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Diffstat (limited to 'sound/soc/pxa/pxa2xx-i2s.c')
-rw-r--r--sound/soc/pxa/pxa2xx-i2s.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
index 9c06553b9267..8f96d87f7b4b 100644
--- a/sound/soc/pxa/pxa2xx-i2s.c
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/delay.h>
+#include <linux/clk.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/initval.h>
@@ -37,6 +38,7 @@ struct pxa_i2s_port {
u32 fmt;
};
static struct pxa_i2s_port pxa_i2s;
+static struct clk *clk_i2s;
static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
.name = "I2S PCM Stereo out",
@@ -79,6 +81,10 @@ static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+ clk_i2s = clk_get(NULL, "I2SCLK");
+ if (IS_ERR(clk_i2s))
+ return PTR_ERR(clk_i2s);
+
if (!cpu_dai->active) {
SACR0 |= SACR0_RST;
SACR0 = 0;
@@ -146,7 +152,7 @@ static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
pxa_gpio_mode(gpio_bus[pxa_i2s.master].tx);
pxa_gpio_mode(gpio_bus[pxa_i2s.master].frm);
pxa_gpio_mode(gpio_bus[pxa_i2s.master].clk);
- pxa_set_cken(CKEN_I2S, 1);
+ clk_enable(clk_i2s);
pxa_i2s_wait();
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
@@ -231,8 +237,10 @@ static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream)
if (SACR1 & (SACR1_DREC | SACR1_DRPL)) {
SACR0 &= ~SACR0_ENB;
pxa_i2s_wait();
- pxa_set_cken(CKEN_I2S, 0);
+ clk_disable(clk_i2s);
}
+
+ clk_put(clk_i2s);
}
#ifdef CONFIG_PM