ASoC: mxs-saif: Handle errors for clk_enable

As the potential failure of the clk_enable(),
it should be better to check it, like mxs_saif_trigger().

Fixes: d0ba4c0 ("ASoC: mxs-saif: set a base clock rate for EXTMASTER mode work")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301081717.3727190-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mxs/mxs-saif.c

@@ -455,7 +455,10 @@ static int mxs_saif_hw_params(struct snd_pcm_substream *substream,
 		* basic clock which should be fast enough for the internal
 		* logic.
 		*/
-		clk_enable(saif->clk);
+		ret = clk_enable(saif->clk);
+		if (ret)
+			return ret;
+
 		ret = clk_set_rate(saif->clk, 24000000);
 		clk_disable(saif->clk);
 		if (ret)