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ASoC: dapm: Support second register for DAPM control updates

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To support double channel shared controls split across 2 registers, one
for each channel, we must be able to update both registers together.

Add a second set of register fields to struct snd_soc_dapm_update, and
update the DAPM control writeback (put) callbacks to support this.

For codecs that use custom events which call into DAPM to do updates,
also clear struct snd_soc_dapm_update before using it, so the second
set of fields remains clean.

Signed-off-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Chen-Yu Tsai 2016-11-02 15:35:58 +08:00 • committed by Mark Brown
commit e411b0b5eb
6 changed files with 19 additions and 6 deletions
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4
include/sound/soc-dapm.h
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@ -615,6 +615,10 @@ struct snd_soc_dapm_update {
int reg;
int mask;
int val;
int reg2;
int mask2;
int val2;
bool has_second_set;
};
struct snd_soc_dapm_wcache {