Re: [PATCH 2/7] ASoC: atmel_ssc_dai: Fix TCMR settings in I2S slave mode

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This one needs a proper git message because it is not obvious what this
is fixing.

Also, this doesn't exactly fix salve mode. Instead it is enabled
synchronous mode. Maybe we need a new DT property to handle sychronous
RX/TX. Probably something like what is done here:

https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/sound/fsl-sai.txt#L39

But our default would be asynchronous.


On 30/01/2018 at 12:08:10 +0100, Ladislav Michl wrote:
> Signed-off-by: Ladislav Michl <ladis@xxxxxxxxxxxxxx>
> ---
>  sound/soc/atmel/atmel_ssc_dai.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
> index a1e2c5682dcd..8e145487cb18 100644
> --- a/sound/soc/atmel/atmel_ssc_dai.c
> +++ b/sound/soc/atmel/atmel_ssc_dai.c
> @@ -647,7 +647,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
>  
>  		tcmr =	  SSC_BF(TCMR_PERIOD, 0)
>  			| SSC_BF(TCMR_STTDLY, START_DELAY)
> -			| SSC_BF(TCMR_START, SSC_START_FALLING_RF)
> +			| SSC_BF(TCMR_START, SSC_START_TX_RX)
>  			| SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
>  			| SSC_BF(TCMR_CKO, SSC_CKO_NONE)
>  			| SSC_BF(TCMR_CKS, ssc->clk_from_rk_pin ?
> -- 
> 2.15.1
> 

-- 
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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