summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorLars-Peter Clausen <lars@metafoo.de>2012-08-10 17:36:00 +0100
committerJonathan Cameron <jic23@kernel.org>2012-08-16 20:24:34 +0100
commite83539092c390c95e30b0d9e434709f195340f80 (patch)
tree56c354cffcc711f98c9c4ef04ed0f755143069e8 /drivers
parent421afe5805cbeda35097dc2ea36b9f6f077b4858 (diff)
staging:iio:ad7793: Mark channels as unsigned
The values reported by the AD7793 are unsigned. In uniploar mode: 0x000000 is zeroscale 0xffffff is fullscale In bipolar mode: 0x000000 is negative fullscale 0x800000 is zeroscale 0xffffff is positive fullscale In bipolar mode there is a binary offset, but the values are still unsigned. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/iio/adc/ad7793.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c
index 1d0cd09be86e..5e457a4b4232 100644
--- a/drivers/staging/iio/adc/ad7793.c
+++ b/drivers/staging/iio/adc/ad7793.c
@@ -722,7 +722,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 0,
- .scan_type = IIO_ST('s', 24, 32, 0)
+ .scan_type = IIO_ST('u', 24, 32, 0)
},
.channel[1] = {
.type = IIO_VOLTAGE,
@@ -734,7 +734,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 1,
- .scan_type = IIO_ST('s', 24, 32, 0)
+ .scan_type = IIO_ST('u', 24, 32, 0)
},
.channel[2] = {
.type = IIO_VOLTAGE,
@@ -746,7 +746,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 2,
- .scan_type = IIO_ST('s', 24, 32, 0)
+ .scan_type = IIO_ST('u', 24, 32, 0)
},
.channel[3] = {
.type = IIO_VOLTAGE,
@@ -759,7 +759,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 3,
- .scan_type = IIO_ST('s', 24, 32, 0)
+ .scan_type = IIO_ST('u', 24, 32, 0)
},
.channel[4] = {
.type = IIO_TEMP,
@@ -769,7 +769,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 4,
- .scan_type = IIO_ST('s', 24, 32, 0),
+ .scan_type = IIO_ST('u', 24, 32, 0),
},
.channel[5] = {
.type = IIO_VOLTAGE,
@@ -780,7 +780,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 5,
- .scan_type = IIO_ST('s', 24, 32, 0),
+ .scan_type = IIO_ST('u', 24, 32, 0),
},
.channel[6] = IIO_CHAN_SOFT_TIMESTAMP(6),
},
@@ -795,7 +795,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 0,
- .scan_type = IIO_ST('s', 16, 32, 0)
+ .scan_type = IIO_ST('u', 16, 32, 0)
},
.channel[1] = {
.type = IIO_VOLTAGE,
@@ -807,7 +807,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 1,
- .scan_type = IIO_ST('s', 16, 32, 0)
+ .scan_type = IIO_ST('u', 16, 32, 0)
},
.channel[2] = {
.type = IIO_VOLTAGE,
@@ -819,7 +819,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 2,
- .scan_type = IIO_ST('s', 16, 32, 0)
+ .scan_type = IIO_ST('u', 16, 32, 0)
},
.channel[3] = {
.type = IIO_VOLTAGE,
@@ -832,7 +832,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 3,
- .scan_type = IIO_ST('s', 16, 32, 0)
+ .scan_type = IIO_ST('u', 16, 32, 0)
},
.channel[4] = {
.type = IIO_TEMP,
@@ -842,7 +842,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 4,
- .scan_type = IIO_ST('s', 16, 32, 0),
+ .scan_type = IIO_ST('u', 16, 32, 0),
},
.channel[5] = {
.type = IIO_VOLTAGE,
@@ -853,7 +853,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 5,
- .scan_type = IIO_ST('s', 16, 32, 0),
+ .scan_type = IIO_ST('u', 16, 32, 0),
},
.channel[6] = IIO_CHAN_SOFT_TIMESTAMP(6),
},