Merge remote-tracking branch 'asoc/topic/pcm3168a' into asoc-next

sound/soc/codecs/pcm3168a.c

@@ -402,10 +402,8 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream,
 	u32 val, mask, shift, reg;
 	unsigned int rate, fmt, ratio, max_ratio;
 	int i, min_frame_size;
-	snd_pcm_format_t format;
 
 	rate = params_rate(params);
-	format = params_format(params);
 
 	ratio = pcm3168a->sysclk / rate;