From: Lars-Peter Clausen <lars@xxxxxxxxxx>
Precursor to making value read / write attribute optional.
No processed values in resolvers at the moment.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
---
drivers/staging/iio/iio_simple_dummy.c | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c
index e3a9457..dbeb04c 100644
--- a/drivers/staging/iio/iio_simple_dummy.c
+++ b/drivers/staging/iio/iio_simple_dummy.c
@@ -73,6 +73,12 @@ static struct iio_chan_spec iio_dummy_channels[] = {
/* What other information is available? */
.info_mask =
/*
+ * in_voltage0_raw
+ * Raw (unscaled no bias removal etc) measurement
+ * from the device.
+ */
+ IIO_CHAN_INFO_RAW_SEPARATE_BIT |
+ /*
* in_voltage0_offset
* Offset for userspace to apply prior to scale
* when converting to standard units (microvolts)
@@ -114,6 +120,12 @@ static struct iio_chan_spec iio_dummy_channels[] = {
.channel2 = 2,
.info_mask =
/*
+ * in_voltage1-voltage2_raw
+ * Raw (unscaled no bias removal etc) measurement
+ * from the device.
+ */
+ IIO_CHAN_INFO_RAW_SEPARATE_BIT |
+ /*
* in_voltage-voltage_scale
* Shared version of scale - shared by differential
* input channels of type IIO_VOLTAGE.
@@ -135,6 +147,7 @@ static struct iio_chan_spec iio_dummy_channels[] = {
.channel = 3,
.channel2 = 4,
.info_mask =
+ IIO_CHAN_INFO_RAW_SEPARATE_BIT |
IIO_CHAN_INFO_SCALE_SHARED_BIT,
.scan_index = diffvoltage3m4,
.scan_type = {
@@ -154,6 +167,7 @@ static struct iio_chan_spec iio_dummy_channels[] = {
/* Channel 2 is use for modifiers */
.channel2 = IIO_MOD_X,
.info_mask =
+ IIO_CHAN_INFO_RAW_SEPARATE_BIT |
/*
* Internal bias correction value. Applied
* by the hardware or driver prior to userspace
@@ -177,6 +191,7 @@ static struct iio_chan_spec iio_dummy_channels[] = {
/* DAC channel out_voltage0_raw */
{
.type = IIO_VOLTAGE,
+ .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
.output = 1,
.indexed = 1,
.channel = 0,
@@ -203,7 +218,7 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev,
mutex_lock(&st->lock);
switch (mask) {
- case 0: /* magic value - channel value read */
+ case IIO_CHAN_INFO_RAW: /* magic value - channel value read */
switch (chan->type) {
case IIO_VOLTAGE:
if (chan->output) {
@@ -290,7 +305,7 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
struct iio_dummy_state *st = iio_priv(indio_dev);
switch (mask) {
- case 0:
+ case IIO_CHAN_INFO_RAW:
if (chan->output == 0)
return -EINVAL;
--
1.7.9.4
--
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