diff options
| author | Jonathan Cameron <jic23@kernel.org> | 2013-09-08 13:57:00 (GMT) |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-09-15 16:46:33 (GMT) |
| commit | 6a63aa0a09414256c89b48fc012b189756da690e (patch) | |
| tree | 16f4a363e592fc0fec3777f253502a953d852bf9 /drivers | |
| parent | c006ec838414d910bdd63ba8d919e602425e194e (diff) | |
| download | linux-fsl-qoriq-6a63aa0a09414256c89b48fc012b189756da690e.tar.xz | |
staging:iio: dummy driver additions to show shared_by_dir infomask usage
Note that as this driver has output as well as output channels an
example of info_mask_shared_by_all that makes any sense does not exist.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/iio/iio_simple_dummy.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c index 0e8e02a..141ec61 100644 --- a/drivers/staging/iio/iio_simple_dummy.c +++ b/drivers/staging/iio/iio_simple_dummy.c @@ -90,6 +90,11 @@ static const struct iio_chan_spec iio_dummy_channels[] = { * when converting to standard units (microvolts) */ BIT(IIO_CHAN_INFO_SCALE), + /* + * sampling_frequency + * The frequency in Hz at which the channels are sampled + */ + .info_mask_shared_by_dir = BIT(IIO_CHAN_INFO_SAMP_FREQ), /* The ordering of elements in the buffer via an enum */ .scan_index = voltage0, .scan_type = { /* Description of storage in buffer */ @@ -130,6 +135,10 @@ static const struct iio_chan_spec iio_dummy_channels[] = { * input channels of type IIO_VOLTAGE. */ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + /* + * sampling_frequency + * The frequency in Hz at which the channels are sampled + */ .scan_index = diffvoltage1m2, .scan_type = { /* Description of storage in buffer */ .sign = 's', /* signed */ @@ -147,6 +156,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = { .channel2 = 4, .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), + .info_mask_shared_by_dir = BIT(IIO_CHAN_INFO_SAMP_FREQ), .scan_index = diffvoltage3m4, .scan_type = { .sign = 's', @@ -173,6 +183,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = { */ BIT(IIO_CHAN_INFO_CALIBSCALE) | BIT(IIO_CHAN_INFO_CALIBBIAS), + .info_mask_shared_by_dir = BIT(IIO_CHAN_INFO_SAMP_FREQ), .scan_index = accelx, .scan_type = { /* Description of storage in buffer */ .sign = 's', /* signed */ @@ -272,6 +283,11 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev, *val2 = st->accel_calibscale->val2; ret = IIO_VAL_INT_PLUS_MICRO; break; + case IIO_CHAN_INFO_SAMP_FREQ: + *val = 3; + *val2 = 33; + ret = IIO_VAL_INT_PLUS_NANO; + break; default: break; } |