remove the
wrappers.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:49:18 +00:00
Lars-Peter Clausen
82d1463641 ASoC: ad1980: Convert to regmap
This patch converts the ad1980 driver to use regmap for its IO.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:49:18 +00:00
Mark Brown
e975cec295 Merge branch 'topic/regmap' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-ac97 2014-11-19 10:48:20 +00:00
Lars-Peter Clausen
20feb88198 ASoC: Add helper functions for deferred regmap setup
Some drivers (most notably the AC'97 drivers) do not have access to their
regmap struct when the component/codec is registered. For those drivers the
automatic regmap setup will not work and needs to be done manually,
typically from the component/CODEC drivers probe callback.

This patch adds a set of helper function to handle deferred regmap
initialization as well as early regmap tear-down.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:46:03 +00:00
Oder Chiou
683996cb22 ASoC: rt5677: Set the slow charge of the vref in the end of the power sequences
Set the slow charge of the vref in the end of the power sequences

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:18:05 +00:00
Oder Chiou
35d40d10e9 ASoC: rt5677: Follow the gpio naming rule to rename the irq function
Follow the gpio naming rule to rename the irq function.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:18:05 +00:00
Oder Chiou
2dfe2b08d2 ASoC: rt5677: Align the reg_default table with tab character
Align the reg_default table with tab character

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-19 10:18:05 +00:00
Charles Keepax
00e4c3b6e2 ASoC: wm_adsp: Move core_ena to be co-located with start bit
Many firmwares do not wait for the start bit before they begin
processing audio, whilst this is a bug on the firmware side there are
too many such firmwares in the wild to ignore the situation. This patch
moves the core enable to happen at same time as the start, the firmware
looses the ability to overlap its own startup with the audio path bring
up but we ensure that all firmwares behave.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 17:27:02 +00:00
Takashi Sakamoto
5f217f905b ALSA: firewire-lib: fix kerneldoc errors
Complete missing parameters, correct wrong reference, and add an explaination
about the differences between the latest specification and our implementation.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-18 18:10:23 +01:00
JS Park
d6d521799f ASoC: wm_adsp: Fix memory leak in wm_adsp_setup_algs
Signed-off-by: JS Park <aitdark.park@samsung.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 16:21:15 +00:00
Sudip Mukherjee
a5a267cf9c ASoC: rt286: build warning of section mismatch
while building we were getting the following build warning:

Section mismatch in reference from the function rt286_i2c_probe()
to the variable .init.data:force_combo_jack_table
The function rt286_i2c_probe() references
the variable __initdata force_combo_jack_table.
This is often because rt286_i2c_probe lacks a __initdata
annotation or the annotation of force_combo_jack_table is wrong.

we were getting the warning as force_combo_jack_table was marked
with __initdata

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:40:18 +00:00
Lars-Peter Clausen
358a8bb562 ASoC: ac97: Push snd_ac97 pointer to the driver level
Now that the ASoC core no longer needs a handle to the AC'97 device that is
associated with a CODEC we can remove it from the snd_soc_codec struct and
push it into the individual driver state structs like we do for other
communication buses. Doing so creates a clean separation between the AC'97
bus support and the ASoC core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:38:03 +00:00
Lars-Peter Clausen
bc26321404 ASoC: Rename snd_soc_dai_driver struct ac97_control field to bus_control
Setting the ac97_control field on a CPU DAI tells the ASoC core that this
DAI in addition to audio data also transports control data to the CODEC.
This causes the core to suspend the DAI after the CODEC and resume it before
the CODEC so communication to the CODEC is still possible. This is not
necessarily something that is specific to AC'97 and can be used by other
buses with the same requirement. This patch renames the flag from
ac97_control to bus_control to make this explicit.

While we are at it also change the type from int to bool.

The following semantich patch was used for automatic conversion of the
drivers:
// <smpl>
@@
identifier drv;
@@
struct snd_soc_dai_driver drv = {
-	.ac97_control
+	.bus_control
	=
-	1
+	true
};
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:38:03 +00:00
Lars-Peter Clausen
4bafcf074a ASoC: Drop ac97_control initialization from CODEC driver DAIs
This is no longer necessary as there is no code anymore that uses this for
CODEC DAIs.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:59 +00:00
Lars-Peter Clausen
6794f709b7 ASoC: ac97: Drop delayed device registration
We have all the information and dependencies we need to initialize and
register the device available in snd_soc_new_ac97_codec(). So there is no
need to delay the device registration until after the card itself as been
registered.

This makes the code significantly simpler and also makes it possible to use
the AC'97 device in the CODECs probe function. The later will be required to
be able to convert the AC'97 CODEC drivers to regmap.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:58 +00:00
Lars-Peter Clausen
ca005f324e ASoC: ac97: Drop support for setting platform data via the CPU DAI
This has no users since commit f0fba2ad1b6b ("ASoC: multi-component - ASoC
Multi-Component Support") which was almost 5 years ago. Given that this runs
after CODEC probe functions have been run it also doesn't seem to be that
useful.

