This is a note to let you know that I've just added the patch titled
ASoC: fsl_micfil: Drop unnecessary register read
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-fsl_micfil-drop-unnecessary-register-read.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 40c9956d9e43bfbd00ada41fdadd47889d0f9ece
Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Date: Thu Apr 14 18:22:29 2022 +0200
ASoC: fsl_micfil: Drop unnecessary register read
[ Upstream commit c808e277bcdfce37aed80a443be305ac1aec1623 ]
in get_pdm_clk() REG_MICFIL_CTRL2 is read twice. Drop second read.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Acked-by: Shengjiu Wang <shengjiu.wang@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220414162249.3934543-2-s.hauer@xxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Stable-dep-of: 06df673d2023 ("ASoC: fsl_micfil: fix regmap_write_bits usage")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 6285ee8f829e5..a69237b7f564a 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -117,8 +117,6 @@ static inline int get_pdm_clk(struct fsl_micfil *micfil,
regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg);
osr = 16 - ((ctrl2_reg & MICFIL_CTRL2_CICOSR_MASK)
>> MICFIL_CTRL2_CICOSR_SHIFT);
-
- regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg);
qsel = ctrl2_reg & MICFIL_CTRL2_QSEL_MASK;
switch (qsel) {
