ASoC: core: Add widget SND_SOC_DAPM_CLOCK_SUPPLY

Adds a supply-widget variant for connection to the clock-framework.
This widget-type corresponds to the variant for regulators.

Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index e3833d9f1914..05559e571d44 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -229,6 +229,10 @@ struct device;
 {       .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
         .shift = wshift, .invert = winvert, \
         .event = wevent, .event_flags = wflags}
+#define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \
+{       .id = snd_soc_dapm_clock_supply, .name = wname, \
+        .reg = SND_SOC_NOPM, .event = dapm_clock_event, \
+        .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }
 
 /* generic widgets */
 #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \
@@ -245,6 +249,7 @@ struct device;
         .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \
         .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }
 
+
 /* dapm kcontrol types */
 #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \
 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
@@ -327,6 +332,8 @@ int dapm_reg_event(struct snd_soc_dapm_widget *w,
                    struct snd_kcontrol *kcontrol, int event);
 int dapm_regulator_event(struct snd_soc_dapm_widget *w,
                          struct snd_kcontrol *kcontrol, int event);
+int dapm_clock_event(struct snd_soc_dapm_widget *w,
+                         struct snd_kcontrol *kcontrol, int event);
 
 /* dapm controls */
 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
@@ -432,6 +439,7 @@ enum snd_soc_dapm_type {
         snd_soc_dapm_post,                      /* machine specific post widget - exec last */
         snd_soc_dapm_supply,            /* power/clock supply */
         snd_soc_dapm_regulator_supply,  /* external regulator */
+        snd_soc_dapm_clock_supply,      /* external clock */
         snd_soc_dapm_aif_in,            /* audio interface input */
         snd_soc_dapm_aif_out,           /* audio interface output */
         snd_soc_dapm_siggen,            /* signal generator */
@@ -537,6 +545,8 @@ struct snd_soc_dapm_widget {
         struct list_head dirty;
         int inputs;
         int outputs;
+
+        struct clk *clk;
 };
 
 struct snd_soc_dapm_update {