audio: rk3036 codec:

	add rk3036 sound card unfinished function, If not,it not to
	set I2S clk and div,and lead to no sound on some TV.

diff --git a/sound/soc/rockchip/rk_rk3036.c b/sound/soc/rockchip/rk_rk3036.c
old mode 100644 (file)
new mode 100755 (executable)
index ae413af..b08134d
--- a/sound/soc/rockchip/rk_rk3036.c
+++ b/sound/soc/rockchip/rk_rk3036.c
@@ -23,24 +23,73 @@
 #include "rk_pcm.h"
 #include "rk_i2s.h"
 
+#if 0
+#define        DBG(x...)       pr_info("rk_rk3036" x)
+#else
+#define        DBG(x...)
+#endif
 static int rk30_hw_params(struct snd_pcm_substream *
        substream, struct snd_pcm_hw_params *params)
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
        struct snd_soc_dai *codec_dai = rtd->codec_dai;
        struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-       unsigned int dai_fmt = rtd->dai_link->dai_fmt;
+       unsigned int pll_out = 0, dai_fmt = rtd->dai_link->dai_fmt;
        int ret;
 
+       DBG("Enter::%s----%d\n", __func__, __LINE__);
+
        /* set codec DAI configuration */
        ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
-       if (ret < 0)
+       if (ret < 0) {
+               DBG("%s():failed to set the format for codec side\n",
+                   __func__);
                return ret;
+       }
 
        /* set cpu DAI configuration */
        ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt);
-       if (ret < 0)
+       if (ret < 0) {
+               DBG("%s():failed to set the format for cpu side\n",
+                   __func__);
+               return ret;
+       }
+
+       switch (params_rate(params)) {
+       case 8000:
+       case 16000:
+       case 24000:
+       case 32000:
+       case 48000:
+               pll_out = 12288000;
+               break;
+       case 11025:
+       case 22050:
+       case 44100:
+               pll_out = 11289600;
+               break;
+       default:
+               DBG("Enter:%s, %d, Error rate=%d\n",
+                   __func__, __LINE__, params_rate(params));
+               return -EINVAL;
+               break;
+       }
+
+       DBG("Enter:%s, %d, rate=%d\n",
+           __func__, __LINE__, params_rate(params));
+
+       /*Set the system clk for codec*/
+       ret = snd_soc_dai_set_sysclk(codec_dai, 0, pll_out, SND_SOC_CLOCK_IN);
+       if (ret < 0) {
+               DBG("rk_hifi_hw_params:failed to set the sysclk for codec\n");
                return ret;
+       }
+
+       snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK,
+                              (pll_out/4)/params_rate(params)-1);
+       snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
+       DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n",
+           __func__, __LINE__, (pll_out/4)/params_rate(params));
 
        return 0;
 }