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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: e4e6ec7b12 ("ASoC: stm32: Add I2S driver")

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20211117104404.3832-1-olivier.moysan@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Olivier Moysan 2021-11-17 11:44:04 +01:00 committed by Mark Brown
parent cb04d8cd0b
commit 424fe7edbe
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 1 deletions
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2
sound/soc/stm/stm32_i2s.c
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@ -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)