In zx_i2s_hw_params(), 'format' is initialized and assigned bits based on params_format, but never used. So remove it. sound/soc/zte/zx296702-i2s.c: In function ‘zx_i2s_hw_params’: sound/soc/zte/zx296702-i2s.c:228:21: warning: variable ‘format’ set but not used [-Wunused-but-set-variable] unsigned long val, format; Cc: Jun Nie <jun.nie@xxxxxxxxxx> Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx> --- sound/soc/zte/zx296702-i2s.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/sound/soc/zte/zx296702-i2s.c b/sound/soc/zte/zx296702-i2s.c index 1cad93dc1fcf..ed7a56d1ef54 100644 --- a/sound/soc/zte/zx296702-i2s.c +++ b/sound/soc/zte/zx296702-i2s.c @@ -225,7 +225,7 @@ static int zx_i2s_hw_params(struct snd_pcm_substream *substream, struct zx_i2s_info *i2s = snd_soc_dai_get_drvdata(socdai); struct snd_dmaengine_dai_dma_data *dma_data; unsigned int lane, ch_num, len, ret = 0; - unsigned long val, format; + unsigned long val; unsigned long chn_cfg; dma_data = snd_soc_dai_get_dma_data(socdai, substream); @@ -238,15 +238,12 @@ static int zx_i2s_hw_params(struct snd_pcm_substream *substream, switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: - format = 0; len = 16; break; case SNDRV_PCM_FORMAT_S24_LE: - format = 1; len = 24; break; case SNDRV_PCM_FORMAT_S32_LE: - format = 2; len = 32; break; default: -- 1.9.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel