[alsa-devel] [PATCH] ASoC: pxa2xx-i2s: Add clk_prepare/clk_unprepare calls

Philipp Zabel philipp.zabel at gmail.com
Thu Mar 15 19:16:12 CET 2012


This patch adds clk_prepare/clk_unprepare calls to the pxa2xx-i2s
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.

Signed-off-by: Philipp Zabel <philipp.zabel at gmail.com>
Cc: Haojian Zhuang <haojian.zhuang at marvell.com>
Cc: Eric Miao <eric.y.miao at gmail.com>
Cc: Liam Girdwood <lrg at ti.com>
Cc: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/pxa/pxa2xx-i2s.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index 609abd5..453b092 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -165,7 +165,7 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
 	struct pxa2xx_pcm_dma_params *dma_data;
 
 	BUG_ON(IS_ERR(clk_i2s));
-	clk_enable(clk_i2s);
+	clk_prepare_enable(clk_i2s);
 	clk_ena = 1;
 	pxa_i2s_wait();
 
@@ -258,7 +258,7 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream,
 		SACR0 &= ~SACR0_ENB;
 		pxa_i2s_wait();
 		if (clk_ena) {
-			clk_disable(clk_i2s);
+			clk_disable_unprepare(clk_i2s);
 			clk_ena = 0;
 		}
 	}
-- 
1.7.9.1




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