ASoC: cs42l51: add mclk support

Add MCLK dapm to allow configuration of cirrus CS42l51
codec as a master clock consumer.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 5080d7a3c27982a4e619f75bc2069c1e2bfbf6ac..eb40bff54cec98a35f2b96f57e465d9701c7385a 100644 (file)
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -237,6 +237,10 @@ static const struct snd_soc_dapm_widget cs42l51_dapm_widgets[] = {
                &cs42l51_adcr_mux_controls),
 };
 
+static const struct snd_soc_dapm_widget cs42l51_dapm_mclk_widgets[] = {
+       SND_SOC_DAPM_CLOCK_SUPPLY("MCLK")
+};
+
 static const struct snd_soc_dapm_route cs42l51_routes[] = {
        {"HPL", NULL, "Left DAC"},
        {"HPR", NULL, "Right DAC"},
@@ -487,6 +491,10 @@ static struct snd_soc_dai_driver cs42l51_dai = {
 static int cs42l51_component_probe(struct snd_soc_component *component)
 {
        int ret, reg;
+       struct snd_soc_dapm_context *dapm;
+
+       dapm = snd_soc_component_get_dapm(component);
+       snd_soc_dapm_new_controls(dapm, cs42l51_dapm_mclk_widgets, 1);
 
        /*
         * DAC configuration