ASoC: sh: rz-ssi: Make return type of rz_ssi_stream_is_valid() to bool

rz_ssi_stream_is_valid() never returns an int, it returns the result of
a condition which is either true or false.

While at it, drop "!!" as the expression is boolean.

Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220110094711.8574-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/rz-ssi.c b/sound/soc/sh/rz-ssi.c
index cbd8e1f3ac2e0c6f756b612336b8e43d917b10d2..81e1786b827dd1e0e7a859e1e4b6a5c15abaffb1 100644 (file)
--- a/sound/soc/sh/rz-ssi.c
+++ b/sound/soc/sh/rz-ssi.c
@@ -188,14 +188,14 @@ static inline bool rz_ssi_is_dma_enabled(struct rz_ssi_priv *ssi)
        return (ssi->playback.dma_ch && (ssi->dma_rt || ssi->capture.dma_ch));
 }
 
-static int rz_ssi_stream_is_valid(struct rz_ssi_priv *ssi,
-                                 struct rz_ssi_stream *strm)
+static bool rz_ssi_stream_is_valid(struct rz_ssi_priv *ssi,
+                                  struct rz_ssi_stream *strm)
 {
        unsigned long flags;
-       int ret;
+       bool ret;
 
        spin_lock_irqsave(&ssi->lock, flags);
-       ret = !!(strm->substream && strm->substream->runtime);
+       ret = strm->substream && strm->substream->runtime;
        spin_unlock_irqrestore(&ssi->lock, flags);
 
        return ret;