[BACKPORT 4.14.y 13/18] ASoC: tlv320dac31xx: mark expected switch fall-through

[Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>]

From: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx>

commit 09fc38c1af4cb888255e9ecf267bf9757c12885d upstream

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 1195220
Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---
 sound/soc/codecs/tlv320aic31xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c
index d3bd0bf15ddb..cc95c15ceceb 100644
--- a/sound/soc/codecs/tlv320aic31xx.c
+++ b/sound/soc/codecs/tlv320aic31xx.c
@@ -941,7 +941,7 @@ static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
 	case SND_SOC_DAIFMT_I2S:
 		break;
 	case SND_SOC_DAIFMT_DSP_A:
-		dsp_a_val = 0x1;
+		dsp_a_val = 0x1; /* fall through */
 	case SND_SOC_DAIFMT_DSP_B:
 		/*
 		 * NOTE: This CODEC samples on the falling edge of BCLK in
-- 
2.17.1


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