[PATCH] ASoC: kirkwood-i2s: fix a compilation warning

[Jean-Francois Moine]

In the function kirkwood_set_rate, when the rate cannot be satisfied
by the internal nor by an external clock, the clock source in undefined:

 warning: âclks_ctrlâ may be used uninitialized in this function

As the ALSA subsystem should never gives such a rate, this patch removes
the check of the external clock pointer.

Signed-off-by: Jean-Francois Moine <moinejf@xxxxxxx>
---
 sound/soc/kirkwood/kirkwood-i2s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 4c9dad3..8da5cdb 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -111,7 +111,7 @@ static void kirkwood_set_rate(struct snd_soc_dai *dai,
 		kirkwood_set_dco(priv->io, rate);
 
 		clks_ctrl = KIRKWOOD_MCLK_SOURCE_DCO;
-	} else if (!IS_ERR(priv->extclk)) {
+	} else {
 		/* use optional external clk for other rates */
 		dev_dbg(dai->dev, "%s: extclk set rate = %lu -> %lu\n",
 			__func__, rate, 256 * rate);

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