Commit Graph

21784 Commits

Author SHA1 Message Date
Takashi Iwai
219f47e4f9 ALSA: hda - Disable widget power-saving for ALC292 & co
We've got reports that ALC3226 (a Dell variant of ALC292) gives click
noises at transition from D3 to D0 when the widget power-saving is
enabled.  Further debugging session showed that avoiding it isn't
trivial, unfortunately, since paths are basically activated
dynamically while the pins have been already enabled.

This patch disables the widget power-saving for such codecs.

Reported-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-20 06:56:23 +02:00
Takashi Iwai
48f4b3a2ec ALSA: hda - Reduce verbs by node power-saves
The widget (node) power-saves restore the widget states at each
transition from D3 to D0 on each node.  This was added in the commit
[d545a57c5f84:ALSA: hda - Sync node attributes at resume from widget
power saving].  However, the test was rater false-positive; this
wasn't needed for any codecs.

Since the resync may take significant number of additional verbs to be
executed, it's better to reduce it.  Let's disable it for now again.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-20 06:49:37 +02:00
Arnd Bergmann
976fa9a3ac ALSA: sound/atmel/ac97c.c: remove unused variable
The recently added DT support for the ac97 driver is causing
a gcc warning:

sound/atmel/ac97c.c: In function 'atmel_ac97c_probe_dt':
sound/atmel/ac97c.c:919:29: warning: unused variable 'match' [-Wunused-variable]
  const struct of_device_id *match;

The variable is clearly unused, so we can remove it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexander Stein <alexanders83@web.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-20 06:18:25 +02:00
Takashi Iwai
fa94b0d725 ALSA: usb-audio: Add quirk for MS LifeCam Studio
Microsoft LifeCam Studio (045e:0772) needs a similar quirk for
suppressing the wrong sample rate inquiry.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98481
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-19 10:46:49 +02:00
Koro Chen
13a988396c ALSA: pcm: Modify double acknowledged interrupts check condition
Currently in snd_pcm_update_hw_ptr0 during interrupt,
we consider there were double acknowledged interrupts when:
1. HW reported pointer is smaller than expected, and
2. Time from last update time (hdelta) is over half a buffer time.

However, when HW reported pointer is only a few bytes smaller than
expected, and when hdelta is just a little larger than half a buffer time
(e.g. ping-pong buffer), it wrongly treats this IRQ as double acknowledged.

The condition #2 uses jiffies, but jiffies is not high resolution
since it is integer. We should consider jiffies inaccuracy.

Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-19 09:32:29 +02:00
Takashi Iwai
5a6cc82171 ASoC: Fixes for v4.1
A few more fixes for v4.1, some driver fixes plus one core fix which
 fixes registration of DAI links when adding prefixes to CODECs to
 deuplicate in multi-CODEC systems.
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Merge tag 'asoc-fix-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.1

A few more fixes for v4.1, some driver fixes plus one core fix which
fixes registration of DAI links when adding prefixes to CODECs to
deuplicate in multi-CODEC systems.
2015-05-18 08:23:37 +02:00
Ansgar Hegerfeld
09ea997677 ALSA: hda/realtek - ALC292 dock fix for Thinkpad L450
The Lenovo ThinkPad L450 requires the ALC292_FIXUP_TPT440_DOCK fix in
order to get sound output on the docking stations audio port.

This patch was tested using a ThinkPad L450 (20DSS00B00) using kernel
4.0.3 and a ThinkPad Pro Dock.

Signed-off-by: Ansgar Hegerfeld <linux@hegerfeld.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-18 08:22:29 +02:00
David Henningsson
6ffc0898b2 ALSA: hda - Add Conexant codecs CX20721, CX20722, CX20723 and CX20724
This patch adds support for Conexant HD Audio codecs
CX20721, CX20722, CX20723 and CX20724.

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/1454656
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-18 08:20:03 +02:00
David Henningsson
1f8b46cdc8 ALSA: hda - Fix headset mic and mic-in for a Dell desktop
ALC662 does not need any special verbs to change the jack functionality,
and enables mic in through the headphone jack mode by changing the
direction of the headphone pin node.

