# Re: \[PATCH v2 08/11\] ASoC: SDCA: make find\_sdca\_control\_reset() return void

- From: Pierre-Louis Bossart \<pierre-louis.bossart@linux.dev\>
- Date: 2026-09-07 11:32:34 
- List: linux-devicetree
- Page: https://ratatoskr.run/linux-devicetree/2026/09/17524745
- Thread: https://ratatoskr.run/linux-sound/2026/09/17523622/t.md

```text
On 9/7/26 10:37, Srinivas Kandagatla wrote:
> find_sdca_control_reset() only ever returns 0 -- it just sets
> control->has_reset / control->reset for the framework-known
> (entity type, control selector) mappings.  The int return + caller
> error check in find_sdca_entity_control() are dead code.
> 
> Convert to void and drop the check.  No functional change.
> 
> Signed-off-by: Srinivas Kandagatla <redacted>

That looks also unrelated to DT stuff, not sure it belongs here as patch
08/11

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>

> ---
>  sound/soc/sdca/sdca_functions.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/sound/soc/sdca/sdca_functions.c b/sound/soc/sdca/sdca_functions.c
> index 25f95575c731..68a50552f4e4 100644
> --- a/sound/soc/sdca/sdca_functions.c
> +++ b/sound/soc/sdca/sdca_functions.c
> @@ -922,8 +922,8 @@ static int find_sdca_control_value(struct device *dev, struct sdca_entity *entit
>  	return 0;
>  }
>  
> -static int find_sdca_control_reset(const struct sdca_entity *entity,
> -				   struct sdca_control *control)
> +static void find_sdca_control_reset(const struct sdca_entity *entity,
> +				    struct sdca_control *control)
>  {
>  	switch (SDCA_CTL_TYPE(entity->type, control->sel)) {
>  	case SDCA_CTL_TYPE_S(FU, AGC):
> @@ -950,8 +950,6 @@ static int find_sdca_control_reset(const struct sdca_entity *entity,
>  	default:
>  		break;
>  	}
> -
> -	return 0;
>  }
>  
>  static int find_sdca_entity_control(struct device *dev, struct sdca_entity *entity,
> @@ -1032,9 +1030,7 @@ static int find_sdca_entity_control(struct device *dev, struct sdca_entity *enti
>  
>  	control->is_volatile = find_sdca_control_volatile(entity, control);
>  
> -	ret = find_sdca_control_reset(entity, control);
> -	if (ret)
> -		return ret;
> +	find_sdca_control_reset(entity, control);
>  
>  	ret = find_sdca_control_range(dev, control_node, &control->range);
>  	if (ret) {

```