[linux-sunxi] [PATCH 01/16] ASoC: sun4i-i2s: Add support for H6 I2S

Samuel Holland samuel at sholland.org
Sat Jul 11 03:43:05 CEST 2020


Jernej,

On 7/10/20 2:22 PM, Jernej Škrabec wrote:
>> From the description in the manual, this looks off by one. The number of
>> BCLKs per LRCK is LRCK_PERIOD + 1.
> 
> Are you sure? Macro SUN8I_I2S_FMT0_LRCK_PERIOD() is defined as follows:
> 
> #define SUN8I_I2S_FMT0_LRCK_PERIOD(period)	((period - 1) << 8)
> 
> which already lowers value by 1.

No, sorry, I had missed the subtraction happening in the macro. So there's no
problem here.

Thanks,
Samuel


More information about the Alsa-devel mailing list