rk2928:acodec: add pclk_acodec control.

diff --git a/sound/soc/codecs/rk2928_codec.c b/sound/soc/codecs/rk2928_codec.c
index a31276077b7dd1752a2979af34f3dbf9177393a7..8fe8fedb9f0f555496f40137e22f2fa558be2075 100755 (executable)
--- a/sound/soc/codecs/rk2928_codec.c
+++ b/sound/soc/codecs/rk2928_codec.c
@@ -38,7 +38,7 @@
 #include <sound/tlv.h>
 
 #include <mach/iomux.h>
-
+#include <linux/clk.h>
 #include "rk2928_codec.h"
 
 static struct rk2928_codec_data {
@@ -46,6 +46,7 @@ static struct rk2928_codec_data {
        int                     regbase;
        int                             regbase_phy;
        int                             regsize_phy;
+       struct clk              *pclk;
        int                             mute;
        int                             hdmi_enable;
        int                             spkctl;
@@ -246,6 +247,15 @@ static int rk2928_probe(struct snd_soc_codec *codec)
                goto err1;
        }
        
+       rk2928_data.pclk = clk_get(NULL,"pclk_acodec");
+       if(IS_ERR(rk2928_data.pclk))
+       {
+               dev_err(rk2928_data.dev, "Unable to get acodec hclk\n");
+               ret = -ENXIO;
+               goto err1;
+       }
+       clk_enable(rk2928_data.pclk);
+
        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
        if(!res) {
                rk2928_data.spkctl = INVALID_GPIO;
@@ -293,12 +303,14 @@ static int rk2928_suspend(struct snd_soc_codec *codec, pm_message_t state)
 {
        DBG("%s", __FUNCTION__);
        rk2928_set_bias_level(codec, SND_SOC_BIAS_OFF);
+       clk_disable(rk2928_data.pclk);
        return 0;
 }
 
 static int rk2928_resume(struct snd_soc_codec *codec)
 {
        DBG("%s", __FUNCTION__);
+       clk_enable(rk2928_data.pclk);
        rk2928_write(codec, CODEC_REG_POWER, v_PD_ADC(1) | v_PD_DAC(1) | v_PD_MIC_BIAS(1));
        return 0;
 }