From: Lee Jones <lee.jo...@linaro.org>

Looks like 'w' has remained unchecked since the driver's inception.

Fixes the following W=1 kernel build warning(s):

 sound/soc/ti/omap-mcbsp-st.c: In function ‘omap_mcbsp_st_chgain’:
 sound/soc/ti/omap-mcbsp-st.c:145:6: warning: variable ‘w’ set but not used 
[-Wunused-but-set-variable]

Peter suggested that the whole read can be removed, so that's
been done too.

Cc: Peter Ujfalusi <peter.ujfal...@ti.com>
Cc: Jarkko Nikula <jarkko.nik...@bitmer.com>
Cc: Samuel Ortiz <samuel.or...@nokia.com>
Cc: linux-o...@vger.kernel.org
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.boss...@linux.intel.com>
---
 sound/soc/ti/omap-mcbsp-st.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sound/soc/ti/omap-mcbsp-st.c b/sound/soc/ti/omap-mcbsp-st.c
index 5a32b54bbf3b..0bc7d26c660a 100644
--- a/sound/soc/ti/omap-mcbsp-st.c
+++ b/sound/soc/ti/omap-mcbsp-st.c
@@ -142,11 +142,8 @@ static void omap_mcbsp_st_fir_write(struct omap_mcbsp 
*mcbsp, s16 *fir)
 
 static void omap_mcbsp_st_chgain(struct omap_mcbsp *mcbsp)
 {
-       u16 w;
        struct omap_mcbsp_st_data *st_data = mcbsp->st_data;
 
-       w = MCBSP_ST_READ(mcbsp, SSELCR);
-
        MCBSP_ST_WRITE(mcbsp, SGAINCR, ST_CH0GAIN(st_data->ch0gain) |
                       ST_CH1GAIN(st_data->ch1gain));
 }
-- 
2.25.1

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