rt5631 : optimize boot speed

diff --git a/sound/soc/codecs/rt5631.c b/sound/soc/codecs/rt5631.c
index 478f5cca8e466bf4c4515095e04fa7809c4691ef..8bf781711908973b7626570c551059faa412b790 100755 (executable)
--- a/sound/soc/codecs/rt5631.c
+++ b/sound/soc/codecs/rt5631.c
@@ -56,6 +56,9 @@ struct rt5631_priv {
        int eq_mode;
        int phone_det_level;
        int pll_used_flag;
+       
+       struct workqueue_struct *irq_wq;
+       struct delayed_work rt5631_delayed_work;
 };
 #if (RT5631_SPK_TIMER == 1)
 static struct timer_list spk_timer;
@@ -1988,23 +1991,14 @@ static int rt5631_set_bias_level(struct snd_soc_codec *codec,
        return 0;
 }
 
-static int rt5631_probe(struct snd_soc_codec *codec)
+static void rt5631_init_work(struct work_struct *work)
 {
+       struct snd_soc_codec *codec = rt5631_codec;
        struct rt5631_priv *rt5631 = snd_soc_codec_get_drvdata(codec);
-       int val;
-       int ret;
-       ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
-       if (ret != 0) {
-               dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
-               return ret;
-       }
-       codec->cache_bypass = 1;
-
+       int val,ret;
+       DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__); 
+       
        val = rt5631_read_index(codec, RT5631_ADDA_MIXER_INTL_REG3);
-       if(val < 0)
-       {
-               return -ENODEV;
-       }
        if (val & 0x0002)
                rt5631->codec_version = 1;
        else
@@ -2031,7 +2025,6 @@ static int rt5631_probe(struct snd_soc_codec *codec)
                                        0, 0x2000);
 
        codec->dapm.bias_level = SND_SOC_BIAS_STANDBY;
-       rt5631_codec = codec;
 
 #if (RT5631_SPK_TIMER == 1)
        /* Timer module installing */
@@ -2042,6 +2035,31 @@ static int rt5631_probe(struct snd_soc_codec *codec)
 
        INIT_WORK(&spk_work, spk_work_handler);
 #endif
+       
+}
+
+static int rt5631_probe(struct snd_soc_codec *codec)
+{
+       struct rt5631_priv *rt5631 = snd_soc_codec_get_drvdata(codec);
+       int val;
+       int ret;
+       
+       rt5631_codec = codec;
+       ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
+       if (ret != 0) {
+               dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+               return ret;
+       }
+       codec->cache_bypass = 1;
+
+       rt5631->irq_wq = create_singlethread_workqueue("rt5631-irq_wq");
+       if (!rt5631->irq_wq) {
+               printk( "Failed to rt5631 allocate IRQ worker\n");
+               return -ESRCH;
+       }       
+       INIT_DELAYED_WORK(&rt5631->rt5631_delayed_work, rt5631_init_work);
+       queue_delayed_work(rt5631->irq_wq, &rt5631->rt5631_delayed_work, msecs_to_jiffies(10));
+
 //bard 7-16 s
        INIT_DELAYED_WORK(&rt5631_delay_cap,rt5631_adc_on);
 //bard 7-16 e