On 19/08/14 23:43, Peter Meerwald wrote:
> allow to specify channels resolution and compute shift assuming
> 16-bit registers and MSB allocation
>
> Signed-off-by: Peter Meerwald <pmeerw@xxxxxxxxxx>
> Cc: Oleksandr Kravchenko <o.v.kravchenko@xxxxxxxxxxxxxxx>
Applied
> ---
> drivers/iio/accel/bma180.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
> index a25b060..6e940b0 100644
> --- a/drivers/iio/accel/bma180.c
> +++ b/drivers/iio/accel/bma180.c
> @@ -474,7 +474,7 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = {
> { },
> };
>
> -#define BMA180_ACC_CHANNEL(_axis) { \
> +#define BMA180_ACC_CHANNEL(_axis, _bits) { \
> .type = IIO_ACCEL, \
> .modified = 1, \
> .channel2 = IIO_MOD_##_axis, \
> @@ -484,9 +484,9 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = {
> .scan_index = AXIS_##_axis, \
> .scan_type = { \
> .sign = 's', \
> - .realbits = 14, \
> + .realbits = _bits, \
> .storagebits = 16, \
> - .shift = 2, \
> + .shift = 16 - _bits, \
> }, \
> .ext_info = bma180_ext_info, \
> }
> @@ -504,9 +504,9 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = {
> }
>
> static const struct iio_chan_spec bma180_channels[] = {
> - BMA180_ACC_CHANNEL(X),
> - BMA180_ACC_CHANNEL(Y),
> - BMA180_ACC_CHANNEL(Z),
> + BMA180_ACC_CHANNEL(X, 14),
> + BMA180_ACC_CHANNEL(Y, 14),
> + BMA180_ACC_CHANNEL(Z, 14),
> BMA180_TEMP_CHANNEL,
> IIO_CHAN_SOFT_TIMESTAMP(4),
> };
>
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