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authorLinus Torvalds <torvalds@linux-foundation.org>2022-04-01 20:32:46 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-04-01 20:32:46 +0300
commitd0d642a5d365b5e2295950fd184d5d1f630896dd (patch)
tree9f385526a161946e247f7c8df2fa4c443867f115 /include/sound
parent26803bac2b70a7314f19d56c588cf7d55e4ddc3e (diff)
parentbc55cfd5718c7c23e5524582e9fa70b4d10f2433 (diff)
downloadlinux-d0d642a5d365b5e2295950fd184d5d1f630896dd.tar.xz
Merge tag 'sound-fix-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai: "Just a few fixes that have been gathered since the previous pull: - An additional fix for potential PCM deadlocks - A series of HD-audio CS8409 codec patches for new models - Other device specific fixes for HD-audio, ASoC mediatek, Intel, fsl, rockchip" * tag 'sound-fix-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock ALSA: hda: Avoid unsol event during RPM suspending ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020 ALSA: hda/cs8409: Add new Dolphin HW variants ALSA: hda/cs8409: Disable HSBIAS_SENSE_EN for Cyborg ALSA: hda/cs8409: Support new Warlock MLK Variants ALSA: hda/cs8409: Fix Full Scale Volume setting for all variants ALSA: hda/cs8409: Re-order quirk table into ascending order ALSA: hda/cs8409: Fix Warlock to use mono mic configuration ALSA: cs4236: fix an incorrect NULL check on list iterator ALSA: hda/realtek: Enable headset mic on Lenovo P360 ASoC: SOF: Intel: Fix build error without SND_SOC_SOF_PCI_DEV ALSA: hda/realtek: Add mute and micmut LED support for Zbook Fury 17 G9 ASoC: rockchip: i2s_tdm: Fixup config for SND_SOC_DAIFMT_DSP_A/B ASoC: fsl-asoc-card: Fix jack_event() always return 0 ASoC: mediatek: mt6358: add missing EXPORT_SYMBOLs
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/pcm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 314f2779cab5..6b99310b5b88 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -402,6 +402,7 @@ struct snd_pcm_runtime {
struct fasync_struct *fasync;
bool stop_operating; /* sync_stop will be called */
struct mutex buffer_mutex; /* protect for buffer changes */
+ atomic_t buffer_accessing; /* >0: in r/w operation, <0: blocked */
/* -- private section -- */
void *private_data;