On 09/10/13 13:49, Lee Jones wrote:
> At the moment the number of channels specified is dictated by the first
> sensor supported by the driver. As we add support for more sensors this
> is likely to vary. Instead of using the ARRAY_SIZE() of the LPS331AP's
> channel specifier we'll use a new adaptable 'struct st_sensors' element
> instead.
> 
> Signed-off-by: Lee Jones <[email protected]>
Applied with Denis ack (again it should have been here)
> ---
>  drivers/iio/pressure/st_pressure_core.c | 3 ++-
>  include/linux/iio/common/st_sensors.h   | 1 +
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/pressure/st_pressure_core.c 
> b/drivers/iio/pressure/st_pressure_core.c
> index 60c2ee4..3abada2 100644
> --- a/drivers/iio/pressure/st_pressure_core.c
> +++ b/drivers/iio/pressure/st_pressure_core.c
> @@ -107,6 +107,7 @@ static const struct st_sensors st_press_sensors[] = {
>                       [0] = LPS331AP_PRESS_DEV_NAME,
>               },
>               .ch = (struct iio_chan_spec *)st_press_lps331ap_channels,
> +             .num_ch = ARRAY_SIZE(st_press_lps331ap_channels),
>               .odr = {
>                       .addr = ST_PRESS_LPS331AP_ODR_ADDR,
>                       .mask = ST_PRESS_LPS331AP_ODR_MASK,
> @@ -245,7 +246,7 @@ int st_press_common_probe(struct iio_dev *indio_dev,
>       pdata->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS;
>       pdata->multiread_bit = pdata->sensor->multi_read_bit;
>       indio_dev->channels = pdata->sensor->ch;
> -     indio_dev->num_channels = ARRAY_SIZE(st_press_lps331ap_channels);
> +     indio_dev->num_channels = pdata->sensor->num_ch;
>  
>       if (pdata->sensor->fs.addr != 0)
>               pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
> diff --git a/include/linux/iio/common/st_sensors.h 
> b/include/linux/iio/common/st_sensors.h
> index e51f654..e732fda 100644
> --- a/include/linux/iio/common/st_sensors.h
> +++ b/include/linux/iio/common/st_sensors.h
> @@ -184,6 +184,7 @@ struct st_sensors {
>       u8 wai;
>       char sensors_supported[ST_SENSORS_MAX_4WAI][ST_SENSORS_MAX_NAME];
>       struct iio_chan_spec *ch;
> +     int num_ch;
>       struct st_sensor_odr odr;
>       struct st_sensor_power pw;
>       struct st_sensor_axis enable_axis;
> 
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