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ASoC: Ensure all DAPM widgets have a power check callback 

Makes the code simpler.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-09-28 18:23:53 +01:00
parent f9de6d741d
commit 35c64bcad5
1 changed files with 8 additions and 3 deletions
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11
sound/soc/soc-dapm.c
View File

@ -857,6 +857,11 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
return power;
}
static int dapm_always_on_check_power(struct snd_soc_dapm_widget *w)
{
return 1;
}
static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
struct snd_soc_dapm_widget *b,
bool power_up)
@ -1229,9 +1234,6 @@ static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
break;
default:
if (!w->power_check)
break;
if (!w->force)
power = w->power_check(w);
else
@ -2090,6 +2092,9 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
break;
}
if (!w->power_check)
w->power_check = dapm_always_on_check_power;
/* Read the initial power state from the device */
if (w->reg >= 0) {
val = soc_widget_read(w, w->reg);