1 files changed, 15 insertions, 5 deletions

diff --git a/sound/soc/s3c24xx/s3c2443-ac97.c b/sound/soc/s3c24xx/s3c2443-ac97.c
index 3f03d5ddfacd..fc1beb0930b9 100644
--- a/sound/soc/s3c24xx/s3c2443-ac97.c
+++ b/sound/soc/s3c24xx/s3c2443-ac97.c
@@ -47,7 +47,7 @@ static struct s3c24xx_ac97_info s3c24xx_ac97;
 
 static DECLARE_COMPLETION(ac97_completion);
 static u32 codec_ready;
-static DECLARE_MUTEX(ac97_mutex);
+static DEFINE_MUTEX(ac97_mutex);
 
 static unsigned short s3c2443_ac97_read(struct snd_ac97 *ac97,
         unsigned short reg)
@@ -56,7 +56,7 @@ static unsigned short s3c2443_ac97_read(struct snd_ac97 *ac97,
         u32 ac_codec_cmd;
         u32 stat, addr, data;
 
-        down(&ac97_mutex);
+        mutex_lock(&ac97_mutex);
 
         codec_ready = S3C_AC97_GLBSTAT_CODECREADY;
         ac_codec_cmd = readl(s3c24xx_ac97.regs + S3C_AC97_CODEC_CMD);
@@ -79,7 +79,7 @@ static unsigned short s3c2443_ac97_read(struct snd_ac97 *ac97,
                 printk(KERN_ERR "s3c24xx-ac97: req addr = %02x,"
                                 " rep addr = %02x\n", reg, addr);
 
-        up(&ac97_mutex);
+        mutex_unlock(&ac97_mutex);
 
         return (unsigned short)data;
 }
@@ -90,7 +90,7 @@ static void s3c2443_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
         u32 ac_glbctrl;
         u32 ac_codec_cmd;
 
-        down(&ac97_mutex);
+        mutex_lock(&ac97_mutex);
 
         codec_ready = S3C_AC97_GLBSTAT_CODECREADY;
         ac_codec_cmd = readl(s3c24xx_ac97.regs + S3C_AC97_CODEC_CMD);
@@ -109,7 +109,7 @@ static void s3c2443_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
         ac_codec_cmd |= S3C_AC97_CODEC_CMD_READ;
         writel(ac_codec_cmd, s3c24xx_ac97.regs + S3C_AC97_CODEC_CMD);
 
-        up(&ac97_mutex);
+        mutex_unlock(&ac97_mutex);
 
 }
 
@@ -290,6 +290,9 @@ static int s3c2443_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
                                 struct snd_soc_dai *dai)
 {
         u32 ac_glbctrl;
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        int channel = ((struct s3c24xx_pcm_dma_params *)
+                  rtd->dai->cpu_dai->dma_data)->channel;
 
         ac_glbctrl = readl(s3c24xx_ac97.regs + S3C_AC97_GLBCTRL);
         switch (cmd) {
@@ -312,6 +315,8 @@ static int s3c2443_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
         }
         writel(ac_glbctrl, s3c24xx_ac97.regs + S3C_AC97_GLBCTRL);
 
+        s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STARTED);
+
         return 0;
 }
 
@@ -334,6 +339,9 @@ static int s3c2443_ac97_mic_trigger(struct snd_pcm_substream *substream,
                                     int cmd, struct snd_soc_dai *dai)
 {
         u32 ac_glbctrl;
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        int channel = ((struct s3c24xx_pcm_dma_params *)
+                  rtd->dai->cpu_dai->dma_data)->channel;
 
         ac_glbctrl = readl(s3c24xx_ac97.regs + S3C_AC97_GLBCTRL);
         switch (cmd) {
@@ -349,6 +357,8 @@ static int s3c2443_ac97_mic_trigger(struct snd_pcm_substream *substream,
         }
         writel(ac_glbctrl, s3c24xx_ac97.regs + S3C_AC97_GLBCTRL);
 
+        s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STARTED);
+
         return 0;
 }