lkml.org 
[lkml]   [2016]   [Nov]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [PATCH v2 06/14] ASoC: sun4i-codec: Add support for A31 playback through headphone output
    On Fri, Nov 4, 2016 at 1:36 AM, Maxime Ripard
    <maxime.ripard@free-electrons.com> wrote:
    > Hi,
    >
    > On Thu, Nov 03, 2016 at 03:55:48PM +0800, Chen-Yu Tsai wrote:
    >> +/* headphone controls */
    >> +static const char * const sun6i_codec_hp_src_enum_text[] = {
    >> + "DAC", "Mixer",
    >> +};
    >> +
    >> +static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
    >> + SUN6I_CODEC_OM_DACA_CTRL,
    >> + SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
    >> + SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
    >> + sun6i_codec_hp_src_enum_text);
    >> +
    >> +static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
    >> + SOC_DAPM_ENUM("Headphone Source Playback Route",
    >> + sun6i_codec_hp_src_enum),
    >> +};
    >
    > What is that route exactly? A muxer?

    Yup. The following is part of the widgets list later in the code:

    + /* Headphone output path */
    + SND_SOC_DAPM_MUX("Headphone Source Playback Route",
    + SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),

    ChenYu

    \
     
     \ /
      Last update: 2016-11-04 02:20    [W:21.087 / U:0.036 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site