[alsa-devel] [PATCH] ASoC: wm8741: Fix setting BCLK and LRCLK polarity
Charles Keepax
ckeepax at opensource.cirrus.com
Fri Nov 3 12:18:31 CET 2017
On Thu, Nov 02, 2017 at 02:23:02PM +0100, Sergej Sawazki wrote:
> After checking the code and the datasheet, it seems like we are handling
> the clock inversion (SND_SOC_DAIFMT_NB_IF and SND_SOC_DAIFMT_IB_IF) not
> correctly.
>
> >From the datasheet (Table 58):
> R5 Format Control, BITS[5:4], [BCP:LRP]:
> (0) 00 = normal BCLK, normal LRCLK
> (1) 01 = normal BCLK, inverted LRCLK <-- Fix this
> (2) 10 = inverted BCLK, normal LRCLK
> (3) 11 = inverted BCLK, inverted LRCLK <-- Fix this
>
> Signed-off-by: Sergej Sawazki <sergej at taudac.com>
> ---
Acked-by: Charles Keepax <ckeepax at opensource.cirrus.com>
Thanks,
Charle
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