Re: [PATCH] ASoC: Tegra: Enable Kaen HP_MUTE at boot

Liam Girdwood
2011-05-27T09:19:43Z

On 26/05/11 19:46, Stephen Warren wrote:
> We want the default state of the HP_MUTE signal to be asserted, so that
> the headphones are muted before the first audio playback. Without this,
> the headphones are left unmuted until shortly after the first audio
> playback completes.
>
> Signed-off-by: Stephen Warren <swarren@nvidia.com>
> ---
> sound/soc/tegra/tegra_wm8903.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
> index 0d6738a..a42e9ac 100644
> --- a/sound/soc/tegra/tegra_wm8903.c
> +++ b/sound/soc/tegra/tegra_wm8903.c
> @@ -267,7 +267,7 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
> }
> machine->gpio_requested |= GPIO_HP_MUTE;
>
> - gpio_direction_output(pdata->gpio_hp_mute, 0);
> + gpio_direction_output(pdata->gpio_hp_mute, 1);
> }
>
> if (gpio_is_valid(pdata->gpio_int_mic_en)) {

Acked-by: Liam Girdwood <lrg@ti.com>