ASoC: wm0010: Add dummy widget for CLKIN

Make it easier to integrate the management of the clock supplying the
WM0010 with DAPM by providing a dummy supply widget which supplies the
interface widgets, this can be connected to clock outputs by the machines.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c
index f820b5725163c71cf713c8dc7d89c7c377192088..b6f7097d7953dc78a71b298c1a92802df38658b5 100644 (file)
--- a/sound/soc/codecs/wm0010.c
+++ b/sound/soc/codecs/wm0010.c
@@ -118,9 +118,18 @@ struct wm0010_spi_msg {
        size_t len;
 };
 
+static const struct snd_soc_dapm_widget wm0010_dapm_widgets[] = {
+SND_SOC_DAPM_SUPPLY("CLKIN",  SND_SOC_NOPM, 0, 0, NULL, 0),
+};
+
 static const struct snd_soc_dapm_route wm0010_dapm_routes[] = {
        { "SDI2 Capture", NULL, "SDI1 Playback" },
        { "SDI1 Capture", NULL, "SDI2 Playback" },
+
+       { "SDI1 Capture", NULL, "CLKIN" },
+       { "SDI2 Capture", NULL, "CLKIN" },
+       { "SDI1 Playback", NULL, "CLKIN" },
+       { "SDI2 Playback", NULL, "CLKIN" },
 };
 
 static const char *wm0010_state_to_str(enum wm0010_state state)
@@ -718,6 +727,8 @@ static struct snd_soc_codec_driver soc_codec_dev_wm0010 = {
        .set_bias_level = wm0010_set_bias_level,
        .set_sysclk = wm0010_set_sysclk,
 
+       .dapm_widgets = wm0010_dapm_widgets,
+       .num_dapm_widgets = ARRAY_SIZE(wm0010_dapm_widgets),
        .dapm_routes = wm0010_dapm_routes,
        .num_dapm_routes = ARRAY_SIZE(wm0010_dapm_routes),
 };