audio: codec: The tl1_acodec_probe takes 340ms time [1/1]

PD#SWPL-4345

Problem:
The tl1_acodec_probe operation takes 340ms time

Solution:
Using workqueue to replace the msleep func

Verify:
verify on T962x2_X309 board

Change-Id: I5316beb8a0e94ae022c948ec112b6fb219050212
Signed-off-by: Shuyu Li <shuyu.li@amlogic.com>

diff --git a/sound/soc/codecs/amlogic/aml_codec_tl1_acodec.c b/sound/soc/codecs/amlogic/aml_codec_tl1_acodec.c
index 174babe..2df8a74 100644 (file)
--- a/sound/soc/codecs/amlogic/aml_codec_tl1_acodec.c
+++ b/sound/soc/codecs/amlogic/aml_codec_tl1_acodec.c
@@ -57,6 +57,7 @@ struct tl1_acodec_priv {
        struct snd_soc_codec *codec;
        struct snd_pcm_hw_params *params;
        struct regmap *regmap;
+       struct work_struct work;
        struct tl1_acodec_chipinfo *chipinfo;
        int tdmout_index;
        int dat0_ch_sel;
@@ -550,6 +551,35 @@ static int tl1_acodec_start_up(struct snd_soc_codec *codec)
        return 0;
 }
 
+static void tl1_acodec_release_fast_mode_work_func(struct work_struct *p_work)
+{
+       struct tl1_acodec_priv *aml_acodec;
+       struct snd_soc_codec *codec;
+
+       aml_acodec = container_of(
+                               p_work, struct tl1_acodec_priv, work);
+       if (!aml_acodec) {
+               pr_err("%s, Get tl1_acodec_priv fail\n", __func__);
+               return;
+       }
+
+       codec = aml_acodec->codec;
+       if (!codec) {
+               pr_err("%s, Get snd_soc_codec fail\n", __func__);
+               return;
+       }
+
+       pr_info("%s\n", __func__);
+       /*reset audio codec register*/
+       tl1_acodec_reset(codec);
+       snd_soc_write(codec, ACODEC_0, 0xF000);
+       msleep(200);
+       snd_soc_write(codec, ACODEC_0, 0xB000);
+       tl1_acodec_reg_init(codec);
+
+       aml_acodec->codec = codec;
+       tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+}
 static int tl1_acodec_dai_mute_stream(struct snd_soc_dai *dai, int mute,
                                      int stream)
 {
@@ -605,25 +635,23 @@ static int tl1_acodec_probe(struct snd_soc_codec *codec)
                snd_soc_codec_get_drvdata(codec);
 
        if (!aml_acodec) {
-               pr_err("Failed to get tl1 acodec pri\n");
+               pr_err("Failed to get tl1 acodec priv\n");
                return -EINVAL;
        }
-
-       /*reset audio codec register*/
-       tl1_acodec_reset(codec);
-       tl1_acodec_start_up(codec);
-       tl1_acodec_reg_init(codec);
-
        aml_acodec->codec = codec;
-       tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+       INIT_WORK(&aml_acodec->work, tl1_acodec_release_fast_mode_work_func);
+       schedule_work(&aml_acodec->work);
+
        pr_info("%s\n", __func__);
        return 0;
 }
 
 static int tl1_acodec_remove(struct snd_soc_codec *codec)
 {
+       struct tl1_acodec_priv *aml_acodec =
+               snd_soc_codec_get_drvdata(codec);
        pr_info("%s!\n", __func__);
-
+       cancel_work_sync(&aml_acodec->work);
        tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
        return 0;