Unverified Commit 424fe7ed authored by Olivier Moysan's avatar Olivier Moysan Committed by Mark Brown
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ASoC: stm32: i2s: fix 32 bits channel length without mclk 



Fix divider calculation in the case of 32 bits channel
configuration, when no master clock is used.

Fixes: e4e6ec7b ("ASoC: stm32: Add I2S driver")

Signed-off-by: default avatarOlivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20211117104404.3832-1-olivier.moysan@foss.st.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cb04d8cd

sound/soc/stm/stm32_i2s.c

+1 −1
Original line number Diff line number Diff line
@@ -700,7 +700,7 @@ static int stm32_i2s_configure_clock(struct snd_soc_dai *cpu_dai, 
		if (ret < 0)

			return ret;



		nb_bits = frame_len * ((cgfr & I2S_CGFR_CHLEN) + 1);

		nb_bits = frame_len * (FIELD_GET(I2S_CGFR_CHLEN, cgfr) + 1);

		ret = stm32_i2s_calc_clk_div(i2s, i2s_clock_rate,

					     (nb_bits * rate));

		if (ret)