ALSA: hda - Fix subsystem ID read regression

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A regression was introduced in 7639a06c23: 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>

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David Henningsson 2015-04-01 12:43:00 +02:00 • committed by Takashi Iwai

parent 4738465c37

commit ffda568e8b

1 changed files with 1 additions and 1 deletions

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sound/hda/hdac_device.c

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