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linux/include/sound
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Takashi Iwai ef34a0ae7a ALSA: core: Add async signal helpers 
Currently the call of kill_fasync() from an interrupt handler might
lead to potential spin deadlocks, as spotted by syzkaller.
Unfortunately, it's not so trivial to fix this lock chain as it's
involved with the tasklist_lock that is touched in allover places.

As a temporary workaround, this patch provides the way to defer the
async signal notification in a work.  The new helper functions,
snd_fasync_helper() and snd_kill_faync() are replacements for
fasync_helper() and kill_fasync(), respectively.  In addition,
snd_fasync_free() needs to be called at the destructor of the relevant
file object.

Link: https://lore.kernel.org/r/20220728125945.29533-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2022-07-29 12:57:10 +02:00
..
ac97
ASoC: ac97: convert to SPDX identifiers
2018-07-02 10:56:09 +01:00
sof
ASoC: SOF: Copy compress parameters into extended data
2022-07-12 15:22:07 +01:00
ac97_codec.h
ALSA: ac97: Treat snd_ac97_bus_ops as const
2020-01-03 09:24:08 +01:00
aci.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ad1816a.h
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2019-05-30 11:26:35 -07:00
ad1843.h
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adau1373.h
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2019-05-30 11:25:18 -07:00
ak4xxx-adda.h
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ak4113.h
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2019-05-30 11:26:35 -07:00
ak4114.h
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2019-05-30 11:26:35 -07:00
ak4117.h
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2019-05-30 11:26:35 -07:00
ak4531_codec.h
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2019-05-30 11:26:35 -07:00
ak4641.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
alc5623.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
asequencer.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
asound.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
asoundef.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
compress_driver.h
ALSA: compress: Drop unused functions
2021-07-15 10:22:30 +02:00
control.h
ALSA: control: Rename CONFIG_SND_CTL_VALIDATION to CONFIG_SND_CTL_DEBUG
2022-06-15 07:45:27 +02:00
core.h
ALSA: core: Add async signal helpers
2022-07-29 12:57:10 +02:00
cs35l33.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cs35l34.h
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2019-06-19 17:09:55 +02:00
cs35l35.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cs35l36.h
ASoC: cs35l36: Add support for Cirrus CS35L36 Amplifier
2019-02-08 13:00:28 +00:00
cs35l41.h
ASoC: Updates for v5.20
2022-07-15 16:11:58 +02:00
cs42l42.h
ASoC: cs42l42: Move CS42L42 register descriptions to general include
2022-05-09 10:44:50 +02:00
cs42l52.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cs42l56.h
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2019-06-19 17:09:55 +02:00
cs42l73.h
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2019-06-19 17:09:55 +02:00
cs4231-regs.h
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2019-05-30 11:26:35 -07:00
cs4271.h
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cs8403.h
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cs8427.h
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da7213.h
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2019-06-19 17:09:55 +02:00
da7218.h
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da7219-aad.h
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da7219.h
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da9055.h
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2019-05-30 11:26:32 -07:00
designware_i2s.h
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2019-05-30 11:26:35 -07:00
dmaengine_pcm.h
ALSA: dmaengine: Fix missing return value comments for kernel docs
2022-07-13 13:42:35 +02:00
emu10k1_synth.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
emu10k1.h
ALSA: emu10k1: Allocate resources with device-managed APIs
2021-07-19 16:16:56 +02:00
emu8000_reg.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
emu8000.h
ALSA: sb: Allocate resources with device-managed APIs
2021-07-19 16:17:14 +02:00
emux_legacy.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
emux_synth.h