BugLink: https://bugs.launchpad.net/bugs/1454235
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-18 08:19:57 +02:00
Mark Brown
7730c0b550 Merge remote-tracking branches 'asoc/fix/davinci', 'asoc/fix/mc13783', 'asoc/fix/uda1380', 'asoc/fix/wm8960' and 'asoc/fix/wm8994' into asoc-linus 2015-05-12 20:31:33 +01:00
Mark Brown
12a0423149 Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linus 2015-05-12 20:31:32 +01:00
Zidan Wang
17fc2e0a3d ASoC: wm8994: correct BCLK DIV 348 to 384
According to the RM of wm8958, BCLK DIV 348 doesn't exist, correct it
to 384.

Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-05-12 20:05:07 +01:00
Zidan Wang
85e36a1f4a ASoC: wm8960: fix "RINPUT3" audio route error
It should be "RINPUT3" instead of "LINPUT3" route to "Right Input
Mixer".

Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-05-12 19:52:20 +01:00
Koro Chen
fdb6eb0a12 ASoC: dapm: Modify widget stream name according to prefix
When there is prefix specified, currently we will add this prefix in
widget->name, but not in widget->sname.
it causes failure at snd_soc_dapm_link_dai_widgets:

if (!w->sname || !strstr(w->sname, dai_w->name))

because dai_w->name has prefix added, but w->sname does not.
We should also add prefix for stream name

Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-05-12 19:01:56 +01:00
David Henningsson
9b5a4e395c ALSA: hda - Add headset mic quirk for Dell Inspiron 5548
This enables the headset microphone on Dell Inspiron 5548,
or at least some variants of it.

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/1452175
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-11 14:30:08 +02:00
Kailang Yang
2c674fac5b ALSA: hda/realtek - Add ALC298 alias name for Dell
Add ALC3266 for Dell platform.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-05 14:51:44 +02:00
Vasily Khoruzhick
810e4425c2 ASoC: uda1380: Avoid accessing i2c bus when codec is disabled
set_dai_fmt_both() callback is called from snd_soc_runtime_set_dai_fmt()
which is called from snd_soc_register_card(), but at this time codec
is not powered on yet. Replace direct i2c write with regcache write.

Fixes: 5f0acedddf (ASoC: rx1950_uda1380: Use static DAI format setup)
Fixes: 5cc10b9b77 (ASoC: h1940_uda1380: Use static DAI format setup)
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-05-04 15:25:23 +01:00
Kailang Yang
ec6bfca835 ALSA: hda/realtek - Fix typo for ALC286/ALC288
Delete more one break for ALC286/ALC288.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-04 14:23:20 +02:00
Axel Lin
545774bd6e ASoC: mc13783: Fix wrong mask value used in mc13xxx_reg_rmw() calls
mc13xxx_reg_rmw() won't change any bit if passing 0 to the mask field.
Pass AUDIO_SSI_SEL instead of 0 for the mask field to set AUDIO_SSI_SEL
bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-05-01 17:36:31 +01:00
Takashi Iwai
88776f366e ALSA: hda - Add headphone quirk for Lifebook E752
Fujitsu Lifebook E752 laptop needs a similar quirk done for Lifebook
T731.  Otherwise the headphone is always muted.

Reported-and-tested-by: Christian Weber <we_chris@hotmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-01 09:20:34 +02:00
Peter Ujfalusi
27796e755a ASoC: davinci-mcasp: Correct pm status check in suspend callback
pm_runtime_enabled() will only tell if the pm runtime has been enabled for
the device, which is done at probe time but will not tell the actual power
state of the device.
pm_runtime_active() provides this information.
This patch fixes a kernel crash when doing suspend when McASP is not
active.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-30 21:08:56 +01:00
Takashi Iwai
0ae3aba286 ASoC: Fixes for v4.1
A few fixes for v4.1, none earth shattering and mostly driver related
 except for one change to fix !PM builds for Intel platforms which is
 done by adding stubs in the core so other platforms don't run into the
 same issue.
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Merge tag 'asoc-v4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.1

