From: Lars-Peter Clausen Date: Wed, 25 Apr 2012 07:44:56 +0000 (+0200) Subject: staging:iio:dac:ad5446: Do not check for individual chip ids in probe X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4e5d3f92cfe79c928414ec497f04a831e5c63a83;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git staging:iio:dac:ad5446: Do not check for individual chip ids in probe Use the chip_info's int_vref_mv field to decide whether a certain chip has a internal reference or not. There is no need to check for individual chip ids. Signed-off-by: Lars-Peter Clausen Acked-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index 2ce6b5be84e2..659d0834bb19 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -344,22 +344,12 @@ static int __devinit ad5446_probe(struct spi_device *spi) indio_dev->channels = &st->chip_info->channel; indio_dev->num_channels = 1; - switch (spi_get_device_id(spi)->driver_data) { - case ID_AD5620_2500: - case ID_AD5620_1250: - case ID_AD5640_2500: - case ID_AD5640_1250: - case ID_AD5660_2500: - case ID_AD5660_1250: + if (st->chip_info->int_vref_mv) st->vref_mv = st->chip_info->int_vref_mv; - break; - default: - if (voltage_uv) - st->vref_mv = voltage_uv / 1000; - else - dev_warn(&spi->dev, - "reference voltage unspecified\n"); - } + else if (voltage_uv) + st->vref_mv = voltage_uv / 1000; + else + dev_warn(&spi->dev, "reference voltage unspecified\n"); ret = iio_device_register(indio_dev); if (ret)