[alsa-devel] [PATCH 1/6] ASoC: ad1980: Stay in 20bit mode for architectures other than blackfin

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Aug 27 20:06:32 CEST 2010


On Tue, Aug 24, 2010 at 03:09:39PM +0200, Uwe Kleine-K??nig wrote:
> From: Sascha Hauer <s.hauer at pengutronix.de>
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> Signed-off-by: Uwe Kleine-K??nig <u.kleine-koenig at pengutronix.de>

Please remember to CC maintainers on patches.

> ---
>  sound/soc/codecs/ad1980.c |   10 +++++++++-
>  1 files changed, 9 insertions(+), 1 deletions(-)
> 
> diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
> index 70cfaec..35c0580 100644
> --- a/sound/soc/codecs/ad1980.c
> +++ b/sound/soc/codecs/ad1980.c
> @@ -168,13 +168,21 @@ retry:
>  	}
>  
>  	soc_ac97_ops.reset(codec->ac97);
> +
> +#ifdef SND_BF5XX_SOC_AD1980
>  	/* Set bit 16slot in register 74h, then every slot will has only 16
>  	 * bits. This command is sent out in 20bit mode, in which case the
> -	 * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/
> +	 * first nibble of data is eaten by the addr. (Tag is always 16 bit).
> +	 *
> +	 * This seems to be blackfin specific. On other systems we want 20bit
> +	 * mode.
> +	 */
>  	ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
> +#endif

If you're going to ifdef this out you should be ifdefing it based on the
architecture or the AC'97 controller rather than a specific machine
driver.

>  	if (ac97_read(codec, AC97_RESET)  != 0x0090)
>  		goto err;
> +
>  	return 0;

Random whitespace change...


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