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2019-05-30 11:26:35 -07:00
es1688.h
ALSA: es1688: Avoid devres management for es1688 object creation
2021-08-05 08:24:17 +02:00
graph_card.h
ASoC: audio-graph-card2: add Codec2Codec support
2021-10-15 16:10:41 +01:00
gus.h
ALSA: isa/gus: remove -Wmissing-prototypes warnings
2020-07-07 11:59:59 +02:00
hda_chmap.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hda_codec.h
ALSA: hda: Skip event processing for unregistered codecs
2022-07-15 16:26:50 +02:00
hda_component.h
i915/snd_hdac: I915 subcomponent for the snd_hdac
2019-02-08 16:58:59 +01:00
hda_hwdep.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 32
2019-05-24 17:27:10 +02:00
hda_i915.h
ALSA: hda: Make audio component support more generic
2018-07-17 22:25:48 +02:00
hda_register.h
ALSA: hda: Change AZX_MAX_BUF_SIZE from 1GB to 4MB
2021-03-19 16:54:58 +01:00
hda_regmap.h
ALSA: hda: Manage concurrent reg access more properly
2020-01-13 13:40:41 +01:00
hda_verbs.h
ALSA: cleanup double word in comment
2022-02-11 15:18:56 +01:00
hdaudio_ext.h
ASoC: Updates for v5.18
2022-03-21 16:19:21 +01:00
hdaudio.h
ALSA: hda: Skip event processing for unregistered codecs
2022-07-15 16:26:50 +02:00
hdmi-codec.h
ASoC: hdmi-codec: Update to modern DAI terminology
2022-06-13 14:56:07 +01:00
hwdep.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
i2c.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
info.h
ALSA: info: Make snd_info_entry_ops as const
2020-01-03 09:24:18 +01:00
initval.h
ALSA: Allow const arrays for legacy resource management helpers
2020-01-05 16:14:26 +01:00
intel-dsp-config.h
ASoC: Intel: avs: PCI driver implementation
2022-05-17 11:58:04 +01:00
intel-nhlt.h
ALSA: hda: intel-nhlt: Move structs out of #define block
2022-04-27 14:15:32 +01:00
jack.h
ALSA: jack: Access input_dev under mutex
2022-04-12 12:19:05 +02:00
l3.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
madera-pdata.h
ASoC: madera: Replace kernel.h with the necessary inclusions
2022-07-05 13:00:49 +01:00
max9768.h
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max98088.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
max98090.h
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2019-05-30 11:26:32 -07:00
max98095.h
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2019-05-30 11:26:32 -07:00
memalloc.h
ALSA: memalloc: Add fallback SG-buffer allocations for x86
2022-04-13 07:48:53 +02:00
minors.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
mixer_oss.h
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2019-05-30 11:26:35 -07:00
mpu401.h
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2019-05-30 11:26:35 -07:00
omap-hdmi-audio.h
ALSA: Replace HTTP links with HTTPS ones
2020-07-19 20:49:25 +02:00
opl3.h
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2019-05-30 11:26:35 -07:00
opl4.h
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2019-05-30 11:26:35 -07:00
pcm_drm_eld.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pcm_iec958.h
ALSA: iec958: Split status creation and fill
2021-06-08 17:05:41 +02:00
pcm_oss.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
pcm_params.h
ALSA: pcm: Remove unused inline function snd_mask_sizeof
2020-09-09 18:43:07 +02:00
pcm-indirect.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
pcm.h
ASoC: Updates for v5.20
2022-07-15 16:11:58 +02:00
pt2258.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
pxa2xx-lib.h
Input: touchscreen: use wrapper for pxa2xx ac97 registers
2022-05-07 22:55:48 +02:00
rawmidi.h
ALSA: rawmidi: Move lock to snd_rawmidi_substream
2022-06-20 09:36:02 +02:00
rt286.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rt298.h
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2019-06-19 17:09:55 +02:00
rt1015.h
ASoC: rt1015: add delay to fix pop noise from speaker
2020-11-05 17:25:17 +00:00
rt5514.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rt5659.h
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rt5660.h
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2019-06-19 17:09:55 +02:00
rt5663.h
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2019-06-19 17:09:55 +02:00
rt5665.h
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2019-06-19 17:09:55 +02:00
rt5668.h
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2019-06-19 17:09:55 +02:00
rt5682.h
ASoC: rt5682: Add a new property for the DMIC clock driving
2020-11-13 14:22:09 +00:00
rt5682s.h
ASoC: rt5682s: add delay time to fix pop sound issue
