[alsa-devel] [PATCH] add output/input widgets in ad1938 to make dac/adc dynamic PM work

[Mark Brown]

On Wed, Aug 12, 2009 at 11:34:25AM +0800, Barry Song wrote:
> According to the function dapm_dac_check_power() in
> sound/soc/soc-dapm.c, dac power can't be on/off stand-alone without any
> output widget as sink. And according to dapm_adc_check_power(), adc
> power can't be on/off stand-alone without any input widget as source. So
> we can't only define some stand-alone SND_SOC_DAPM_DAC/SND_SOC_DAPM_ADC
> to hope their power can be managed dynamically.

> Signed-off-by: Barry Song <21cnbao at gmail.com>

Applied, thanks.