phonepad: add mclk2 for rt5623.

diff --git a/arch/arm/configs/rk30_phonepad_defconfig b/arch/arm/configs/rk30_phonepad_defconfig
index a69c34ac4f2f1374683ec267e8fd4d41de968b54..a2f09e0c56dbf212b3865fd4c5c2becdbecd35b3 100644 (file)
--- a/arch/arm/configs/rk30_phonepad_defconfig
+++ b/arch/arm/configs/rk30_phonepad_defconfig
@@ -299,6 +299,7 @@ CONFIG_SND=y
 # CONFIG_SND_ARM is not set
 CONFIG_SND_SOC=y
 CONFIG_SND_RK29_SOC=y
+CONFIG_SND_RK_SOC_I2S2_2CH=y
 CONFIG_SND_I2S_DMA_EVENT_STATIC=y
 CONFIG_SND_RK29_SOC_RT5623=y
 CONFIG_SND_RK29_SOC_RT3261=y

diff --git a/sound/soc/codecs/rt3261.c b/sound/soc/codecs/rt3261.c
index c1c32acbb51afd2f39d6708ca3a0374ced66c174..dc3a678e03720ce3e9575eaef822cb7ee8da599d 100644 (file)
--- a/sound/soc/codecs/rt3261.c
+++ b/sound/soc/codecs/rt3261.c
@@ -25,6 +25,8 @@
 #include <sound/initval.h>
 #include <sound/tlv.h>
 #include <mach/board.h>
+#include <linux/clk.h>
+#include <mach/iomux.h>
 
 #define RT3261_PROC
 #ifdef RT3261_PROC
@@ -2733,6 +2735,7 @@ static int rt3261_probe(struct snd_soc_codec *codec)
 {
        struct rt3261_priv *rt3261 = snd_soc_codec_get_drvdata(codec);
        int ret;
+       struct clk *iis_clk;
 
        pr_info("Codec driver version %s\n", VERSION);
 
@@ -2745,6 +2748,19 @@ static int rt3261_probe(struct snd_soc_codec *codec)
        #ifdef RT3261_PROC      
        rt3261_proc_init();
        #endif
+
+       //for rt5623 MCLK use
+       iis_clk = clk_get_sys("rk29_i2s.2", "i2s");
+       if (IS_ERR(iis_clk)) {
+               printk("failed to get i2s clk\n");
+               ret = PTR_ERR(iis_clk);
+       }else{
+               printk("I2S2 got i2s clk ok!\n");
+               clk_enable(iis_clk);
+               clk_set_rate(iis_clk, 11289600);
+               rk30_mux_api_set(GPIO0D0_I2S22CHCLK_SMCCSN0_NAME, GPIO0D_I2S2_2CH_CLK);
+               clk_put(iis_clk);
+       }
        
        rt3261_reset(codec);
        snd_soc_update_bits(codec, RT3261_PWR_ANLG1,