ASoC: S3C: I2Sv2: Segregate hw_params callback

Towards having build for multiple SoCs segregate hw_params callback
for s3c2412 and s3c64xx.
Since, all new SoCs have s3c64xx like register map, we keep that as
default implementation if no SoC specific callback is already defined.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c
index 667431c..c3fcb63 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.c
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -326,7 +326,7 @@
 	return 0;
 }
 
-static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
+static int s3c_i2sv2_hw_params(struct snd_pcm_substream *substream,
 				 struct snd_pcm_hw_params *params,
 				 struct snd_soc_dai *socdai)
 {
@@ -346,18 +346,6 @@
 	iismod = readl(i2s->regs + S3C2412_IISMOD);
 	pr_debug("%s: r: IISMOD: %x\n", __func__, iismod);
 
-#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S8:
-		iismod |= S3C2412_IISMOD_8BIT;
-		break;
-	case SNDRV_PCM_FORMAT_S16_LE:
-		iismod &= ~S3C2412_IISMOD_8BIT;
-		break;
-	}
-#endif
-
-#ifdef CONFIG_PLAT_S3C64XX
 	iismod &= ~S3C64XX_IISMOD_BLC_MASK;
 	/* Sample size */
 	switch (params_format(params)) {
@@ -370,7 +358,6 @@
 		iismod |= S3C64XX_IISMOD_BLC_24BIT;
 		break;
 	}
-#endif
 
 	writel(iismod, i2s->regs + S3C2412_IISMOD);
 	pr_debug("%s: w: IISMOD: %x\n", __func__, iismod);
@@ -730,7 +717,8 @@
 	struct snd_soc_dai_ops *ops = dai->ops;
 
 	ops->trigger = s3c2412_i2s_trigger;
-	ops->hw_params = s3c2412_i2s_hw_params;
+	if (!ops->hw_params)
+		ops->hw_params = s3c_i2sv2_hw_params;
 	ops->set_fmt = s3c2412_i2s_set_fmt;
 	ops->set_clkdiv = s3c2412_i2s_set_clkdiv;