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ASoC: ac97: Support multi-platform AC'97

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Currently we can only have a single platform built in with AC'97 support
due to the use of a global variable to provide the bus operations. Fix
this by making that variable a pointer and having the bus drivers set the
operations prior to registering.

This is not a particularly good or nice approach but it avoids blocking
multiplatform and a real fix involves fixing the fairly deep problems
with AC'97 support - we should be converting it to a real bus.

Acked-by: Arnd Bergmann <[email protected]>
Reviewed-by: Stephen Warren <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Mark Brown 2013-06-26 12:45:59 +01:00
commit b047e1cce8
20 changed files with 154 additions and 72 deletions
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4
include/sound/soc.h
View file

@ -340,7 +340,7 @@ struct snd_soc_jack_gpio;
typedef int (*hw_write_t)(void *,const char* ,int);
extern struct snd_ac97_bus_ops soc_ac97_ops;
extern struct snd_ac97_bus_ops *soc_ac97_ops;
enum snd_soc_control_type {
SND_SOC_I2C = 1,
@ -467,6 +467,8 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
struct snd_ac97_bus_ops *ops, int num);
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
/*
*Controls
*/