So drop it altogether to make the code simpler.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:58 +00:00
Lars-Peter Clausen
bdfd60e3c0 ASoC: ac97: Merge soc_ac97_dev_{un,}register()/soc_{un,}register_ac97_codec()
soc_{un,}register_ac97_codec() is just a simple wrapper around
soc_ac97_dev_{un,}register(). There is no need to split these up into two
different sets of functions.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:57 +00:00
Lars-Peter Clausen
eda1a701fd ASoC: ac97: Use static ac97_bus
We always pass soc_ac97_ops to snd_soc_new_ac97_codec(). So instead of
allocating a snd_ac97_bus in snd_soc_new_ac97_codec() just use a static one
that gets initialized when snd_soc_set_ac97_ops() is called.

Also drop the device number parameter from snd_soc_new_ac97_codec(). We
currently only support one device per bus and all drivers pass 0 for the
device number. And if we should ever support multiple devices per bus it
wouldn't be up to individual AC'97 device drivers to pick their number, but
rather either the AC'97 adapter driver or the core code will assign them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:37:46 +00:00
Lars-Peter Clausen
336b8423e2 ASoC: Move AC'97 support to its own file
Currently the AC'97 support is splattered all throughout soc-core.c. Some
parts are #ifdef'd some parts are not. This patch moves the AC'97 support to
its own file, this should make the code a bit more clearer and also makes it
possible to easily not compile it into the kernel when not needed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:26:06 +00:00
Lars-Peter Clausen
70f3af3ca1 ASoC: Properly handle AC'97 device lifetime management
The memory that a struct device is contained in must not be freed except
from within the device's release callback. The ASoC code currently does not
adhere to this rule for the AC'97 device. This patch fixes it by moving the
freeing of the AC'97 to the release callback and splitting up the
registration and unregistration of the device into separate steps for
getting/putting the reference to the device and adding/removing it to the
device hierarchy.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:26:05 +00:00
Lars-Peter Clausen
65c72efd1e ASoC: mpc5200_dma: Don't overwrite ac97 device private_data
The mpc5200_dma overwrites the private_data field of the CODEC's AC'97
device with the DMA drivers private data, but never actually reads it again.
Given that the private_data field is supposed to be owned by the AC'97
driver, overwriting it may cause undefined behavior. This patch removes the
code that overwrites the field from the driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:26:05 +00:00
Lars-Peter Clausen
35480e3536 ASoC: mpc5200_psc_ac97: Remove unused on-stack snd_ac97 device
The mpc5200_psc_ac97 driver puts a snd_ac97 device on the stack in the
driver probe function, initializes the private data member of the device and
the never uses the device again. It should be safe to remove it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:26:05 +00:00
Mark Brown
92eb0d5465 Merge branches 'topic/ad1980', 'topic/wm9705' and 'topic/wm971x' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-ac97 2014-11-18 15:25:56 +00:00
Masanari Iida
bb29a93b38 ASoC: jack: Fix warning while make htmldocs caused by soc-jack.c
This patch fix following errors while "make htmldocs" on
linux-next-20141110.

Warning(.//sound/soc/soc-jack.c:126): No description found for
parameter 'zones'
Warning(.//sound/soc/soc-jack.c:126): Excess function parameter
'zone' description in 'snd_soc_jack_add_zones'

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:01:31 +00:00
Hui Wang
6676f3081f ALSA: hda - fix the mic mute led problem for Latitude E5550
The microphone mute led on the Latitude E5550 can't work. We need to
apply DELL_WMI_MIC_MUTE_LED quirk to this machine.

The machine uses alc293 codec and already applied the quirk
ALC293_FIXUP_DELL1_MIC_NO_PRESENCE through pin_fixup_tbl[].

Here we just let DELL_WMI_MIC_MUTE_LED be chained to
ALC269_FIXUP_HEADSET_MODE, then the machine will have these
quirks ALC293_FIXUP_DELL1_MIC_NO_PRESENCE-->
ALC269_FIXUP_HEADSET_MODE-->ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED.

BugLink: https://bugs.launchpad.net/bugs/1381856
Reported-and-tested-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-18 11:06:03 +01:00
Hui Wang
4a83d42ae2 ALSA: hda - move DELL_WMI_MIC_MUTE_LED to the tail in the quirk chain
We have one more Dell machine needs DELL_WMI_MIC_MUTE_LED quirk, but
the machine uses alc293 instead of alc255. So if
DELL_WMI_MIC_MUTE_LED still chain ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
the machine can't use this quirk.

