diff options
Diffstat (limited to 'drivers/staging/iio/iio_simple_dummy.c')
| -rw-r--r-- | drivers/staging/iio/iio_simple_dummy.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c index aee76c710a3..0e8e02a3cf5 100644 --- a/drivers/staging/iio/iio_simple_dummy.c +++ b/drivers/staging/iio/iio_simple_dummy.c @@ -71,25 +71,25 @@ static const struct iio_chan_spec iio_dummy_channels[] = { .indexed = 1, .channel = 0, /* What other information is available? */ - .info_mask = + .info_mask_separate = /* * in_voltage0_raw * Raw (unscaled no bias removal etc) measurement * from the device. */ - IIO_CHAN_INFO_RAW_SEPARATE_BIT | + BIT(IIO_CHAN_INFO_RAW) | /* * in_voltage0_offset * Offset for userspace to apply prior to scale * when converting to standard units (microvolts) */ - IIO_CHAN_INFO_OFFSET_SEPARATE_BIT | + BIT(IIO_CHAN_INFO_OFFSET) | /* * in_voltage0_scale * Multipler for userspace to apply post offset * when converting to standard units (microvolts) */ - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + BIT(IIO_CHAN_INFO_SCALE), /* The ordering of elements in the buffer via an enum */ .scan_index = voltage0, .scan_type = { /* Description of storage in buffer */ @@ -118,19 +118,18 @@ static const struct iio_chan_spec iio_dummy_channels[] = { .indexed = 1, .channel = 1, .channel2 = 2, - .info_mask = /* * in_voltage1-voltage2_raw * Raw (unscaled no bias removal etc) measurement * from the device. */ - IIO_CHAN_INFO_RAW_SEPARATE_BIT | + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), /* * in_voltage-voltage_scale * Shared version of scale - shared by differential * input channels of type IIO_VOLTAGE. */ - IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .scan_index = diffvoltage1m2, .scan_type = { /* Description of storage in buffer */ .sign = 's', /* signed */ @@ -146,9 +145,8 @@ static const struct iio_chan_spec iio_dummy_channels[] = { .indexed = 1, .channel = 3, .channel2 = 4, - .info_mask = - IIO_CHAN_INFO_RAW_SEPARATE_BIT | - IIO_CHAN_INFO_SCALE_SHARED_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), .scan_index = diffvoltage3m4, .scan_type = { .sign = 's', @@ -166,15 +164,15 @@ static const struct iio_chan_spec iio_dummy_channels[] = { .modified = 1, /* Channel 2 is use for modifiers */ .channel2 = IIO_MOD_X, - .info_mask = - IIO_CHAN_INFO_RAW_SEPARATE_BIT | + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | /* - * Internal bias correction value. Applied + * Internal bias and gain correction values. Applied * by the hardware or driver prior to userspace * seeing the readings. Typically part of hardware * calibration. */ - IIO_CHAN_INFO_CALIBBIAS_SEPARATE_BIT, + BIT(IIO_CHAN_INFO_CALIBSCALE) | + BIT(IIO_CHAN_INFO_CALIBBIAS), .scan_index = accelx, .scan_type = { /* Description of storage in buffer */ .sign = 's', /* signed */ @@ -191,7 +189,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = { /* DAC channel out_voltage0_raw */ { .type = IIO_VOLTAGE, - .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), .output = 1, .indexed = 1, .channel = 0, @@ -204,8 +202,8 @@ static const struct iio_chan_spec iio_dummy_channels[] = { * @chan: the channel whose data is to be read * @val: first element of returned value (typically INT) * @val2: second element of returned value (typically MICRO) - * @mask: what we actually want to read. 0 is the channel, everything else - * is as per the info_mask in iio_chan_spec. + * @mask: what we actually want to read as per the info_mask_* + * in iio_chan_spec. */ static int iio_dummy_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, @@ -287,8 +285,8 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev, * @chan: the channel whose data is to be written * @val: first element of value to set (typically INT) * @val2: second element of value to set (typically MICRO) - * @mask: what we actually want to write. 0 is the channel, everything else - * is as per the info_mask in iio_chan_spec. + * @mask: what we actually want to write as per the info_mask_* + * in iio_chan_spec. * * Note that all raw writes are assumed IIO_VAL_INT and info mask elements * are assumed to be IIO_INT_PLUS_MICRO unless the callback write_raw_get_fmt @@ -314,7 +312,7 @@ 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: + case IIO_CHAN_INFO_CALIBSCALE: mutex_lock(&st->lock); /* Compare against table - hard matching here */ for (i = 0; i < ARRAY_SIZE(dummy_scales); i++) @@ -327,6 +325,12 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev, st->accel_calibscale = &dummy_scales[i]; mutex_unlock(&st->lock); return ret; + case IIO_CHAN_INFO_CALIBBIAS: + mutex_lock(&st->lock); + st->accel_calibbias = val; + mutex_unlock(&st->lock); + return 0; + default: return -EINVAL; } |