A few fixes for v4.1, none earth shattering and mostly driver related
except for one change to fix !PM builds for Intel platforms which is
done by adding stubs in the core so other platforms don't run into the
same issue.
2015-04-30 19:08:06 +02:00
Mark Brown
d839c98f98 Merge remote-tracking branches 'asoc/fix/rt5677', 'asoc/fix/samsung' and 'asoc/fix/tfa9879' into asoc-linus 2015-04-29 13:37:31 +01:00
Mark Brown
a78001b013 Merge remote-tracking branches 'asoc/fix/email', 'asoc/fix/fsl-ssi', 'asoc/fix/pm', 'asoc/fix/qcom' and 'asoc/fix/rcar' into asoc-linus 2015-04-29 13:37:28 +01:00
Mark Brown
1ce286b9c9 Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-linus 2015-04-29 13:37:27 +01:00
Mark Brown
49422ad37d Merge remote-tracking branch 'asoc/fix/intel' into asoc-linus 2015-04-29 13:37:27 +01:00
Bard Liao
60a8d62b84 ASoC: rt5677: fixed wrong DMIC ref clock
DMIC clock source is not from codec system clock directly. it is
generated from the division of system clock. And it should be 256 *
sample rate of AIF1.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-04-29 12:19:45 +01:00
Peter Zubaj
7241ea558c ALSA: emu10k1: Emu10k2 32 bit DMA mode
Looks like audigy emu10k2 (probably emu10k1 - sb live too) support two
modes for DMA. Second mode is useful for 64 bit os with more then 2 GB
of ram (fixes problems with big soundfont loading)

1) 32MB from 2 GB address space using 8192 pages (used now as default)
2) 16MB from 4 GB address space using 4096 pages

Mode is set using HCFG_EXPANDED_MEM flag in HCFG register.
Also format of emu10k2 page table is then different.

Signed-off-by: Peter Zubaj <pzubaj@marticonet.sk>
Tested-by: Takashi Iwai <tiwai@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-29 07:27:30 +02:00
Takashi Iwai
1c94e65c66 ALSA: emux: Fix mutex deadlock in OSS emulation
The OSS emulation in synth-emux helper has a potential AB/BA deadlock
at the simultaneous closing and opening:

  close ->
    snd_seq_release() ->
      sne_seq_free_client() ->
        snd_seq_delete_all_ports(): takes client->ports_mutex ->
	  port_delete() ->
	    snd_emux_unuse(): takes emux->register_mutex

  open ->
    snd_seq_oss_open() ->
      snd_emux_open_seq_oss(): takes emux->register_mutex ->
        snd_seq_event_port_attach() ->
	  snd_seq_create_port(): takes client->ports_mutex

This patch addresses the deadlock by reducing the rance taking
emux->register_mutex in snd_emux_open_seq_oss().  The lock is needed
for the refcount handling, so move it locally.  The calls in
emux_seq.c are already with the mutex, thus they are replaced with the
version without mutex lock/unlock.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-28 17:45:45 +02:00
Axel Lin
53f9b3baa9 ASoC: rt5645: Fix mask for setting RT5645_DMIC_2_DP_GPIO12 bit
Current code uses wrong mask when setting RT5645_DMIC_2_DP_GPIO12 bit,
fix it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-27 20:58:46 +01:00
Takashi Iwai
30e5f003ff ALSA: hda - Fix missing va_end() call in snd_hda_codec_pcm_new()
Reported by coverity CID 1296024.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 16:39:19 +02:00
Takashi Iwai
07b0e5d49d ALSA: emux: Fix mutex deadlock at unloading
The emux-synth driver has a possible AB/BA mutex deadlock at unloading
the emu10k1 driver:

  snd_emux_free() ->
    snd_emux_detach_seq(): mutex_lock(&emu->register_mutex) ->
      snd_seq_delete_kernel_client() ->
        snd_seq_free_client(): mutex_lock(&register_mutex)

  snd_seq_release() ->
    snd_seq_free_client(): mutex_lock(&register_mutex) ->
      snd_seq_delete_all_ports() ->
        snd_emux_unuse(): mutex_lock(&emu->register_mutex)

Basically snd_emux_detach_seq() doesn't need a protection of
emu->register_mutex as it's already being unregistered.  So, we can
get rid of this for avoiding the deadlock.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 14:50:39 +02:00
Takashi Iwai
d02260824e ALSA: emu10k1: Fix card shortname string buffer overflow
Some models provide too long string for the shortname that has 32bytes
including the terminator, and it results in a non-terminated string
exposed to the user-space.  This isn't too critical, though, as the
string is stopped at the succeeding longname string.

This patch fixes such entries by dropping "SB" prefix (it's enough to
fit within 32 bytes, so far).  Meanwhile, it also changes strcpy()
with strlcpy() to make sure that this kind of problem won't happen in
future, too.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 13:00:09 +02:00
Takashi Iwai
7290006d8c ALSA: hda - Add mute-LED mode control to Thinkpad
This patch adds the missing flag to enable "Mute-LED Mode" mixer enum
ctl for Thinkpads that have also the software mute-LED control.

Reported-and-tested-by: Pali Rohár <pali.rohar@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 10:48:37 +02:00
Takashi Iwai
ee52e56e7b ALSA: hda - Fix mute-LED fixed mode
The mute-LED mode control has the fixed on/off states that are
supposed to remain on/off regardless of the master switch.  However,
this doesn't work actually because the vmaster hook is called in the
vmaster code itself.

This patch fixes it by calling the hook indirectly after checking the
mute LED mode.

Reported-and-tested-by: Pali Rohár <pali.rohar@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 10:48:37 +02:00
Takashi Iwai
3e1b0c4a9d ALSA: hda - Fix click noise at start on Dell XPS13
Dell XPS13 produces a click noise at boot up, and Gabriele spotted out
that it's triggered by the initial pin control of the mic (NID 0x19).
This has to be set to Hi-Z Vref while the driver initializes to Vref
80% as a normal mic.

This patch fixes the generic parser code not to override the target
vref if it has been already set by the driver, and adds a proper
initialization of the target vref for this pin in the Realtek driver
side.

Reported-and-tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 10:48:37 +02:00
Linus Torvalds
d19d133e43 sound fixes for 4.1-rc1
Here are a few fixes that have been pending since the previous pull
 request: a regression fix for HD-audio multiple SPDIF / HDMI devices,
 several ALC256 codec fixes, a couple of i915 HDMI audio fixes, and
 various small fixes.
 
 Nothing exciting, just boring, but things good to have.
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Merge tag 'sound-fix-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are a few fixes that have been pending since the previous pull
  request: a regression fix for HD-audio multiple SPDIF / HDMI devices,
  several ALC256 codec fixes, a couple of i915 HDMI audio fixes, and
  various small fixes.

  Nothing exciting, just boring, but things good to have"

* tag 'sound-fix-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - fix headset mic detection problem for one more machine
  ALSA: hda/realtek - Fix Headphone Mic doesn't recording for ALC256
  ALSA: hda - fix "num_steps = 0" error on ALC256
  ALSA: usb-audio: Fix audio output on Roland SC-D70 sound module
  ALSA: hda - add AZX_DCAPS_I915_POWERWELL to Baytrail
  ALSA: hda - only sync BCLK to the display clock for Haswell & Broadwell
  ALSA: hda - Mute headphone pin on suspend on XPS13 9333
  sound/oss: fix deadlock in sequencer_ioctl(SNDCTL_SEQ_OUTOFBAND)
  ALSA: asound.h - use SNDRV_CTL_ELEM_ID_NAME_MAXLEN
  ALSA: hda - potential (but unlikely) uninitialized variable
  ALSA: hda - Fix regression for slave SPDIF setups
  ALSA: intel8x0: Check pci_iomap() success for DEVICE_ALI
  ALSA: hda - simplify azx_has_pm_runtime
2015-04-24 10:31:32 -07:00
Linus Torvalds
d6a4c0e5d3 Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine updates from Vinod Koul:

 - new drivers for:
        - Ingenic JZ4780 controller
        - APM X-Gene controller
        - Freescale RaidEngine device
        - Renesas USB Controller

