]> Git Repo - linux.git/commit
ALSA: fix hda AZX_DCAPS_NO_TCSEL quirk check in driver_caps
authorLinus Torvalds <[email protected]>
Sat, 28 May 2011 02:45:28 +0000 (19:45 -0700)
committerLinus Torvalds <[email protected]>
Sat, 28 May 2011 02:45:28 +0000 (19:45 -0700)
commit46f2cc80514e389bacfb642a32a4181fa1f1d20b
treed9fba88eb0157e3413eecc79b2fe354974a1ad97
parentf23a5e1405e47df6cdc86568ea75df266b9e151f
ALSA: fix hda AZX_DCAPS_NO_TCSEL quirk check in driver_caps

Commit 9477c58e3308 ("ALSA: hda - Reorganize controller quriks with bit
flags") changed the driver type compares into various quirk bits.
However, the check for AZX_DCAPS_NO_TCSEL got reverted: instead of
clearing TCSEL for chipsets that have that standard capability, it
cleared then when the NO_TCSEL bit was set.

This can lead to noise and repeated sounds - a weird "echo" behavior.
As the comment just above says: "Ensuring these bits are 0 clears
playback static on some HD Audio codecs".  Which is definitely true at
least on my Core i5 Westmere system.

Cc: Takashi Iwai <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
sound/pci/hda/hda_intel.c
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