ASoC: S3C: I2S: Move set_sysclk to common code

Now that we can specify feature of a particular controller, we can
avoid multiple copies of same code by defining the CDCLKCON bit
feature in controller specific code and detecting that flag in the
code common to all controllers.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 3 insertions, 40 deletions

diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c
index 6d49bd93717b..1d85cb85a7d2 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.c
@@ -54,43 +54,6 @@ static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
         return cpu_dai->private_data;
 }
 
-static int s3c64xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
-                                  int clk_id, unsigned int freq, int dir)
-{
-        struct s3c_i2sv2_info *i2s = to_info(cpu_dai);
-        u32 iismod = readl(i2s->regs + S3C2412_IISMOD);
-
-        switch (clk_id) {
-        case S3C64XX_CLKSRC_PCLK:
-                iismod &= ~S3C2412_IISMOD_IMS_SYSMUX;
-                break;
-
-        case S3C64XX_CLKSRC_MUX:
-                iismod |= S3C2412_IISMOD_IMS_SYSMUX;
-                break;
-
-        case S3C64XX_CLKSRC_CDCLK:
-                switch (dir) {
-                case SND_SOC_CLOCK_IN:
-                        iismod |= S3C64XX_IISMOD_CDCLKCON;
-                        break;
-                case SND_SOC_CLOCK_OUT:
-                        iismod &= ~S3C64XX_IISMOD_CDCLKCON;
-                        break;
-                default:
-                        return -EINVAL;
-                }
-                break;
-
-        default:
-                return -EINVAL;
-        }
-
-        writel(iismod, i2s->regs + S3C2412_IISMOD);
-
-        return 0;
-}
-
 static int s3c64xx_i2s_probe(struct platform_device *pdev,
                              struct snd_soc_dai *dai)
 {
@@ -115,9 +78,7 @@ static int s3c64xx_i2s_probe(struct platform_device *pdev,
 }
 
 
-static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops = {
-        .set_sysclk     = s3c64xx_i2s_set_sysclk,       
-};
+static struct snd_soc_dai_ops s3c64xx_i2s_dai_ops;
 
 static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
 {
@@ -147,6 +108,8 @@ static __devinit int s3c64xx_iis_dev_probe(struct platform_device *pdev)
         dai->probe = s3c64xx_i2s_probe;
         dai->ops = &s3c64xx_i2s_dai_ops;
 
+        i2s->feature |= S3C_FEATURE_CDCLKCON;
+
         i2s->dma_capture = &s3c64xx_i2s_pcm_stereo_in[pdev->id];
         i2s->dma_playback = &s3c64xx_i2s_pcm_stereo_out[pdev->id];