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ASoC: snd_soc_dapm_get_pin_status: Match other contexts too

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Not all widgets on a card are within the codec's DAPM context. Fix
snd_soc_dapm_get_pin_status to search all contexts when looking for a
widget.

This change is required when modifying tegra_wm8903 to use
snd_soc_card.widgets rather than calling snd_soc_dapm_new_controls; the
former adds the widgets to the card's DAPM context, whereas tegra_wm8903
uses the codec's DAPM context when calling snd_soc_dapm_new_controls.

By code inspection, I suspect this also applies to Samsung Speyside.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Stephen Warren 2011-04-19 15:25:11 -06:00 committed by Mark Brown
parent a32955dba2
commit a68b38ada5
1 changed files with 6 additions and 0 deletions
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6
sound/soc/soc-dapm.c
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@ -2403,6 +2403,12 @@ int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
return w->connected;
}
/* Try again in other contexts */
list_for_each_entry(w, &dapm->card->widgets, list) {
if (!strcmp(w->name, pin))
return w->connected;
}
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);