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| author | Takashi Iwai <tiwai@suse.de> | 2017-02-07 16:17:06 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-02-07 16:27:41 +0100 |
| commit | 40ce4b5d70b0c7e70c3e831e56d2586b57b54915 (patch) | |
| tree | e3ec74431c5cb7c7a89691ef12792e9852b23ba3 /Documentation/scsi/ChangeLog.megaraid | |
| parent | 77531beeb97d079fb422d2b78a0d75c564384310 (diff) | |
| download | linux-40ce4b5d70b0c7e70c3e831e56d2586b57b54915.tar.gz linux-40ce4b5d70b0c7e70c3e831e56d2586b57b54915.tar.xz | |
ALSA: x86: Cache AUD_CONFIG register value
At enabling the audio, we modify AUD_CONFIG register bit 0. So far,
it does read-modify-write procedure with a special hack for the
channel bits due to the silicon bug. But we can optimize it by
remembering the AUD_CONFIG register value privately. This simplifies
the things a lot.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/scsi/ChangeLog.megaraid')
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