diff options
| author | Chen-Yu Tsai <wens@csie.org> | 2016-11-02 15:36:00 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-11-02 09:55:29 -0600 |
| commit | 9ee7ef31b5a07cdca88cae023c613e045af935b9 (patch) | |
| tree | a428b1961db9a51ed2b5c3570a7f7225a179772f /include/sound | |
| parent | e7aa450fe17890e59db7d3c2d8eff5b6b41fc531 (diff) | |
| download | linux-9ee7ef31b5a07cdca88cae023c613e045af935b9.tar.bz2 | |
ASoC: dapm: Introduce DAPM_DOUBLE dual channel control type
A DAPM_DOUBLE control type can be used for dual channel mixer input
selectors / mute controls in one register, possibly toggling both
channels together.
The control is meant to be shared by 2 widgets, 1 for each channel,
such that the mixer control exposed to userspace remains a combined
stereo control.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/soc-dapm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index d5f4677776ce..f74ec19687f8 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -272,6 +272,11 @@ struct device; /* dapm kcontrol types */ +#define SOC_DAPM_DOUBLE(xname, reg, lshift, rshift, max, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_DOUBLE_VALUE(reg, lshift, rshift, max, invert, 0) } #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .info = snd_soc_info_volsw, \ |