linux/sound
Takashi Iwai c0f1886de7 ALSA: hda: intel: Allow repeatedly probing on codec configuration errors
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>
2021-10-07 09:15:22 +02:00
..
ac97 bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
aoa Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
arm ALSA: pxa2xx: Use managed PCM buffer allocation 2021-08-04 08:08:21 +02:00
atmel
core ALSA: seq: Fix a potential UAF by wrong private_free call order 2021-09-30 14:13:22 +02:00
drivers ALSA: pcsp: Make hrtimer forwarding more robust 2021-09-28 10:58:08 +02:00
firewire ALSA: firewire-motu: fix truncated bytes in message tracepoints 2021-09-21 18:48:32 +02:00
hda ALSA: hda: intel-dsp-cfg: add missing ElkhartLake PCI ID 2021-07-20 09:10:55 +02:00
i2c ALSA: i2c: tea6330t: Remove redundant initialization of variable err 2021-06-12 09:32:14 +02:00
isa ALSA: gus: Fix repeated probe for ISA interwave card 2021-09-07 11:40:08 +02:00
mips ALSA: n64: check return value after calling platform_get_resource() 2021-06-12 09:31:13 +02:00
oss sound/oss/dmasound: Remove superfluous "break" 2021-05-27 08:24:23 +02:00
parisc parisc architecture updates for kernel 5.15: 2021-09-02 13:16:00 -07:00
pci ALSA: hda: intel: Allow repeatedly probing on codec configuration errors 2021-10-07 09:15:22 +02:00
pcmcia ALSA: vx: Manage vx_core object with devres 2021-07-19 16:17:09 +02:00
ppc ALSA: ppc: fix error return code in snd_pmac_probe() 2021-06-16 08:52:29 +02:00
sh
soc ASoC: Fixes for v5.15 2021-09-21 18:42:14 +02:00
sparc ALSA: sparc: Fix assignment in if condition 2021-06-09 17:30:29 +02:00
spi
synth ALSA: emux: fix spelling mistakes 2021-07-05 19:34:22 +02:00
usb ALSA: usb-audio: Enable rate validation for Scarlett devices 2021-10-05 07:57:19 +02:00
virtio ALSA: virtio: fix kernel-doc 2021-04-27 08:39:39 +02:00
x86 ALSA: memalloc: Correctly name as WC 2021-08-04 08:07:58 +02:00
xen
ac97_bus.c
Kconfig
last.c
Makefile
sound_core.c