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ASoC: dapm - Make DAPM reset code a separate function.

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It's useful to export the DAPM reset as a static function for future use
by other DAPM functions. e.g. The dynamic PCM query widgets resets the DAPM
graph before working out active paths.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Liam Girdwood 2012-02-15 15:15:34 +00:00 committed by Mark Brown
parent 65f01ef09e
commit 6c120e19fa
1 changed files with 14 additions and 7 deletions
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21
sound/soc/soc-dapm.c
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@ -169,6 +169,19 @@ static inline struct snd_soc_card *dapm_get_soc_card(
return NULL;
}
static void dapm_reset(struct snd_soc_card *card)
{
struct snd_soc_dapm_widget *w;
memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
list_for_each_entry(w, &card->widgets, list) {
w->power_checked = false;
w->inputs = -1;
w->outputs = -1;
}
}
static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
{
if (w->codec)
@ -1402,13 +1415,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
}
}
memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
list_for_each_entry(w, &card->widgets, list) {
w->power_checked = false;
w->inputs = -1;
w->outputs = -1;
}
dapm_reset(card);
/* Check which widgets we need to power and store them in
* lists indicating if they should be powered up or down. We