The ASoC core does no not modify the driver of a platform. Making it const allows ASoC platform drivers to declare the snd_soc_platform_driver struct as const.

Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- include/sound/soc.h | 4 ++-- sound/soc/soc-core.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h index 1ffe9d4..e666119 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -373,7 +373,7 @@ int snd_soc_suspend(struct device *dev); int snd_soc_resume(struct device *dev); int snd_soc_poweroff(struct device *dev); int snd_soc_register_platform(struct device *dev, - struct snd_soc_platform_driver *platform_drv); + const struct snd_soc_platform_driver *platform_drv); void snd_soc_unregister_platform(struct device *dev); int snd_soc_register_codec(struct device *dev, const struct snd_soc_codec_driver *codec_drv, @@ -829,7 +829,7 @@ struct snd_soc_platform { const char *name; int id; struct device *dev; - struct snd_soc_platform_driver *driver; + const struct snd_soc_platform_driver *driver; struct mutex mutex;

unsigned int suspended:1; /* platform is suspended */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 561d589..7bf21a1 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3905,7 +3905,7 @@ static void snd_soc_unregister_dais(struct device *dev, size_t count) * @platform: platform to register */ int snd_soc_register_platform(struct device *dev, - struct snd_soc_platform_driver *platform_drv) + const struct snd_soc_platform_driver *platform_drv) { struct snd_soc_platform *platform;