Merge branch 'topic/oss' into for-linus

[pandora-kernel.git] / sound / soc / s3c24xx / s3c-i2s-v2.c

diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c
index 1a28317..aa7af0b 100644 (file)
--- a/sound/soc/s3c24xx/s3c-i2s-v2.c
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -36,6 +36,7 @@
 #include <mach/dma.h>
 
 #include "s3c-i2s-v2.h"
+#include "s3c24xx-pcm.h"
 
 #undef S3C_IIS_V2_SUPPORTED
 
@@ -357,19 +358,19 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
 #endif
 
 #ifdef CONFIG_PLAT_S3C64XX
-       iismod &= ~0x606;
+       iismod &= ~(S3C64XX_IISMOD_BLC_MASK | S3C2412_IISMOD_BCLK_MASK);
        /* Sample size */
        switch (params_format(params)) {
        case SNDRV_PCM_FORMAT_S8:
                /* 8 bit sample, 16fs BCLK */
-               iismod |= 0x2004;
+               iismod |= (S3C64XX_IISMOD_BLC_8BIT | S3C2412_IISMOD_BCLK_16FS);
                break;
        case SNDRV_PCM_FORMAT_S16_LE:
                /* 16 bit sample, 32fs BCLK */
                break;
        case SNDRV_PCM_FORMAT_S24_LE:
                /* 24 bit sample, 48fs BCLK */
-               iismod |= 0x4002;
+               iismod |= (S3C64XX_IISMOD_BLC_24BIT | S3C2412_IISMOD_BCLK_48FS);
                break;
        }
 #endif
@@ -387,6 +388,8 @@ static int s3c2412_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
        int capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
        unsigned long irqs;
        int ret = 0;
+       int channel = ((struct s3c24xx_pcm_dma_params *)
+                 rtd->dai->cpu_dai->dma_data)->channel;
 
        pr_debug("Entered %s\n", __func__);
 
@@ -416,6 +419,14 @@ static int s3c2412_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
                        s3c2412_snd_txctrl(i2s, 1);
 
                local_irq_restore(irqs);
+
+               /*
+                * Load the next buffer to DMA to meet the reqirement
+                * of the auto reload mechanism of S3C24XX.
+                * This call won't bother S3C64XX.
+                */
+               s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STARTED);
+
                break;
 
        case SNDRV_PCM_TRIGGER_STOP: