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author | Lars-Peter Clausen <lars@metafoo.de> | 2014-11-05 17:19:53 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2014-11-05 16:33:08 +0000 |
commit | 1b86a3fa4eb3c7a6d738fa21475b92493f8952b1 (patch) | |
tree | 2a3626c7bd56a3d8cfd88b0ebcbeb07be8a70f86 /sound/soc/Makefile | |
parent | f114040e3ea6e07372334ade75d1ee0775c355e1 (diff) | |
download | linux-1b86a3fa4eb3c7a6d738fa21475b92493f8952b1.tar.gz |
ASoC: ad193x: Keep DAC output stage active in idle
Setting the DAC power-down bit for the ad193x will also disable the DAC output amplifier. This will cause audible clicks and pops when starting or stopping playback. To prevent this a new widget is introduced that controls the DAC power-down bit. This widget is connected to both the DAC and a newly introduced VMID widget. This makes sure that the DAC power-down bit is not set as long as a audio sink is connected to the DAC output. At the same time the PLL and SYSCLK will still be disabled when no playback or capture stream is active. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/Makefile')
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