From ece30c15921f94c1d58c494507f528c9482db409 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Fri, 19 Nov 2010 15:16:45 +0100 Subject: [PATCH] staging: iio: dac: Use spi_device_id Signed-off-by: Michael Hennerich Acked-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/dac/ad5624r_spi.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/staging/iio/dac/ad5624r_spi.c b/drivers/staging/iio/dac/ad5624r_spi.c index 17588b4b055d..b7c1661f6872 100644 --- a/drivers/staging/iio/dac/ad5624r_spi.c +++ b/drivers/staging/iio/dac/ad5624r_spi.c @@ -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) -- 2.39.5