  - remove device_alloc_chan_resources dummy handlers

  - sh driver cleanups for peri peri and related emmc and asoc patches
    as well

  - fixes and enhancements spread over the drivers

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (59 commits)
  dmaengine: dw: don't prompt for DW_DMAC_CORE
  dmaengine: shdmac: avoid unused variable warnings
  dmaengine: fix platform_no_drv_owner.cocci warnings
  dmaengine: pch_dma: fix memory leak on failure path in pch_dma_probe()
  dmaengine: at_xdmac: unlock spin lock before return
  dmaengine: xgene: devm_ioremap() returns NULL on error
  dmaengine: xgene: buffer overflow in xgene_dma_init_channels()
  dmaengine: usb-dmac: Fix dereferencing freed memory 'desc'
  dmaengine: sa11x0: report slave capabilities to upper layers
  dmaengine: vdma: Fix compilation warnings
  dmaengine: fsl_raid: statify fsl_re_chan_probe
  dmaengine: Driver support for FSL RaidEngine device.
  dmaengine: xgene_dma_init_ring_mngr() can be static
  Documentation: dma: Add documentation for the APM X-Gene SoC DMA device DTS binding
  arm64: dts: Add APM X-Gene SoC DMA device and DMA clock DTS nodes
  dmaengine: Add support for APM X-Gene SoC DMA engine driver
  dmaengine: usb-dmac: Add Renesas USB DMA Controller (USB-DMAC) driver
  dmaengine: renesas,usb-dmac: Add device tree bindings documentation
  dmaengine: edma: fixed wrongly initialized data parameter to the edma callback
  dmaengine: ste_dma40: fix implicit conversion
  ...
2015-04-24 09:49:37 -07:00
Fang, Yang A
3168c201f7 ASoC: rt5645: Add ACPI match ID
This patch adds the ACPI match ID for rt5645/5650 codec

Signed-off-by: Fang, Yang A <yang.a.fang@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-24 11:08:20 +01:00
Bard Liao
74d6ea52ae ASoC: rt5677: add register patch for PLL
The PLL output will be unstable in some cases. We can fix it by
setting some registers.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-04-24 11:06:54 +01:00
Hui Wang
e8191a8e47 ALSA: hda - fix headset mic detection problem for one more machine
We have two machines with alc256 codec in the pin quirk table, so
moving the common pins to ALC256_STANDARD_PINS.

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1447909
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-24 07:47:08 +02:00
Kailang Yang
d32b66668c ALSA: hda/realtek - Fix Headphone Mic doesn't recording for ALC256
Switch default pcbeep path to Line in path.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Tested-by: Hui Wang <hui.wang@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-23 12:03:48 +02:00
Vinod Koul
8faf141a99 ASoC: Intel: fix the makefile for atom code
The tom code should be using SND_SST_MFLD_PLATFORM and not the baytrail one.
So fix it now

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-04-23 10:32:48 +01:00
Linus Torvalds
1fc149933f Char/Misc driver patches for 4.1-rc1
Here's the big char/misc driver patchset for 4.1-rc1.
 
 Lots of different driver subsystem updates here, nothing major, full
 details are in the shortlog below.
 
 All of this has been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver patchset for 4.1-rc1.

  Lots of different driver subsystem updates here, nothing major, full
  details are in the shortlog.

  All of this has been in linux-next for a while"

* tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits)
  mei: trace: remove unused TRACE_SYSTEM_STRING
  DTS: ARM: OMAP3-N900: Add lis3lv02d support
  Documentation: DT: lis302: update wakeup binding
  lis3lv02d: DT: add wakeup unit 2 and wakeup threshold
  lis3lv02d: DT: use s32 to support negative values
  Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case
  Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case
  mei: replace check for connection instead of transitioning
  mei: use mei_cl_is_connected consistently
  mei: fix mei_poll operation
  hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg()
  Drivers: hv: hv_balloon: survive ballooning request with num_pages=0
  Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function
  Drivers: hv: hv_balloon: do not online pages in offline blocks
  hv: remove the per-channel workqueue
  hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind()
  hv: run non-blocking message handlers in the dispatch tasklet
  coresight: moving to new "hwtracing" directory
  coresight-tmc: Adding a status interface to sysfs
  coresight: remove the unnecessary configuration coresight-default-sink
  ...
2015-04-21 09:42:58 -07:00
David Henningsson
7d1b6e2932 ALSA: hda - fix "num_steps = 0" error on ALC256
The ALC256 does not have a mixer nid at 0x0b, and there's no
loopback path (the output pins are directly connected to the DACs).

This commit fixes an "num_steps = 0 for NID=0xb (ctl = Beep Playback Volume)"
error (and as a result, problems with amixer/alsamixer).

