31 Mar
2021
31 Mar
'21
7:49 p.m.
Quoting Gwendal Grignou (2021-03-31 11:22:22)
Check input to be sure it matches Semtech sx9310 specification and can fit into debounce register. Compare argument writen to thresh_.._period with read from same sysfs attribute:
Before: Afer: write | read write | read -1 | 8 -1 fails: -EINVAL 0 | 8 0 | 0 1 | 0 1 | 0 2..15 | 2^log2(N) 2..15 | 2^log2(N) 16 | 0 >= 16 fails: -EINVAL
Fixes: 1b6872015f0b ("iio: sx9310: Support setting debounce values") Signed-off-by: Gwendal Grignou gwendal@chromium.org Cc: stable@vger.kernel.org
Reviewed-by: Stephen Boyd swboyd@chromium.org