diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-13 21:43:01 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-20 13:58:20 +0000 |
| commit | 391d9e4e5ce50bf14400ed04d13821e7b56e84f7 (patch) | |
| tree | f4a65cf76a3bcc1555acf6d30aa8d1aa918e7a1d /sound/soc/codecs/wm9090.c | |
| parent | ec2c0fec11f072222b63eb160da6be01773bfe65 (diff) | |
| download | linux-391d9e4e5ce50bf14400ed04d13821e7b56e84f7.tar.bz2 | |
ASoC: Move WM9090 device identification and reset to I2C probe
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm9090.c')
| -rw-r--r-- | sound/soc/codecs/wm9090.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c index 4be5551f06a0..a2b9208a08f0 100644 --- a/sound/soc/codecs/wm9090.c +++ b/sound/soc/codecs/wm9090.c @@ -532,18 +532,6 @@ static int wm9090_probe(struct snd_soc_codec *codec) return ret; } - ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET); - if (ret < 0) - return ret; - if (ret != 0x9093) { - dev_err(codec->dev, "Device is not a WM9090, ID=%x\n", ret); - return -EINVAL; - } - - ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0); - if (ret < 0) - return ret; - /* Configure some defaults; they will be written out when we * bring the bias up. */ @@ -631,6 +619,7 @@ static int wm9090_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm9090_priv *wm9090; + unsigned int reg; int ret; wm9090 = devm_kzalloc(&i2c->dev, sizeof(*wm9090), GFP_KERNEL); @@ -646,6 +635,19 @@ static int wm9090_i2c_probe(struct i2c_client *i2c, return ret; } + ret = regmap_read(wm9090->regmap, WM9090_SOFTWARE_RESET, ®); + if (ret < 0) + goto err; + if (reg != 0x9093) { + dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", ret); + ret = -ENODEV; + goto err; + } + + ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0); + if (ret < 0) + goto err; + if (i2c->dev.platform_data) memcpy(&wm9090->pdata, i2c->dev.platform_data, sizeof(wm9090->pdata)); |