V4L/DVB (7163): em28xx: makes audio settings more stable
authorMauro Carvalho Chehab <mchehab@infradead.org>
Wed, 6 Feb 2008 21:34:13 +0000 (18:34 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Mon, 18 Feb 2008 14:15:16 +0000 (11:15 -0300)
Improves audio configurations on em28xx:
        - mutes audio before changing amux;
        - adds a delay after setting audio src;
        - waits up to 50ms for ac97 busy.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

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