Re: [PATCH V2 5/5] Input: arizona-haptics - Use SoC component pin control functions

From: Dmitry Torokhov
Date: Tue Nov 29 2016 - 20:41:49 EST


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 <rf@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

> ---
> 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