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ALSA: hda - Fix subsystem ID read regression
authorDavid Henningsson <david.henningsson@canonical.com>
Wed, 1 Apr 2015 10:43:00 +0000 (12:43 +0200)
committerTakashi Iwai <tiwai@suse.de>
Sat, 4 Apr 2015 10:14:00 +0000 (12:14 +0200)
commita9d7c0a48bf8d9f00324259ad8069c5ffde1291e
treecc347e669ec761e23635a731ba614344d473a0c1tree | snapshot
parent606b1f38de20fd923e61adf73850d0653e2003bdcommit | diff
ALSA: hda - Fix subsystem ID read regression

A regression was introduced in e254314ed51d41152c: if AC_PAR_SUBSYSTEM_ID
reads as zero, one should retry using AC_VERB_GET_SUBSYSTEM_ID.

This seems to hit many codecs (my own laptop included), and causes
quirks for some machines not to apply correctly.

Reported-by: TienFu Chen <tienfu.chen@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/hda/hdac_device.c diff | blob | history
Linux Kernel Source Tree.