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authorOlivier Moysan <olivier.moysan@foss.st.com>2021-11-17 11:44:04 +0100
committerMark Brown <broonie@kernel.org>2021-11-17 13:04:38 +0000
commit424fe7edbed18d47f7b97f7e1322a6f8969b77ae (patch)
tree0aa8385dfd913069b11d1ec29c75206a3e1c02e0
parentcb04d8cd0bb0b82acc34cc73cb33ae77cbfb020d (diff)
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: e4e6ec7b127c ("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>
-rw-r--r--sound/soc/stm/stm32_i2s.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 6254bacad6eb..717f45a83445 100644
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -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)