[alsa-devel] [PATCH v7 2/3] ASoC: da7210: Add support for line out and DAC
lrg at ti.com
Thu Oct 20 19:10:41 CEST 2011
On 20 October 2011 15:42, Ashish Chavan <ashish.chavan at kpitcummins.com> wrote:
> DA7210 has three line outputs. OUT1 Left, OUT1 Right and OUT2 (mono).
> This patch adds support for gain controls for these three line outs.
> It also adds support for overall DAC gain control.
> Signed-off-by: Ashish Chavan <ashish.chavan at kpitcummins.com>
> Signed-off-by: David Dajun Chen <dchen at diasemi.com>
> Changes since v1:
> - Removed explicit setting of default gains
> - Renamed "DAC Playback" to "Digital Playback"
> sound/soc/codecs/da7210.c | 42 ++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 42 insertions(+), 0 deletions(-)
> + /* Enable Line out amplifiers */
> + snd_soc_write(codec, DA7210_OUT1_L, DA7210_OUT1_L_EN);
> + snd_soc_write(codec, DA7210_OUT1_R, DA7210_OUT1_R_EN);
> + snd_soc_write(codec, DA7210_OUT2, DA7210_OUT2_EN |
> + DA7210_OUT2_OUTMIX_L | DA7210_OUT2_OUTMIX_R);
Any reason for not using DAPM here ? Otherwise they are always on
making your chip burn mW.....
More information about the Alsa-devel