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ASoC: tas571x: chip type detection via I2C name 

The chip selection was relying only on DT. It was not possible to use the
driver without DT.
This adds the chip type detection from the I2C name, which
allows to use the driver from the platform driver without DT.

Signed-off-by: Petr Kulhavy <petr@barix.com>
Reviewed-by: Kevin Cernekee <cernekee@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Petr Kulhavy 2016-03-29 09:39:35 +02:00 committed by Mark Brown
parent 0400485076
commit 630e413dc2
1 changed files with 7 additions and 8 deletions
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15
sound/soc/codecs/tas571x.c
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@ -404,11 +404,10 @@ static int tas571x_i2c_probe(struct i2c_client *client,
i2c_set_clientdata(client, priv);
of_id = of_match_device(tas571x_of_match, dev);
if (!of_id) {
dev_err(dev, "Unknown device type\n");
return -EINVAL;
}
priv->chip = of_id->data;
if (of_id)
priv->chip = of_id->data;
else
priv->chip = (void *) id->driver_data;
priv->mclk = devm_clk_get(dev, "mclk");
if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
@ -505,9 +504,9 @@ static const struct of_device_id tas571x_of_match[] = {
MODULE_DEVICE_TABLE(of, tas571x_of_match);
static const struct i2c_device_id tas571x_i2c_id[] = {
{ "tas5711", 0 },
{ "tas5717", 0 },
{ "tas5719", 0 },
{ "tas5711", (kernel_ulong_t) &tas5711_chip },
{ "tas5717", (kernel_ulong_t) &tas5717_chip },
{ "tas5719", (kernel_ulong_t) &tas5717_chip },
{ }
};
MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);