2021-12-08 13:07:58 +00:00
s3c24xx_uda134x.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sb16_csp.h
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sb.h
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2019-05-30 11:26:35 -07:00
seq_device.h
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2019-05-30 11:26:35 -07:00
seq_kernel.h
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2019-05-30 11:26:35 -07:00
seq_midi_emul.h
ALSA: seq: Constify struct snd_midi_op
2020-01-03 09:24:19 +01:00
seq_midi_event.h
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2019-05-30 11:26:35 -07:00
seq_oss_legacy.h
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seq_oss.h
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seq_virmidi.h
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sh_dac_audio.h
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2019-06-19 17:09:55 +02:00
sh_fsi.h
ASoC: fsi: convert to SPDX identifiers
2018-08-02 10:56:59 +01:00
simple_card_utils.h
ASoC: audio-graph-card2.c: remove pre-alloced Codec2Codec space
2022-07-08 11:51:43 +01:00
simple_card.h
ASoC: simple-card: convert to SPDX identifiers
2018-07-02 10:52:47 +01:00
snd_wavefront.h
ASoC: Updates for v4.15
2017-11-13 15:45:57 +01:00
soc-acpi-intel-match.h
ASoC: SOF: Intel: add MeteorLake machines
2022-06-06 22:00:06 +01:00
soc-acpi.h
ASoC: Intel: avs: Generic soc component driver
2022-05-17 11:57:53 +01:00
soc-card.h
ASoC: Introduce 'fixup_controls' card method
2022-06-10 13:32:20 +01:00
soc-component.h
ASoC: soc-component: Remove non_legacy_dai_naming flag
2022-06-27 13:17:43 +01:00
soc-dai.h
ASoC: soc-dai: Remove set_fmt_new callback
2022-06-06 12:34:21 +01:00
soc-dapm.h
ASoC: Export DAI register and widget ctor and dctor functions
2022-03-11 16:23:53 +00:00
soc-dpcm.h
ASoC: soc-pcm: improve BE transition for PAUSE_RELEASE
2022-04-19 16:33:51 +01:00
soc-jack.h
ASoC: add soc-jack.h
2020-11-30 12:54:02 +00:00
soc-link.h
ASoC: soc-pcm: care trigger rollback
2020-12-09 12:13:38 +00:00
soc-topology.h
ASoC: topology: Fix stub for snd_soc_tplg_component_remove()
2021-10-25 17:41:26 +01:00
soc.h
ASoC: Remove unused hw_write_t type
2022-06-24 16:21:41 +01:00
sof.h
ASoC: SOF: Add ops_free
2022-06-10 13:32:05 +01:00
soundfont.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
spear_dma.h
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2019-05-30 11:26:35 -07:00
spear_spdif.h
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sta32x.h
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sta350.h
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tas2552-plat.h
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2019-05-30 11:26:41 -07:00
tas5086.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tea6330t.h
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timer.h
ALSA: timer: Replace tasklet with work
2020-09-09 18:32:52 +02:00
tlv320aic3x.h
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tlv.h
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tpa6130a2-plat.h
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uda134x.h
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uda1380.h
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util_mem.h
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2019-05-30 11:26:35 -07:00
vx_core.h
ALSA: vx: Constify snd_vx_hardware and snd_vx_ops definitions
2020-01-03 09:24:20 +01:00
wavefront.h
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wm0010.h
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wm1250-ev1.h
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wm2000.h
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wm2200.h
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wm5100.h
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wm8903.h
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2019-06-19 17:09:55 +02:00
wm8904.h
ASoC: Spelling s/configr/configur/
2019-10-25 11:06:57 +01:00
wm8955.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
wm8960.h
ASoC: wm8960: Support headphone jack detection function
2020-06-15 20:58:33 +01:00
wm8962.h
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wm8993.h
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wm8996.h
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wm9081.h
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wm9090.h
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2019-06-19 17:09:55 +02:00
wss.h
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