diff options
Diffstat (limited to 'drivers/staging/iio/iio_simple_dummy.c')
| -rw-r--r-- | drivers/staging/iio/iio_simple_dummy.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c index 2196ff1..228f991 100644 --- a/drivers/staging/iio/iio_simple_dummy.c +++ b/drivers/staging/iio/iio_simple_dummy.c @@ -77,13 +77,13 @@ static struct iio_chan_spec iio_dummy_channels[] = { * Offset for userspace to apply prior to scale * when converting to standard units (microvolts) */ - (1 << IIO_CHAN_INFO_OFFSET_SEPARATE) | + IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | /* * in_voltage0_scale * Multipler for userspace to apply post offset * when converting to standard units (microvolts) */ - (1 << IIO_CHAN_INFO_SCALE_SEPARATE), + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, /* The ordering of elements in the buffer via an enum */ .scan_index = voltage0, .scan_type = { /* Description of storage in buffer */ @@ -118,7 +118,7 @@ static struct iio_chan_spec iio_dummy_channels[] = { * Shared version of scale - shared by differential * input channels of type IIO_VOLTAGE. */ - (1 << IIO_CHAN_INFO_SCALE_SHARED), + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = diffvoltage1m2, .scan_type = { /* Description of storage in buffer */ .sign = 's', /* signed */ @@ -135,7 +135,7 @@ static struct iio_chan_spec iio_dummy_channels[] = { .channel = 3, .channel2 = 4, .info_mask = - (1 << IIO_CHAN_INFO_SCALE_SHARED), + IIO_CHAN_INFO_SCALE_SHARED_BIT, .scan_index = diffvoltage3m4, .scan_type = { .sign = 's', @@ -160,7 +160,7 @@ static struct iio_chan_spec iio_dummy_channels[] = { * seeing the readings. Typically part of hardware * calibration. */ - (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE), + IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, .scan_index = accelx, .scan_type = { /* Description of storage in buffer */ .sign = 's', /* signed */ @@ -229,29 +229,32 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev, break; } break; - case IIO_CHAN_INFO_OFFSET_SEPARATE: + case IIO_CHAN_INFO_OFFSET: /* only single ended adc -> 7 */ *val = 7; ret = IIO_VAL_INT; break; - case IIO_CHAN_INFO_SCALE_SEPARATE: - /* only single ended adc -> 0.001333 */ - *val = 0; - *val2 = 1333; - ret = IIO_VAL_INT_PLUS_MICRO; - break; - case IIO_CHAN_INFO_SCALE_SHARED: - /* all differential adc channels -> 0.000001344 */ - *val = 0; - *val2 = 1344; - ret = IIO_VAL_INT_PLUS_NANO; + case IIO_CHAN_INFO_SCALE: + switch (chan->differential) { + case 0: + /* only single ended adc -> 0.001333 */ + *val = 0; + *val2 = 1333; + ret = IIO_VAL_INT_PLUS_MICRO; + break; + case 1: + /* all differential adc channels -> 0.000001344 */ + *val = 0; + *val2 = 1344; + ret = IIO_VAL_INT_PLUS_NANO; + } break; - case IIO_CHAN_INFO_CALIBBIAS_SEPARATE: + case IIO_CHAN_INFO_CALIBBIAS: /* only the acceleration axis - read from cache */ *val = st->accel_calibbias; ret = IIO_VAL_INT; break; - case IIO_CHAN_INFO_CALIBSCALE_SEPARATE: + case IIO_CHAN_INFO_CALIBSCALE: *val = st->accel_calibscale->val; *val2 = st->accel_calibscale->val2; ret = IIO_VAL_INT_PLUS_MICRO; @@ -296,7 +299,7 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev, st->dac_val = val; mutex_unlock(&st->lock); return 0; - case IIO_CHAN_INFO_CALIBBIAS_SEPARATE: + case IIO_CHAN_INFO_CALIBBIAS: mutex_lock(&st->lock); /* Compare against table - hard matching here */ for (i = 0; i < ARRAY_SIZE(dummy_scales); i++) |