ALSA: hda/realtek - Finer tuning of auto-parser with badness evaluation

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This patch improves the Realtek auto-parser for assigning the DACs and
mixers in more suitable ways by evaluating the assignment with "badness"
calculations.

When assigning a DAC hinders the assignment of individual DACs for
other pins, some badness point is given.  Similarly, when it blocks the
assignment of unique mixer controls, another badness point is added.
Also, if no DAC, even shared DAC, can be assigned, more badness is
pointed.  Finally, comparing the accumulated badness, the best route is
chosen among several trials.

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

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This commit is contained in:

Takashi Iwai 2012-02-16 16:45:59 +01:00

parent 140547ef4e

commit 1c4a54b451

1 changed files with 293 additions and 84 deletions

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sound/pci/hda/patch_realtek.c

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