ASoC: alc5632: Update of i2c_probe function to use regmap API only
authorLeon Romanovsky <leon@leon.nu>
Thu, 17 Nov 2011 10:01:30 +0000 (12:01 +0200)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 17 Nov 2011 16:48:18 +0000 (16:48 +0000)
Signed-off-by: Leon Romanovsky <leon@leon.nu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
sound/soc/codecs/alc5632.c

index be10228..c32eade 100644 (file)
@@ -1053,48 +1053,14 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
                                const struct i2c_device_id *id)
 {
        struct alc5632_priv *alc5632;
-       int ret, vid1, vid2;
-
-       vid1 = i2c_smbus_read_word_data(client, ALC5632_VENDOR_ID1);
-       if (vid1 < 0) {
-               dev_err(&client->dev, "failed to read I2C\n");
-               return -EIO;
-       } else {
-               dev_info(&client->dev, "got vid1: %x\n", vid1);
-       }
-       vid1 = ((vid1 & 0xff) << 8) | (vid1 >> 8);
-
-       vid2 = i2c_smbus_read_word_data(client, ALC5632_VENDOR_ID2);
-       if (vid2 < 0) {
-               dev_err(&client->dev, "failed to read I2C\n");
-               return -EIO;
-       } else {
-               dev_info(&client->dev, "got vid2: %x\n", vid2);
-       }
-       vid2 = (vid2 & 0xff);
-
-       if ((vid1 != 0x10ec) || (vid2 != id->driver_data)) {
-               dev_err(&client->dev, "unknown or wrong codec\n");
-               dev_err(&client->dev, "Expected %x:%lx, got %x:%x\n",
-                               0x10ec, id->driver_data,
-                               vid1, vid2);
-               return -ENODEV;
-       }
+       int ret, ret1, ret2;
+       unsigned int vid1, vid2;
 
        alc5632 = devm_kzalloc(&client->dev,
                         sizeof(struct alc5632_priv), GFP_KERNEL);
        if (alc5632 == NULL)
                return -ENOMEM;
 
-       alc5632->id = vid2;
-       switch (alc5632->id) {
-       case 0x5c:
-               alc5632_dai.name = "alc5632-hifi";
-               break;
-       default:
-               return -EINVAL;
-       }
-
        i2c_set_clientdata(client, alc5632);
 
        alc5632->regmap = regmap_init_i2c(client, &alc5632_regmap);
@@ -1104,6 +1070,24 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
                return ret;
        }
 
+       ret1 = regmap_read(alc5632->regmap, ALC5632_VENDOR_ID1, &vid1);
+       ret2 = regmap_read(alc5632->regmap, ALC5632_VENDOR_ID2, &vid2);
+       if (ret1 != 0 || ret2 != 0) {
+               dev_err(&client->dev,
+               "Failed to read chip ID: ret1=%d, ret2=%d\n", ret1, ret2);
+               regmap_exit(alc5632->regmap);
+               return -EIO;
+       }
+
+       vid2 >>= 8;
+
+       if ((vid1 != 0x10EC) || (vid2 != id->driver_data)) {
+               dev_err(&client->dev,
+               "Device is not a ALC5632: VID1=0x%x, VID2=0x%x\n", vid1, vid2);
+               regmap_exit(alc5632->regmap);
+               return -EINVAL;
+       }
+
        ret = alc5632_reset(alc5632->regmap);
        if (ret < 0) {
                dev_err(&client->dev, "Failed to issue reset\n");
@@ -1111,7 +1095,16 @@ static __devinit int alc5632_i2c_probe(struct i2c_client *client,
                return ret;
        }
 
-       ret =  snd_soc_register_codec(&client->dev,
+       alc5632->id = vid2;
+       switch (alc5632->id) {
+       case 0x5c:
+               alc5632_dai.name = "alc5632-hifi";
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       ret = snd_soc_register_codec(&client->dev,
                &soc_codec_device_alc5632, &alc5632_dai, 1);
 
        if (ret < 0) {