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staging: iio: dac: Use spi_device_id 

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Hennerich 2010-11-19 15:16:45 +01:00 committed by Greg Kroah-Hartman
parent df9cd10520
commit ece30c1592
1 changed files with 9 additions and 16 deletions
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25
drivers/staging/iio/dac/ad5624r_spi.c
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@ -209,13 +209,8 @@ static const struct attribute_group ad5624r_attribute_group = {
static int __devinit ad5624r_probe(struct spi_device *spi)
{
struct ad5624r_state *st;
int ret = 0;
char *chip_name = spi->dev.platform_data;
if (!chip_name)
return -ENODEV;
st = kzalloc(sizeof(*st), GFP_KERNEL);
if (st == NULL) {
@ -224,17 +219,7 @@ static int __devinit ad5624r_probe(struct spi_device *spi)
}
spi_set_drvdata(spi, st);
if (strcmp(chip_name, "ad5624r") == 0)
st->data_len = 12;
else if (strcmp(chip_name, "ad5644r") == 0)
st->data_len = 14;
else if (strcmp(chip_name, "ad5664r") == 0)
st->data_len = 16;
else {
dev_err(&spi->dev, "not supported chip type\n");
ret = -EINVAL;
goto error_ret;
}
st->data_len = spi_get_device_id(spi)->driver_data;
st->us = spi;
st->indio_dev = iio_allocate_device();
@ -278,6 +263,13 @@ static int __devexit ad5624r_remove(struct spi_device *spi)
return 0;
}
static const struct spi_device_id ad5624r_id[] = {
{"ad5624r", 12},
{"ad5644r", 14},
{"ad5664r", 16},
{}
};
static struct spi_driver ad5624r_driver = {
.driver = {
.name = "ad5624r",
@ -285,6 +277,7 @@ static struct spi_driver ad5624r_driver = {
},
.probe = ad5624r_probe,
.remove = __devexit_p(ad5624r_remove),
.id_table = ad5624r_id,
};
static __init int ad5624r_spi_init(void)