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Takashi Iwai de3df8a986 ALSA: hda - Keep powering up ADCs on Cirrus codecs

Although one weird behavior about the input path (inconsistent D0/D3
switch) on Cirrus CS420x codecs was fixed in the previous commit,
there is still an issue on some Mac machines: the capture stream
stalls when switching the ADCs on the fly.  More badly, this keeps
stuck until the next reboot.

The dynamic ADC switching is already a bit fragile and assuming
optimistically that the chip accepts the frequent power changes.  On
Cirrus codecs, this doesn't seem applicable.

As a quick workaround, we pin down the ADCs to keep up in D0 when
spec->dyn_adc_switch is set.  In this way, the ADCs are kept up only
for the system that were confirmed to be broken.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=116171
Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2016-04-19 22:07:50 +02:00

aoa

ALSA: aoa-soundbus: Switch to dev_pm_ops

2015-08-05 16:47:47 +02:00

arm

dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc()

2016-03-09 14:57:51 +01:00

atmel

…

core

ALSA: timer: Use mod_timer() for rearming the system timer

2016-04-01 12:28:16 +02:00