iio: light: ltr390: Added configurable sampling frequency support

Provided configurable sampling frequency(Measurement rate) support.
Also exposed the available sampling frequency values using read_avail
callback.

Signed-off-by: Abhash Jha <abhashkumarjha123@gmail.com>
Link: https://patch.msgid.link/20240914181246.504450-2-abhashkumarjha123@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Abhash Jha 2024-09-14 23:42:43 +05:30 • committed by Jonathan Cameron
commit bd7057bb94