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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 0d294ef72590..de22c2f1842e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -739,6 +739,8 @@ static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
struct snd_soc_dapm_widget *b,
int sort[])
{
+ if (a->codec != b->codec)
+ return (unsigned long)a - (unsigned long)b;
if (sort[a->id] != sort[b->id])
return sort[a->id] - sort[b->id];
if (a->reg != b->reg)
@@ -1147,9 +1149,16 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
out = is_connected_output_ep(w);
dapm_clear_walk(w->codec);
- ret = snprintf(buf, PAGE_SIZE, "%s: %s in %d out %d\n",
+ ret = snprintf(buf, PAGE_SIZE, "%s: %s in %d out %d",
w->name, w->power ? "On" : "Off", in, out);
+ if (w->reg >= 0)
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ " - R%d(0x%x) bit %d",
+ w->reg, w->reg, w->shift);
+
+ ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n");
+
if (w->sname)
ret += snprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n",
w->sname,
@@ -1255,8 +1264,7 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
/* test and update the power status of a mixer or switch widget */
static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
- struct snd_kcontrol *kcontrol, int reg,
- int val_mask, int val, int invert)
+ struct snd_kcontrol *kcontrol, int connect)
{
struct snd_soc_dapm_path *path;
int found = 0;
@@ -1266,9 +1274,6 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
widget->id != snd_soc_dapm_switch)
return -ENODEV;
- if (!snd_soc_test_bits(widget->codec, reg, val_mask, val))
- return 0;
-
/* find dapm widget path assoc with kcontrol */
list_for_each_entry(path, &widget->codec->dapm_paths, list) {
if (path->kcontrol != kcontrol)
@@ -1276,12 +1281,7 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
/* found, now check type */
found = 1;
- if (val)
- /* new connection */
- path->connect = invert ? 0:1;
- else
- /* old connection must be powered down */
- path->connect = invert ? 1:0;
+ path->connect = connect;
break;
}
@@ -1688,6 +1688,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val, val2, val_mask;
+ int connect;
int ret;
val = (ucontrol->value.integer.value[0] & mask);
@@ -1714,7 +1715,17 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
return 1;
}
- dapm_mixer_update_power(widget, kcontrol, reg, val_mask, val, invert);
+ if (snd_soc_test_bits(widget->codec, reg, val_mask, val)) {
+ if (val)
+ /* new connection */
+ connect = invert ? 0:1;
+ else
+ /* old connection must be powered down */
+ connect = invert ? 1:0;
+
+ dapm_mixer_update_power(widget, kcontrol, connect);
+ }
+
if (widget->event) {
if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
ret = widget->event(widget, kcontrol,
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