If there's pcbeep functionality, it certainly isn't controlled by setting an
amp on 0x0b, so disable beep functionality (at least for now).

Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446517
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-21 10:51:56 +02:00
Takamichi Horikawa
6d1f2f6056 ALSA: usb-audio: Fix audio output on Roland SC-D70 sound module
Roland SC-D70 reports its device class as vendor specific class and
the quirk QUIRK_AUDIO_FIXED_ENDPOINT was used for audio output.

In the quirks table the sampling rate was hard-coded to 44100 Hz
and therefore not worked when the sound module was in 48000 Hz mode.

In this change the quirk is changed to QUIRK_AUDIO_STANDARD_INTERFACE
but as the sound module reports incorrect bSubframeSize in its
descriptors, additional change is made in format.c to detect it and
to override it (which uses the existing code for Edirol SD-90).

Tested both when the sound module was in 44100 Hz mode and 48000 Hz
mode and both audio input and output. MIDI related part of the driver
is not touched.

Signed-off-by: Takamichi Horikawa <takamichiho@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-21 07:59:10 +02:00
Mengdong Lin
40cc2392f4 ALSA: hda - add AZX_DCAPS_I915_POWERWELL to Baytrail
This patch addes AZX_DCAPS_I915_POWERWELL to BYT (Baytrail).

Like Braswell and Skylake, the HDMI codec on Bytrail is also in the shared
power well with GPU. This power well must be turned on before we reset link
to probe the codec, to avoid communication failure with the codec.

The side effect is that this power is always ON in S0 because the BYT HDMI
codec does not support EPSS or D3ClkStop and so the controller doesn't enter
D3 at runtime, and the HDMI codec and analog codec share a single physical
HD-A link and so we cannot reset the HD-A link freely when we re-enable the
power to use the HDMI codec.

Next step is to test if an AGP reset or double AGP reset on BYT HDMI codec is
okay to bring the HDMI codec back to a functional state after restoring the
power. If okay, we can bind the power on/off with the HDMI codec PM without
interrupting the analog audio.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-21 07:58:36 +02:00
Mengdong Lin
f4c1a311d8 ALSA: hda - only sync BCLK to the display clock for Haswell & Broadwell
Only Intel Haswell and Broadwell have a separate HD-A controller (PCI device 3)
for display audio, which needs to get 24MHz HD-A link BCLK from the variable
display core clock through vendor specific registers EM4 & EM5. Other platforms
(Baytrail, Braswell and Skylake) don't have this feature.

So this patch checks the PCI device ID of the controller in haswell_set_bclk()
and only sync BCLK for HSW and BDW.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-20 17:27:55 +02:00
Gabriele Mazzotta
9476d369d7 ALSA: hda - Mute headphone pin on suspend on XPS13 9333
Muting the headphone output pin right before the codec suspension
prevents pop noises when headphones are plugged in (except for a
barely audible click noise).
This solution allows to truly save some power when headphones are
plugged in unlike the previous solution (033b0a7ca9c:
"ALSA: hda - Pop noises fix for XPS13 9333")

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-20 09:15:07 +02:00
Alexey Khoroshilov
bc26d4d06e sound/oss: fix deadlock in sequencer_ioctl(SNDCTL_SEQ_OUTOFBAND)
A deadlock can be initiated by userspace via ioctl(SNDCTL_SEQ_OUTOFBAND)
on /dev/sequencer with TMR_ECHO midi event.

In this case the control flow is:
sound_ioctl()
-> case SND_DEV_SEQ:
   case SND_DEV_SEQ2:
     sequencer_ioctl()
     -> case SNDCTL_SEQ_OUTOFBAND:
          spin_lock_irqsave(&lock,flags);
          play_event();
          -> case EV_TIMING:
               seq_timing_event()
               -> case TMR_ECHO:
                    seq_copy_to_input()
                    -> spin_lock_irqsave(&lock,flags);

It seems that spin_lock_irqsave() around play_event() is not necessary,
because the only other call location in seq_startplay() makes the call
without acquiring spinlock.

So, the patch just removes spinlocks around play_event().
By the way, it removes unreachable code in seq_timing_event(),
since (seq_mode == SEQ_2) case is handled in the beginning.

Compile tested only.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-18 09:05:55 +02:00