On Tue, Nov 29, 2016 at 03:44:42PM +0000, Richard Fitzgerald wrote:
> The name of a codec pin can have an optional prefix string, which is
> defined by the SoC machine driver. The snd_soc_dapm_x_pin functions
> take the fully-specified name including the prefix and so the existing
> code would fail to find the pin if the audio machine driver had added
> a prefix.
> 
> Switch to using the snd_soc_component_x_pin equivalent functions that
> take a specified SoC component and automatically add the name prefix to
> the provided pin name.
> 
> Signed-off-by: Richard Fitzgerald <[email protected]>

Acked-by: Dmitry Torokhov <[email protected]>

> ---
>  drivers/input/misc/arizona-haptics.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/input/misc/arizona-haptics.c 
> b/drivers/input/misc/arizona-haptics.c
> index 9829363..07ec465 100644
> --- a/drivers/input/misc/arizona-haptics.c
> +++ b/drivers/input/misc/arizona-haptics.c
> @@ -37,6 +37,8 @@ static void arizona_haptics_work(struct work_struct *work)
>                                                      struct arizona_haptics,
>                                                      work);
>       struct arizona *arizona = haptics->arizona;
> +     struct snd_soc_component *component =
> +             snd_soc_dapm_to_component(arizona->dapm);
>       int ret;
>  
>       if (!haptics->arizona->dapm) {
> @@ -66,7 +68,7 @@ static void arizona_haptics_work(struct work_struct *work)
>                       return;
>               }
>  
> -             ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS");
> +             ret = snd_soc_component_enable_pin(component, "HAPTICS");
>               if (ret != 0) {
>                       dev_err(arizona->dev, "Failed to start HAPTICS: %d\n",
>                               ret);
> @@ -81,7 +83,7 @@ static void arizona_haptics_work(struct work_struct *work)
>               }
>       } else {
>               /* This disable sequence will be a noop if already enabled */
> -             ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS");
> +             ret = snd_soc_component_disable_pin(component, "HAPTICS");
>               if (ret != 0) {
>                       dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n",
>                               ret);
> @@ -140,11 +142,14 @@ static int arizona_haptics_play(struct input_dev 
> *input, void *data,
>  static void arizona_haptics_close(struct input_dev *input)
>  {
>       struct arizona_haptics *haptics = input_get_drvdata(input);
> +     struct snd_soc_component *component;
>  
>       cancel_work_sync(&haptics->work);
>  
> -     if (haptics->arizona->dapm)
> -             snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS");
> +     if (haptics->arizona->dapm) {
> +             component = snd_soc_dapm_to_component(haptics->arizona->dapm);
> +             snd_soc_component_disable_pin(component, "HAPTICS");
> +     }
>  }
>  
>  static int arizona_haptics_probe(struct platform_device *pdev)
> -- 
> 1.9.1
> 

-- 
Dmitry

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