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ALSA: Allow passing platform_data to devices attached to AC97 bus

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This patch allows passing platform_data to devices attached to AC97 bus
(like touchscreens, battery measurement chips ...).

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Marek Vasut
2009-07-22 13:01:03 +02:00
committed by Mark Brown
parent a7569afa8b
commit 474828a40f
3 changed files with 12 additions and 1 deletions
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6
include/sound/ac97_codec.h
View File

@@ -642,4 +642,10 @@ int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime);
/* ad hoc AC97 device driver access */
extern struct bus_type ac97_bus_type;
/* AC97 platform_data adding function */
static inline void snd_ac97_dev_add_pdata(struct snd_ac97 *ac97, void *data)
{
ac97->dev.platform_data = data;
}
#endif /* __SOUND_AC97_CODEC_H */

1
include/sound/soc-dai.h
View File

@@ -179,6 +179,7 @@ struct snd_soc_dai {
int ac97_control;
struct device *dev;
void *ac97_pdata; /* platform_data for the ac97 codec */
/* DAI callbacks */
int (*probe)(struct platform_device *pdev,