[PATCH] ASoC: Add card driver data

[PATCH] ASoC: Add card driver data

[Mark Brown]

Provide driver data for cards within the card structure. To simplify the
implementation of the PM operations we don't use the struct device driver
data as this is used by the core to retrieve the card in callbacks from
the device model and PM core.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
 include/sound/soc.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 7ecdaef..4b6c0a8 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -705,6 +705,8 @@ struct snd_soc_card {
 	struct dentry *debugfs_pop_time;
 #endif
 	u32 pop_time;
+
+	void *drvdata;
 };
 
 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
@@ -756,6 +758,17 @@ unsigned int snd_soc_write(struct snd_soc_codec *codec,
 
 /* device driver data */
 
+static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
+		void *data)
+{
+	card->drvdata = data;
+}
+
+static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
+{
+	return card->drvdata;
+}
+
 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
 		void *data)
 {
-- 
1.7.2.3

Re: [PATCH] ASoC: Add card driver data

[Liam Girdwood]

On Fri, 2011-01-28 at 13:15 +0000, Mark Brown wrote:
> Provide driver data for cards within the card structure. To simplify the
> implementation of the PM operations we don't use the struct device driver
> data as this is used by the core to retrieve the card in callbacks from
> the device model and PM core.
> 
> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

Acked-by: Liam Girdwood <lrg@slimlogic.oc.uk>
-- 
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk

Re: [PATCH] ASoC: Add card driver data

[Stephen Warren]

Liam Girdwood wrote on Friday, January 28, 2011 6:20 AM:
> 
> On Fri, 2011-01-28 at 13:15 +0000, Mark Brown wrote:
> > Provide driver data for cards within the card structure. To simplify the
> > implementation of the PM operations we don't use the struct device
> driver
> > data as this is used by the core to retrieve the card in callbacks from
> > the device model and PM core.
> >
> > Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
> 
> Acked-by: Liam Girdwood <lrg@slimlogic.oc.uk>

Thanks. This is obviously exactly what I need too.

-- 
nvpublic