diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-04-15 17:41:27 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-18 16:38:21 -0700 |
| commit | 41fd935b1812b9d811911a85d5893493f5ec774a (patch) | |
| tree | 84141ee047f392543909a319bb26cafb7894d0ec /drivers/staging/iio | |
| parent | e33e0750826b73ca505244c79152bba1e37c85d0 (diff) | |
staging:iio: Add IIO_CHAN_INFO_RAW entries to the dummy driver
Precursor to making value read / write attribute optional.
No processed values in resolvers at the moment.
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>
Diffstat (limited to 'drivers/staging/iio')
| -rw-r--r-- | drivers/staging/iio/iio_simple_dummy.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c index e3a94572bb40..dbeb04c70f0f 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; |