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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2017-06-16 02:02:59 +0200
committerMark Brown <broonie@kernel.org>2017-06-21 13:14:04 +0200
commit947f4eb58d2054b10a1d8146d0ab90b0e7fd3494 (patch)
treeefb22b113d41a780077bae2dc787397a53e90090 /sound
parentASoC: rsnd: add rsnd_soc_hw_rule/constraint() (diff)
downloadlinux-947f4eb58d2054b10a1d8146d0ab90b0e7fd3494.tar.xz
linux-947f4eb58d2054b10a1d8146d0ab90b0e7fd3494.zip
ASoC: rsnd: fixup unsigned expression compared with zero: main_rate
This patch fixes this WARNING sound/soc/sh/rcar/ssi.c:285:5-14: WARNING: Unsigned expression\ compared with zero: main_rate < 0 Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/sh/rcar/core.c2
-rw-r--r--sound/soc/sh/rcar/rsnd.h2
-rw-r--r--sound/soc/sh/rcar/ssi.c8
3 files changed, 6 insertions, 6 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 4892c0a4b613..409bac331d27 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -763,7 +763,7 @@ static int rsnd_soc_hw_rule(struct rsnd_priv *priv,
struct snd_interval *baseline, struct snd_interval *iv)
{
struct snd_interval p;
- int rate;
+ unsigned int rate;
int i;
snd_interval_any(&p);
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 9428d4e288dd..99c57611df88 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -680,7 +680,7 @@ int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
struct device_node *playback,
struct device_node *capture);
-int rsnd_ssi_clk_query(struct rsnd_priv *priv,
+unsigned int rsnd_ssi_clk_query(struct rsnd_priv *priv,
int param1, int param2, int *idx);
/*
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index c8956c3484dd..46feddd78ee2 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -208,14 +208,14 @@ u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)
return 0;
}
-int rsnd_ssi_clk_query(struct rsnd_priv *priv,
+unsigned int rsnd_ssi_clk_query(struct rsnd_priv *priv,
int param1, int param2, int *idx)
{
int ssi_clk_mul_table[] = {
1, 2, 4, 8, 16, 6, 12,
};
int j, ret;
- int main_rate;
+ unsigned int main_rate;
for (j = 0; j < ARRAY_SIZE(ssi_clk_mul_table); j++) {
@@ -245,7 +245,7 @@ int rsnd_ssi_clk_query(struct rsnd_priv *priv,
return main_rate;
}
- return -EINVAL;
+ return 0;
}
static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
@@ -282,7 +282,7 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
}
main_rate = rsnd_ssi_clk_query(priv, rate, chan, &idx);
- if (main_rate < 0) {
+ if (!main_rate) {
dev_err(dev, "unsupported clock rate\n");
return -EIO;
}