Subject: [alsa-devel] [PATCH] ASoC: samsung: ASoC: samsung: Fix IISMOD setting in i2s_set_sysclk()

From: [email-masked] (Sylwester Nawrocki)
Date: Thu, 20 Nov 2014 11:44:33 +0100

On 20/11/14 11:03, Padmavathi Venna wrote:
> In the i2s_set_sysclk() callback we are currently clearing all bits
> of the IISMOD register in i2s_set_sysclk. It's due to an incorrect
> mask used for the AND operation which is introduced in commit
> a5a56871f804edac93a53b5e871c0e9818fb9033 (ASoC: samsung:
> add support for exynos7 I2S controller) and also adds the missing

The patch looks good to me, I'd just write about the missing break
in a separate sentence, i.e. s/and also adds/. Also add/

> break statement.
> 
> Cc: Sylwester Nawrocki <[email-masked]>
> Signed-off-by: Sylwester Nawrocki <[email-masked]>
> Signed-off-by: Padmavathi Venna <[email-masked]>
> ---
>  sound/soc/samsung/i2s.c |    5 +++--
>  1 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
> index 0df6547..e1ace52 100644
> --- a/sound/soc/samsung/i2s.c
> +++ b/sound/soc/samsung/i2s.c
> @@ -494,7 +494,7 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
>  		if (dir == SND_SOC_CLOCK_IN)
>  			mod |= 1 << i2s_regs->cdclkcon_off;
>  		else
> -			mod &= 0 << i2s_regs->cdclkcon_off;
> +			mod &= ~(1 << i2s_regs->cdclkcon_off);
>  
>  		i2s->rfs = rfs;
>  		break;
> @@ -551,10 +551,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
>  		}
>  
>  		if (clk_id == 0)
> -			mod &= 0 << i2s_regs->rclksrc_off;
> +			mod &= ~(1 << i2s_regs->rclksrc_off);
>  		else
>  			mod |= 1 << i2s_regs->rclksrc_off;
>  
> +		break;
>  	default:
>  		dev_err(&i2s->pdev->dev, "We don't serve that!\n");
>  		return -EINVAL;

--
Regards,
Sylwester