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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c133
1 files changed, 44 insertions, 89 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index c07c7fb7593..3651a37bb2c 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -495,93 +495,6 @@ out:
return ret;
}
-/* set up initial codec paths */
-static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
- struct snd_soc_dapm_path *p, int i)
-{
- switch (w->id) {
- case snd_soc_dapm_switch:
- case snd_soc_dapm_mixer:
- case snd_soc_dapm_mixer_named_ctl: {
- unsigned int val;
- struct soc_mixer_control *mc = (struct soc_mixer_control *)
- w->kcontrol_news[i].private_value;
- int reg = mc->reg;
- unsigned int shift = mc->shift;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
-
- if (reg != SND_SOC_NOPM) {
- soc_widget_read(w, reg, &val);
- val = (val >> shift) & mask;
- if (invert)
- val = max - val;
- p->connect = !!val;
- } else {
- p->connect = 0;
- }
-
- }
- break;
- case snd_soc_dapm_mux: {
- struct soc_enum *e = (struct soc_enum *)
- w->kcontrol_news[i].private_value;
- unsigned int val, item;
-
- if (e->reg != SND_SOC_NOPM) {
- soc_widget_read(w, e->reg, &val);
- val = (val >> e->shift_l) & e->mask;
- item = snd_soc_enum_val_to_item(e, val);
- } else {
- /* since a virtual mux has no backing registers to
- * decide which path to connect, it will try to match
- * with the first enumeration. This is to ensure
- * that the default mux choice (the first) will be
- * correctly powered up during initialization.
- */
- item = 0;
- }
-
- if (item < e->items && !strcmp(p->name, e->texts[item]))
- p->connect = 1;
- else
- p->connect = 0;
- }
- break;
- /* does not affect routing - always connected */
- case snd_soc_dapm_pga:
- case snd_soc_dapm_out_drv:
- case snd_soc_dapm_output:
- case snd_soc_dapm_adc:
- case snd_soc_dapm_input:
- case snd_soc_dapm_siggen:
- case snd_soc_dapm_dac:
- case snd_soc_dapm_micbias:
- case snd_soc_dapm_vmid:
- case snd_soc_dapm_supply:
- case snd_soc_dapm_regulator_supply:
- case snd_soc_dapm_clock_supply:
- case snd_soc_dapm_aif_in:
- case snd_soc_dapm_aif_out:
- case snd_soc_dapm_dai_in:
- case snd_soc_dapm_dai_out:
- case snd_soc_dapm_hp:
- case snd_soc_dapm_mic:
- case snd_soc_dapm_spk:
- case snd_soc_dapm_line:
- case snd_soc_dapm_dai_link:
- case snd_soc_dapm_kcontrol:
- p->connect = 1;
- break;
- /* does affect routing - dynamically connected */
- case snd_soc_dapm_pre:
- case snd_soc_dapm_post:
- p->connect = 0;
- break;
- }
-}
-
/* connect mux widget to its interconnecting audio paths */
static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
@@ -589,15 +502,33 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
const struct snd_kcontrol_new *kcontrol)
{
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int val, item;
int i;
+ if (e->reg != SND_SOC_NOPM) {
+ soc_widget_read(dest, e->reg, &val);
+ val = (val >> e->shift_l) & e->mask;
+ item = snd_soc_enum_val_to_item(e, val);
+ } else {
+ /* since a virtual mux has no backing registers to
+ * decide which path to connect, it will try to match
+ * with the first enumeration. This is to ensure
+ * that the default mux choice (the first) will be
+ * correctly powered up during initialization.
+ */
+ item = 0;
+ }
+
for (i = 0; i < e->items; i++) {
if (!(strcmp(control_name, e->texts[i]))) {
list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &dest->sources);
list_add(&path->list_source, &src->sinks);
path->name = (char*)e->texts[i];
- dapm_set_path_status(dest, path, 0);
+ if (i == item)
+ path->connect = 1;
+ else
+ path->connect = 0;
return 0;
}
}
@@ -605,6 +536,30 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
return -ENODEV;
}
+/* set up initial codec paths */
+static void dapm_set_mixer_path_status(struct snd_soc_dapm_widget *w,
+ struct snd_soc_dapm_path *p, int i)
+{
+ struct soc_mixer_control *mc = (struct soc_mixer_control *)
+ w->kcontrol_news[i].private_value;
+ unsigned int reg = mc->reg;
+ unsigned int shift = mc->shift;
+ unsigned int max = mc->max;
+ unsigned int mask = (1 << fls(max)) - 1;
+ unsigned int invert = mc->invert;
+ unsigned int val;
+
+ if (reg != SND_SOC_NOPM) {
+ soc_widget_read(w, reg, &val);
+ val = (val >> shift) & mask;
+ if (invert)
+ val = max - val;
+ p->connect = !!val;
+ } else {
+ p->connect = 0;
+ }
+}
+
/* connect mixer widget to its interconnecting audio paths */
static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
@@ -619,7 +574,7 @@ static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
list_add(&path->list_sink, &dest->sources);
list_add(&path->list_source, &src->sinks);
path->name = dest->kcontrol_news[i].name;
- dapm_set_path_status(dest, path, i);
+ dapm_set_mixer_path_status(dest, path, i);
return 0;
}
}