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path: root/drivers/staging/iio/adc/ad7793.c
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Diffstat (limited to 'drivers/staging/iio/adc/ad7793.c')
-rw-r--r--drivers/staging/iio/adc/ad7793.c50
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c
index c3fdfed..803c45f 100644
--- a/drivers/staging/iio/adc/ad7793.c
+++ b/drivers/staging/iio/adc/ad7793.c
@@ -667,19 +667,21 @@ static int ad7793_read_raw(struct iio_dev *indio_dev,
return IIO_VAL_INT;
- case IIO_CHAN_INFO_SCALE_SHARED:
- *val = st->scale_avail[(st->conf >> 8) & 0x7][0];
- *val2 = st->scale_avail[(st->conf >> 8) & 0x7][1];
-
- return IIO_VAL_INT_PLUS_NANO;
-
- case IIO_CHAN_INFO_SCALE_SEPARATE:
+ case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
case IIO_VOLTAGE:
- /* 1170mV / 2^23 * 6 */
- scale_uv = (1170ULL * 100000000ULL * 6ULL)
- >> (chan->scan_type.realbits -
- (unipolar ? 0 : 1));
+ if (chan->differential) {
+ *val = st->
+ scale_avail[(st->conf >> 8) & 0x7][0];
+ *val2 = st->
+ scale_avail[(st->conf >> 8) & 0x7][1];
+ return IIO_VAL_INT_PLUS_NANO;
+ } else {
+ /* 1170mV / 2^23 * 6 */
+ scale_uv = (1170ULL * 100000000ULL * 6ULL)
+ >> (chan->scan_type.realbits -
+ (unipolar ? 0 : 1));
+ }
break;
case IIO_TEMP:
/* Always uses unity gain and internal ref */
@@ -716,7 +718,7 @@ static int ad7793_write_raw(struct iio_dev *indio_dev,
}
switch (mask) {
- case IIO_CHAN_INFO_SCALE_SHARED:
+ case IIO_CHAN_INFO_SCALE:
ret = -EINVAL;
for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++)
if (val2 == st->scale_avail[i][1]) {
@@ -775,7 +777,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 0,
.channel2 = 0,
.address = AD7793_CH_AIN1P_AIN1M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 0,
.scan_type = IIO_ST('s', 24, 32, 0)
},
@@ -786,7 +788,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 1,
.channel2 = 1,
.address = AD7793_CH_AIN2P_AIN2M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 1,
.scan_type = IIO_ST('s', 24, 32, 0)
},
@@ -797,7 +799,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 2,
.channel2 = 2,
.address = AD7793_CH_AIN3P_AIN3M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 2,
.scan_type = IIO_ST('s', 24, 32, 0)
},
@@ -809,7 +811,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 2,
.channel2 = 2,
.address = AD7793_CH_AIN1M_AIN1M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 2,
.scan_type = IIO_ST('s', 24, 32, 0)
},
@@ -818,7 +820,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.indexed = 1,
.channel = 0,
.address = AD7793_CH_TEMP,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 4,
.scan_type = IIO_ST('s', 24, 32, 0),
},
@@ -828,7 +830,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.indexed = 1,
.channel = 4,
.address = AD7793_CH_AVDD_MONITOR,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 5,
.scan_type = IIO_ST('s', 24, 32, 0),
},
@@ -842,7 +844,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 0,
.channel2 = 0,
.address = AD7793_CH_AIN1P_AIN1M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 0,
.scan_type = IIO_ST('s', 16, 32, 0)
},
@@ -853,7 +855,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 1,
.channel2 = 1,
.address = AD7793_CH_AIN2P_AIN2M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 1,
.scan_type = IIO_ST('s', 16, 32, 0)
},
@@ -864,7 +866,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 2,
.channel2 = 2,
.address = AD7793_CH_AIN3P_AIN3M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 2,
.scan_type = IIO_ST('s', 16, 32, 0)
},
@@ -876,7 +878,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.channel = 2,
.channel2 = 2,
.address = AD7793_CH_AIN1M_AIN1M,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SHARED),
+ .info_mask = IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = 2,
.scan_type = IIO_ST('s', 16, 32, 0)
},
@@ -885,7 +887,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.indexed = 1,
.channel = 0,
.address = AD7793_CH_TEMP,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 4,
.scan_type = IIO_ST('s', 16, 32, 0),
},
@@ -895,7 +897,7 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
.indexed = 1,
.channel = 4,
.address = AD7793_CH_AVDD_MONITOR,
- .info_mask = (1 << IIO_CHAN_INFO_SCALE_SEPARATE),
+ .info_mask = IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
.scan_index = 5,
.scan_type = IIO_ST('s', 16, 32, 0),
},
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