diff mbox series

[stable,4.19,14/17] ASoC: stm32: i2s: fix 16 bit format support

Message ID 20191128165002.6234-15-mathieu.poirier@linaro.org (mailing list archive)
State New, archived
Headers show
Series candidates for stable 4.19.y | expand

Commit Message

Mathieu Poirier Nov. 28, 2019, 4:49 p.m. UTC 
From: Olivier Moysan <olivier.moysan@st.com>

commit 0c4c68d6fa1bae74d450e50823c24fcc3cd0b171 upstream

I2S supports 16 bits data in 32 channel length.
However the expected driver behavior, is to
set channel length to 16 bits when data format is 16 bits.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable <stable@vger.kernel.org> # 4.19
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
 sound/soc/stm/stm32_i2s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
index 449bb7049a28..004d83091505 100644
--- a/sound/soc/stm/stm32_i2s.c
+++ b/sound/soc/stm/stm32_i2s.c
@@ -501,7 +501,7 @@  static int stm32_i2s_configure(struct snd_soc_dai *cpu_dai,
 	switch (format) {
 	case 16:
 		cfgr = I2S_CGFR_DATLEN_SET(I2S_I2SMOD_DATLEN_16);
-		cfgr_mask = I2S_CGFR_DATLEN_MASK;
+		cfgr_mask = I2S_CGFR_DATLEN_MASK | I2S_CGFR_CHLEN;
 		break;
 	case 32:
 		cfgr = I2S_CGFR_DATLEN_SET(I2S_I2SMOD_DATLEN_32) |