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ASoC: Support DAPM events for DACs and ADCs

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-04-13 11:27:03 +01:00
parent 025756eca4
commit f6d655a6e6
2 changed files with 20 additions and 6 deletions
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10
include/sound/soc-dapm.h
View File

@ -140,9 +140,19 @@
#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \
{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
.shift = wshift, .invert = winvert}
#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \
wevent, wflags) \
{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
.shift = wshift, .invert = winvert, \
.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \
{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
.shift = wshift, .invert = winvert}
#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \
wevent, wflags) \
{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
.shift = wshift, .invert = winvert, \
.event = wevent, .event_flags = wflags}
/* generic register modifier widget */
#define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \

12
sound/soc/soc-dapm.c
View File

@ -598,18 +598,22 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event,
if (w->id == snd_soc_dapm_adc && w->active) {
in = is_connected_input_ep(w);
dapm_clear_walk(w->codec);
w->power = (in != 0) ? 1 : 0;
dapm_update_bits(w);
power = (in != 0) ? 1 : 0;
if (power == w->power)
return 0;
w->power = power;
return dapm_generic_apply_power(w);
}
/* active DAC */
if (w->id == snd_soc_dapm_dac && w->active) {
out = is_connected_output_ep(w);
dapm_clear_walk(w->codec);
w->power = (out != 0) ? 1 : 0;
dapm_update_bits(w);
power = (out != 0) ? 1 : 0;
if (power == w->power)
return 0;
w->power = power;
return dapm_generic_apply_power(w);
}
/* pre and post event widgets */