diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-09-10 14:49:00 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-09-14 22:17:17 +0200 |
| commit | ea01f2c18a22a2a8385909d64662afc92da6b13f (patch) | |
| tree | 3691f22efcc952477573db50ac5d65ca2b2f144b /drivers/iio/pressure | |
| parent | iio: pressure-core: st: Expand and rename LPS331AP's channel descriptor (diff) | |
| download | linux-ea01f2c18a22a2a8385909d64662afc92da6b13f.tar.xz linux-ea01f2c18a22a2a8385909d64662afc92da6b13f.zip | |
iio: pressure-core: st: Allow for number of channels to vary
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 <lee.jones@linaro.org>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/pressure')
| -rw-r--r-- | drivers/iio/pressure/st_pressure_core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 506b02d27b0a..93bff9ba05d6 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 *) |