The ad7785 is similar to the ad7792/ad7793, but has 20 bit wide data samples.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
drivers/staging/iio/adc/Kconfig | 4 ++--
drivers/staging/iio/adc/ad7793.c | 27 +++++++++++++++++----------
2 files changed, 19 insertions(+), 12 deletions(-)
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index 3894281..57dbf6e 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -113,8 +113,8 @@ config AD7793
depends on SPI
select AD_SIGMA_DELTA
help
- Say yes here to build support for Analog Devices AD7792, AD7793, AD7794
- and AD7795 SPI analog to digital converters (ADC).
+ Say yes here to build support for Analog Devices AD7785, AD7792, AD7793,
+ AD7794 and AD7795 SPI analog to digital converters (ADC).
If unsure, say N (but it's safe to say "Y").
To compile this driver as a module, choose M here: the
diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c
index 1c0f6a1..da57130 100644
--- a/drivers/staging/iio/adc/ad7793.c
+++ b/drivers/staging/iio/adc/ad7793.c
@@ -1,5 +1,5 @@
/*
- * AD7792/AD7793/AD7794/AD7795 SPI ADC driver
+ * AD7785/AD7792/AD7793/AD7794/AD7795 SPI ADC driver
*
* Copyright 2011-2012 Analog Devices Inc.
*
@@ -54,6 +54,7 @@ struct ad7793_state {
};
enum ad7793_supported_device_ids {
+ ID_AD7785,
ID_AD7792,
ID_AD7793,
ID_AD7794,
@@ -385,14 +386,14 @@ static const struct iio_info ad7793_info = {
.driver_module = THIS_MODULE,
};
-#define DECLARE_AD7793_CHANNELS(_name, _b, _sb) \
+#define DECLARE_AD7793_CHANNELS(_name, _b, _sb, _s) \
const struct iio_chan_spec _name##_channels[] = { \
- AD_SD_DIFF_CHANNEL(0, 0, 0, AD7793_CH_AIN1P_AIN1M, (_b), (_sb), 0), \
- AD_SD_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), 0), \
- AD_SD_DIFF_CHANNEL(2, 2, 2, AD7793_CH_AIN3P_AIN3M, (_b), (_sb), 0), \
- AD_SD_SHORTED_CHANNEL(3, 0, AD7793_CH_AIN1M_AIN1M, (_b), (_sb), 0), \
- AD_SD_TEMP_CHANNEL(4, AD7793_CH_TEMP, (_b), (_sb), 0), \
- AD_SD_SUPPLY_CHANNEL(5, 3, AD7793_CH_AVDD_MONITOR, (_b), (_sb), 0), \
+ AD_SD_DIFF_CHANNEL(0, 0, 0, AD7793_CH_AIN1P_AIN1M, (_b), (_sb), (_s)), \
+ AD_SD_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), (_s)), \
+ AD_SD_DIFF_CHANNEL(2, 2, 2, AD7793_CH_AIN3P_AIN3M, (_b), (_sb), (_s)), \
+ AD_SD_SHORTED_CHANNEL(3, 0, AD7793_CH_AIN1M_AIN1M, (_b), (_sb), (_s)), \
+ AD_SD_TEMP_CHANNEL(4, AD7793_CH_TEMP, (_b), (_sb), (_s)), \
+ AD_SD_SUPPLY_CHANNEL(5, 3, AD7793_CH_AVDD_MONITOR, (_b), (_sb), (_s)), \
IIO_CHAN_SOFT_TIMESTAMP(6), \
}
@@ -410,12 +411,17 @@ const struct iio_chan_spec _name##_channels[] = { \
IIO_CHAN_SOFT_TIMESTAMP(9), \
}
-static DECLARE_AD7793_CHANNELS(ad7792, 16, 32);
-static DECLARE_AD7793_CHANNELS(ad7793, 24, 32);
+static DECLARE_AD7793_CHANNELS(ad7785, 20, 32, 4);
+static DECLARE_AD7793_CHANNELS(ad7792, 16, 32, 0);
+static DECLARE_AD7793_CHANNELS(ad7793, 24, 32, 0);
static DECLARE_AD7795_CHANNELS(ad7794, 16, 32);
static DECLARE_AD7795_CHANNELS(ad7795, 24, 32);
static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
+ [ID_AD7785] = {
+ .channels = ad7785_channels,
+ .num_channels = ARRAY_SIZE(ad7785_channels),
+ },
[ID_AD7792] = {
.channels = ad7792_channels,
.num_channels = ARRAY_SIZE(ad7792_channels),
@@ -534,6 +540,7 @@ static int ad7793_remove(struct spi_device *spi)
}
static const struct spi_device_id ad7793_id[] = {
+ {"ad7785", ID_AD7785},
{"ad7792", ID_AD7792},
{"ad7793", ID_AD7793},
{"ad7794", ID_AD7794},
--
1.7.10.4
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
