openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: add Component level .read/.write 

In current ALSA SoC, Codec only has .read/.write callback.
Codec will be merged into Component in next generation ALSA SoC,
thus current Codec specific feature need to be merged into it.
This is glue patch for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2018-01-16 02:00:59 +00:00 committed by Mark Brown
parent b9f902b7fd
commit d0ff8ba57d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/sound/soc.h
View File

@ -802,6 +802,9 @@ struct snd_soc_component_driver {
int (*suspend)(struct snd_soc_component *);
int (*resume)(struct snd_soc_component *);
unsigned int (*read)(struct snd_soc_component *, unsigned int);
int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
/* pcm creation and destruction */
int (*pcm_new)(struct snd_soc_pcm_runtime *);
void (*pcm_free)(struct snd_pcm *);

6
sound/soc/soc-io.c
View File

@ -34,6 +34,10 @@ int snd_soc_component_read(struct snd_soc_component *component,
ret = regmap_read(component->regmap, reg, val);
else if (component->read)
ret = component->read(component, reg, val);
else if (component->driver->read) {
*val = component->driver->read(component, reg);
ret = 0;
}
else
ret = -EIO;
@ -70,6 +74,8 @@ int snd_soc_component_write(struct snd_soc_component *component,
return regmap_write(component->regmap, reg, val);
else if (component->write)
return component->write(component, reg, val);
else if (component->driver->write)
return component->driver->write(component, reg, val);
else
return -EIO;
}