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From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Ladislav Michl <ladis@linux-mips.org>
Cc: alsa-devel@alsa-project.org,
	Charles Keepax <ckeepax@opensource.cirrus.com>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	anish kumar <yesanishhere@gmail.com>
Subject: Re: [PATCH 2/7] ASoC: atmel_ssc_dai: Fix TCMR settings in I2S slave mode
Date: Tue, 27 Feb 2018 18:09:21 +0100	[thread overview]
Message-ID: <20180227170921.GE1479@piout.net> (raw)
In-Reply-To: <20180130110810.GC18123@lenoch>

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@linux-mips.org>
> ---
>  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

  reply	other threads:[~2018-02-27 17:09 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-30 11:06 [PATCH 0/7] Let Atmel use simple-audio-card Ladislav Michl
2018-01-30 11:06 ` [PATCH 1/7] ASoC: atmel: Remove redundant dev_err() call in probe function Ladislav Michl
2018-02-27 16:54   ` Alexandre Belloni
2018-02-27 17:13     ` Nicolas Ferre
2018-03-01 18:06   ` Applied "ASoC: atmel: Remove redundant dev_err() call in probe function" to the asoc tree Mark Brown
2018-01-30 11:08 ` [PATCH 2/7] ASoC: atmel_ssc_dai: Fix TCMR settings in I2S slave mode Ladislav Michl
2018-02-27 17:09   ` Alexandre Belloni [this message]
2018-02-27 18:50     ` Ladislav Michl
2018-01-30 11:08 ` [PATCH 3/7] ASoC: simple_card_utils: Set clock frequency Ladislav Michl
2018-02-27 17:19   ` Alexandre Belloni
2018-01-30 11:09 ` [PATCH 4/7] ASoC: max9867: Show Kconfig entry Ladislav Michl
2018-03-01 18:06   ` Applied "ASoC: max9867: Show Kconfig entry" to the asoc tree Mark Brown
2018-01-30 11:10 ` [PATCH 5/7] ASoC: max9867: Calculate LRCLK divider Ladislav Michl
2018-01-30 11:10 ` [PATCH 6/7] ASoC: max9867: Fix BSEL value in master mode Ladislav Michl
2018-02-27 17:23   ` Alexandre Belloni
2018-02-27 19:03     ` Ladislav Michl
2018-02-28 10:00       ` Alexandre Belloni
2018-02-28 10:23         ` Ladislav Michl
2018-02-28 10:28           ` Alexandre Belloni
2018-01-30 11:11 ` [PATCH 7/7] ASoC: max9867: Take chip out of shutdown Ladislav Michl

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