To change this situation, let the DELL_WMI_MIC_MUTE_LED to be a
standalone quirk, and let other quirks chain it.

After this change, this quirk can be chained to any existing quirks,
and as a result, it is possible that this quirk is applied to
a non-Dell machine or a Dell machine without mic mute led on it, but
it is still safe since alc_fixup_dell_wmi() will return an error in
these situations.

And remove the quirk for machine with subsystem id 0x6010 and 0x601f,
these two machines will fall back to the quirk
ALC255_FIXUP_DELL1_MIC_NO_PRESENCE-->ALC255_FIXUP_HEADSET_MODE-->
ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED through pin_fixup_tbl[].

BugLink: https://bugs.launchpad.net/bugs/1381856
Reported-and-tested-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-18 11:05:45 +01:00
Markus Elfring
bb66f2dc19 ASoC: omap-mcbsp: Deletion of an unnecessary check before the function call "kfree"
The kfree() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-17 23:52:34 +00:00
Fabio Estevam
7e35ac8159 ASoC: fsl_ssi: Remove comment about SSI running only in slave mode
Current driver can also run in I2S master mode, so remove the old comment.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-17 23:30:21 +00:00
Oder Chiou
86ae04b174 ASoC: rt5677: Modify the default value of the MX-8E[4] for ASRC function
Modify the default value of the MX-8E[4] to 1 for ASRC function. It could
prevent the pop noise with ASRC function.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-17 23:29:31 +00:00
Takashi Iwai
39ae97ea4b ASoC: Fixes for v3.18
As well as the usual driver fixes there's a few other things here:
 
 One is a fix for a race in DPCM which is unfortuantely a rather large
 diffstat, this is the result of growing usage of the mainline code and
 hence more detailed testing so I'm relatively happy.
 
 The other is a fix for non-DT machine driver matching following some of
 the componentization work which is much more focused.
 
 Both have had a while to cook in -next.
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Merge tag 'asoc-v3.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.18

As well as the usual driver fixes there's a few other things here:

One is a fix for a race in DPCM which is unfortuantely a rather large
diffstat, this is the result of growing usage of the mainline code and
hence more detailed testing so I'm relatively happy.

The other is a fix for non-DT machine driver matching following some of
the componentization work which is much more focused.

Both have had a while to cook in -next.
2014-11-17 22:16:03 +01:00
Mark Brown
cf9a7f7823 Merge remote-tracking branches 'asoc/fix/rt5670', 'asoc/fix/samsung' and 'asoc/fix/sgtl5000' into asoc-linus 2014-11-17 16:41:11 +00:00
Mark Brown
643aa2c595 Merge remote-tracking branches 'asoc/fix/adsp', 'asoc/fix/cs41l51', 'asoc/fix/dpcm', 'asoc/fix/es8328', 'asoc/fix/fsl-asrc', 'asoc/fix/max98090', 'asoc/fix/rcar', 'asoc/fix/rockchip' and 'asoc/fix/rt5645' into asoc-linus 2014-11-17 16:41:06 +00:00
Mark Brown
a9aa32c542 Merge remote-tracking branch 'asoc/fix/core' into asoc-linus 2014-11-17 16:41:05 +00:00
Mark Brown
c117b4a39b Merge branch 'fix/davinci' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-davinci 2014-11-17 16:40:27 +00:00
Krishna Mohan Dani
187024b36c ASoC: rt5631: Fixing compilation warning when DT is disabled
Fixes the following compilation warning:
Warning: 'rt5631_i2c_dt_ids' defined but not used - when DT is not used.

Signed-off-by: Claude Youn <claude.youn@gmail.com>
Signed-off-by: Krishna Mohan Dani <krishna.md@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-17 14:51:40 +00:00
Charles Keepax
9da7a5a9fd ASoC: wm_adsp: Avoid attempt to free buffers that might still be in use
We should not free any buffers associated with writing out coefficients
to the DSP until all the async writes have completed. This patch updates
the out of memory path when allocating a new buffer to include a call to
regmap_async_complete.

Reported-by: JS Park <aitdark.park@samsung.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2014-11-17 14:22:04 +00:00
Johan Rastén
a358a0ef86 ALSA: usb-audio: Set the Control Selector to SU_SELECTOR_CONTROL for UAC2
Specified in section 5.2.5.6.1 of the USB Audio Class 2.0 definition.

Solves the following error for C-Media 6632A (Asus Xonar U7):
[ 8219.676164] cannot get ctl value: req = 0x81, wValue = 0x0, wIndex = 0x1400, type = 3

Signed-off-by: Johan Rastén <johan@oljud.se>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-17 14:01:24 +01:00
Markus Elfring
1ea7a568c6 ALSA: powermac: Deletion of an unnecessary check before the function call "pci_dev_put"
The pci_dev_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-17 13:52:45 +01:00