ALSA: hda - Implement independent HP control

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Similar like the implementation in patch_analog.c and patch_via.c,
the generic parser can provide the independent HP PCM stream now.
It's enabled when spec->indep_hp is set by the caller while parsing.

Currently no dynamic PCM switching as in patch_via.c is implemented
yet.  The control returns -EBUSY when the value is changed during PCM
operations.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Takashi Iwai 2012-12-21 14:09:42 +01:00

parent b3a8c74522

commit 38cf6f1a41

2 changed files with 138 additions and 1 deletions

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130

sound/pci/hda/hda_generic.c

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9

sound/pci/hda/hda_generic.h

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