From 4e5d3f92cfe79c928414ec497f04a831e5c63a83 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 25 Apr 2012 09:44:56 +0200
Subject: [PATCH] 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 <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/iio/dac/ad5446.c | 20 +++++---------------
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c
index 2ce6b5be84e25..659d0834bb190 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)
--
2.30.2