ALSA: usb-audio: Refactor clock finder helpers

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There are lots of open-coded functions to find a clock source,
selector and multiplier.  Now there are both v2 and v3, so six
variants.

This patch refactors the code to use a common helper for the main
loop, and define each validator function for each target.
There is no functional change.

Fixes: 9a2fe9b801 ("ALSA: usb: initial USB Audio Device Class 3.0 support")
Reviewed-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Takashi Iwai 2018-04-03 17:34:57 +02:00

parent a820ccbe21

commit f7645bd636

1 changed files with 53 additions and 74 deletions

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sound/usb/clock.c

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