[alsa-devel] ASoC: pll/clkdiv issue with simple-card driver & WM8510/Atmel SSC
25 Sep
2017
25 Sep
'17
4:31 p.m.
Hi,
I think simple-card doesn't have .set_pll / .set_clkdiv feature today. You can add such feature if needed.
Implementing such a feature into simple-card driver alone might not be possible, as the PLL output frequency and resulting MCLK/BCLK divisors are codec dependent.
I wonder if the right place would be within the codec driver, after all? The machine code would just request a certain bitclock frequency and frame length in case the codec is selected to be the clock master.
Is this in line with ASoC architecture?
-Jukka
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jukka.hynninen@vaisala.com