[alsa-devel] [PATCH] ASoC: omap: constify snd_soc_ops structures

Sebastian Reichel sre at kernel.org
Mon Mar 20 01:53:26 CET 2017


Hi,

On Sat, Mar 18, 2017 at 07:34:11PM +0530, Bhumika Goyal wrote:
> Declare snd_soc_ops structures as const as they are only stored
> in the ops field of a snd_soc_dai_link structure. This field is
> of type const, so snd_soc_ops structures having this property
> can be made const too.
> 
> Cross compiled the .o files for arm architecture.
> 
> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>

I actually noticed this while working on Droid 4's sound support and
added this to my TODO list - stroking it off again now :)

Reviewed-by: Sebastian Reichel <sre at kernel.org>

>  sound/soc/omap/am3517evm.c        | 2 +-
>  sound/soc/omap/n810.c             | 2 +-
>  sound/soc/omap/omap-abe-twl6040.c | 2 +-
>  sound/soc/omap/omap-twl4030.c     | 2 +-
>  sound/soc/omap/omap3pandora.c     | 2 +-
>  sound/soc/omap/osk5912.c          | 2 +-
>  sound/soc/omap/rx51.c             | 2 +-
>  7 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c
> index 25a33e9..d565102 100644
> --- a/sound/soc/omap/am3517evm.c
> +++ b/sound/soc/omap/am3517evm.c
> @@ -49,7 +49,7 @@ static int am3517evm_hw_params(struct snd_pcm_substream *substream,
>  	return ret;
>  }
>  
> -static struct snd_soc_ops am3517evm_ops = {
> +static const struct snd_soc_ops am3517evm_ops = {
>  	.hw_params = am3517evm_hw_params,
>  };
>  
> diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c
> index fdecb70..71e5f31 100644
> --- a/sound/soc/omap/n810.c
> +++ b/sound/soc/omap/n810.c
> @@ -124,7 +124,7 @@ static int n810_hw_params(struct snd_pcm_substream *substream,
>  	return err;
>  }
>  
> -static struct snd_soc_ops n810_ops = {
> +static const struct snd_soc_ops n810_ops = {
>  	.startup = n810_startup,
>  	.hw_params = n810_hw_params,
>  	.shutdown = n810_shutdown,
> diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c
> index 89fe95e..614b18d 100644
> --- a/sound/soc/omap/omap-abe-twl6040.c
> +++ b/sound/soc/omap/omap-abe-twl6040.c
> @@ -70,7 +70,7 @@ static int omap_abe_hw_params(struct snd_pcm_substream *substream,
>  	return ret;
>  }
>  
> -static struct snd_soc_ops omap_abe_ops = {
> +static const struct snd_soc_ops omap_abe_ops = {
>  	.hw_params = omap_abe_hw_params,
>  };
>  
> diff --git a/sound/soc/omap/omap-twl4030.c b/sound/soc/omap/omap-twl4030.c
> index 7431314..a24b0de 100644
> --- a/sound/soc/omap/omap-twl4030.c
> +++ b/sound/soc/omap/omap-twl4030.c
> @@ -73,7 +73,7 @@ static int omap_twl4030_hw_params(struct snd_pcm_substream *substream,
>  	return snd_soc_runtime_set_dai_fmt(rtd, fmt);
>  }
>  
> -static struct snd_soc_ops omap_twl4030_ops = {
> +static const struct snd_soc_ops omap_twl4030_ops = {
>  	.hw_params = omap_twl4030_hw_params,
>  };
>  
> diff --git a/sound/soc/omap/omap3pandora.c b/sound/soc/omap/omap3pandora.c
> index 732e749..4e3de71 100644
> --- a/sound/soc/omap/omap3pandora.c
> +++ b/sound/soc/omap/omap3pandora.c
> @@ -184,7 +184,7 @@ static int omap3pandora_in_init(struct snd_soc_pcm_runtime *rtd)
>  	return 0;
>  }
>  
> -static struct snd_soc_ops omap3pandora_ops = {
> +static const struct snd_soc_ops omap3pandora_ops = {
>  	.hw_params = omap3pandora_hw_params,
>  };
>  
> diff --git a/sound/soc/omap/osk5912.c b/sound/soc/omap/osk5912.c
> index aa4053b..e409677 100644
> --- a/sound/soc/omap/osk5912.c
> +++ b/sound/soc/omap/osk5912.c
> @@ -68,7 +68,7 @@ static int osk_hw_params(struct snd_pcm_substream *substream,
>  	return err;
>  }
>  
> -static struct snd_soc_ops osk_ops = {
> +static const struct snd_soc_ops osk_ops = {
>  	.startup = osk_startup,
>  	.hw_params = osk_hw_params,
>  	.shutdown = osk_shutdown,
> diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
> index a768457..66ac358 100644
> --- a/sound/soc/omap/rx51.c
> +++ b/sound/soc/omap/rx51.c
> @@ -123,7 +123,7 @@ static int rx51_hw_params(struct snd_pcm_substream *substream,
>  				      SND_SOC_CLOCK_IN);
>  }
>  
> -static struct snd_soc_ops rx51_ops = {
> +static const struct snd_soc_ops rx51_ops = {
>  	.startup = rx51_startup,
>  	.hw_params = rx51_hw_params,
>  };
> -- 
> 2.7.4
> 
> --
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