commit 65c7ee65564f442af0927847f774a24d56645c22
author Dani Krishna Mohan <krishna.md@samsung.com> Wed Sep 11 16:38:48 2013 +0530
committer Tom Rini <trini@ti.com> Tue Sep 24 09:10:33 2013 -0400
tree 70bdac70d8a5369ef54bd0f7152ababa9cbe1b5a
parent 76c444d838248f14b63cd4257cdc9d1309a0173f

ARM: Added I2S0 clocks for audio

This patch makes the necessary changes for making use of
I2S0 channel instead of I2S1 channel on smdk board. This
changes are done to maintain the uniformity to use I2S0 channel.

Signed-off-by: Dani Krishna Mohan <krishna.md@samsung.com>

drivers/sound/samsung-i2s.c

diff --git a/drivers/sound/samsung-i2s.c b/drivers/sound/samsung-i2s.c
index 49921e5..30d1470 100644
--- a/drivers/sound/samsung-i2s.c
+++ b/drivers/sound/samsung-i2s.c
@@ -67,7 +67,6 @@
 		con &= ~CON_TXCH_PAUSE;
 
 	} else {
-
 		con |=  CON_TXCH_PAUSE;
 		con &= ~CON_ACTIVE;
 	}
@@ -172,7 +171,7 @@
 		break;
 	default:
 		debug("%s: Invalid format priority [0x%x]\n", __func__,
-			(fmt & SND_SOC_DAIFMT_FORMAT_MASK));
+		      (fmt & SND_SOC_DAIFMT_FORMAT_MASK));
 		return -1;
 	}
 
@@ -191,7 +190,7 @@
 		break;
 	default:
 		debug("%s: Invalid clock ploarity input [0x%x]\n", __func__,
-			(fmt & SND_SOC_DAIFMT_INV_MASK));
+		      (fmt & SND_SOC_DAIFMT_INV_MASK));
 		return -1;
 	}
 
@@ -209,7 +208,7 @@
 		break;
 	default:
 		debug("%s: Invalid master selection [0x%x]\n", __func__,
-			(fmt & SND_SOC_DAIFMT_MASTER_MASK));
+		      (fmt & SND_SOC_DAIFMT_MASTER_MASK));
 		return -1;
 	}
 
@@ -250,7 +249,7 @@
 		break;
 	default:
 		debug("%s: Invalid sample size input [0x%x]\n",
-			__func__, blc);
+		      __func__, blc);
 		return -1;
 	}
 	writel(mod, &i2s_reg->mod);
@@ -313,11 +312,22 @@
 	}
 
 	/* Select Clk Source for Audio1 */
-	set_i2s_clk_source();
+	ret = set_i2s_clk_source(pi2s_tx->id);
+	if (ret == -1) {
+		debug("%s: unsupported clock for i2s-%d\n", __func__,
+		      pi2s_tx->id);
+		return -1;
+	}
 
 	/* Set Prescaler to get MCLK */
-	set_i2s_clk_prescaler(pi2s_tx->audio_pll_clk,
-				(pi2s_tx->samplingrate * (pi2s_tx->rfs)));
+	ret = set_i2s_clk_prescaler(pi2s_tx->audio_pll_clk,
+			      (pi2s_tx->samplingrate * (pi2s_tx->rfs)),
+			      pi2s_tx->id);
+	if (ret == -1) {
+		debug("%s: unsupported prescalar for i2s-%d\n", __func__,
+		      pi2s_tx->id);
+		return -1;
+	}
 
 	/* Configure I2s format */
 	ret = i2s_set_fmt(i2s_reg, (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |