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

Zhang, Sonic Sonic.Zhang at analog.com
Wed Aug 25 05:28:48 CEST 2010


Hi Sascha,

The ad1980 from ADI is obsolete. We have no plan to maintain this driver any more.


Thanks


Sonic

>-----Original Message-----
>From: u.kleine-koenig at pengutronix.de 
>[mailto:u.kleine-koenig at pengutronix.de] 
>Sent: Tuesday, August 24, 2010 9:10 PM
>To: alsa-devel at alsa-project.org; Zhang, Sonic
>Cc: Sascha Hauer
>Subject: [PATCH 1/6] ASoC: ad1980: Stay in 20bit mode for 
>architectures other than blackfin
>
>From: Sascha Hauer <s.hauer at pengutronix.de>
>
>Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
>Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
>---
> 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 (ac97_read(codec, AC97_RESET)  != 0x0090)
> 		goto err;
>+
> 	return 0;
> 
> err:
>--
>1.7.1
>
>


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