ASoC: fsl_micfil: Drop unused register read

In get_pdm_clk() REG_MICFIL_CTRL2 is read, but the result is never used.
Drop the unused code.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20220414162249.3934543-3-s.hauer@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 64019d003784b0de74aaec597c0f87ceb05176a6..cf10c212d770d5f739af12df1c53e6dce2fb0616 100644 (file)
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -148,12 +148,9 @@ static inline int get_pdm_clk(struct fsl_micfil *micfil,
 static inline int get_clk_div(struct fsl_micfil *micfil,
                              unsigned int rate)
 {
-       u32 ctrl2_reg;
        long mclk_rate;
        int clk_div;
 
-       regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg);
-
        mclk_rate = clk_get_rate(micfil->mclk);
 
        clk_div = mclk_rate / (get_pdm_clk(micfil, rate) * 2);