ASoC: rsrc-card: remove unused ret

'047000278da3a17f8("ASoC: rsrc-card: cleanup for DPCM")'
cleanuped rsrc-card driver, but then, unused ret was left.
Below warning happen without this patch

${LINUX}/sound/soc/sh/rcar/rsrc-card.c: In function 'rsrc_card_startup':
${LINUX}/sound/soc/sh/rcar/rsrc-card.c:78:6: warning: unused variable \
	'ret' [-Wunused-variable]

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/rcar/rsrc-card.c b/sound/soc/sh/rcar/rsrc-card.c
index 8caca2e180c39122d9fcb340d525c04cbfec1817..84e935711e29e4424d560b3381b6357af6b84c00 100644 (file)
--- a/sound/soc/sh/rcar/rsrc-card.c
+++ b/sound/soc/sh/rcar/rsrc-card.c
@@ -75,8 +75,6 @@ static int rsrc_card_startup(struct snd_pcm_substream *substream)
        struct rsrc_card_priv *priv =   snd_soc_card_get_drvdata(rtd->card);
        struct rsrc_card_dai *dai_props =
                rsrc_priv_to_props(priv, rtd - rtd->card->rtd);
-       int ret;
-
 
        return clk_prepare_enable(dai_props->clk);
 }