[alsa-devel] [PATCH RFT] ASoC: lm49453: Fix mask for setting mode bit in lm49453_set_dai_fmt()

Omair M. Abdullah omair.m.abdullah at intel.com
Mon Dec 24 06:38:22 CET 2012


On Fri, Dec 21, 2012 at 09:19:20AM +0800, Axel Lin wrote:
> The mode variable is either 0 or 1.
> To update mode setting, the mask should be BIT(0) rather than BIT(1).
> 
> Signed-off-by: Axel Lin <axel.lin at ingics.com>
> ---
> Hi M R Swami,
> I don't have the datasheet. Can you check if this patch is correct?
Yes, according to the datasheet the STEREO mode is BIT(0).

> Thanks,
> Axel
>  sound/soc/codecs/lm49453.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/codecs/lm49453.c b/sound/soc/codecs/lm49453.c
> index d75257d..c0d203b 100644
> --- a/sound/soc/codecs/lm49453.c
> +++ b/sound/soc/codecs/lm49453.c
> @@ -1218,7 +1218,7 @@ static int lm49453_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
>  	}
>  
>  	snd_soc_update_bits(codec, LM49453_P0_AUDIO_PORT1_BASIC_REG,
> -			    LM49453_AUDIO_PORT1_BASIC_FMT_MASK|BIT(1)|BIT(5),
> +			    LM49453_AUDIO_PORT1_BASIC_FMT_MASK|BIT(0)|BIT(5),
>  			    (aif_val | mode | clk_phase));
>  
>  	snd_soc_write(codec, LM49453_P0_AUDIO_PORT1_RX_MSB_REG, clk_shift);
> -- 
> 1.7.9.5
> 
> 
> 
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