* [PATCH] ASoC: dapm - Add methods to retrieve snd_card and soc_card from dapm context.
@ 2011-07-20 11:23 Liam Girdwood
2011-07-20 20:16 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Liam Girdwood @ 2011-07-20 11:23 UTC (permalink / raw)
To: Mark Brown; +Cc: alsa-devel, Liam Girdwood
In preparation for ASoC Dynamic PCM (AKA DSP) support.
Provide convenience methods to retrieve the soc_card or snd_card from a DAPM context.
Signed-off-by: Liam Girdwood <lrg@ti.com>
---
sound/soc/soc-dapm.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 4205a97..aaef0ef 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -124,6 +124,36 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
}
+/* get snd_card from DAPM context */
+static inline struct snd_card *dapm_get_snd_card(
+ struct snd_soc_dapm_context *dapm)
+{
+ if (dapm->codec)
+ return dapm->codec->card->snd_card;
+ else if (dapm->platform)
+ return dapm->platform->card->snd_card;
+ else
+ BUG();
+
+ /* unreachable */
+ return NULL;
+}
+
+/* get soc_card from DAPM context */
+static inline struct snd_soc_card *dapm_get_soc_card(
+ struct snd_soc_dapm_context *dapm)
+{
+ if (dapm->codec)
+ return dapm->codec->card;
+ else if (dapm->platform)
+ return dapm->platform->card;
+ else
+ BUG();
+
+ /* unreachable */
+ return NULL;
+}
+
static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
{
if (w->codec)
--
1.7.4.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ASoC: dapm - Add methods to retrieve snd_card and soc_card from dapm context.
2011-07-20 11:23 [PATCH] ASoC: dapm - Add methods to retrieve snd_card and soc_card from dapm context Liam Girdwood
@ 2011-07-20 20:16 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2011-07-20 20:16 UTC (permalink / raw)
To: Liam Girdwood; +Cc: alsa-devel
On Wed, Jul 20, 2011 at 12:23:33PM +0100, Liam Girdwood wrote:
> In preparation for ASoC Dynamic PCM (AKA DSP) support.
>
> Provide convenience methods to retrieve the soc_card or snd_card from a DAPM context.
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-07-20 11:23 [PATCH] ASoC: dapm - Add methods to retrieve snd_card and soc_card from dapm context Liam Girdwood
2011-07-20 20:16 ` Mark Brown
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