From: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> [ Upstream commit 102cefc8e879b707be0024fdc7bce1deeb359a5f ] In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: In file included from sound/soc/codecs/ab8500-codec.c:24: sound/soc/codecs/ab8500-codec.c: In function ‘ab8500_codec_set_dai_fmt’: ./include/linux/device.h:1485:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/codecs/ab8500-codec.c:2129:3: note: in expansion of macro ‘dev_err’ dev_err(dai->component->dev, ^~~~~~~ sound/soc/codecs/ab8500-codec.c:2132:2: note: here default: ^~~~~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- sound/soc/codecs/ab8500-codec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index 935ff7cb71c5..755007d7727e 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -2129,6 +2129,7 @@ static int ab8500_codec_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) dev_err(dai->codec->dev, "%s: ERROR: The device is either a master or a slave.\n", __func__); + /* fall through */ default: dev_err(dai->codec->dev, "%s: ERROR: Unsupporter master mask 0x%x\n", -- 2.19.1