On Tue, Aug 29, 2017 at 01:34:34PM -0700, Derek Basehore wrote: > This fixes an overflow condition that can happen with high max > brightness and period values in compute_duty_cycle. This fixes it by > using a 64 bit variable for computing the duty cycle. > > Signed-off-by: Derek Basehore <[email protected]> > --- > drivers/video/backlight/pwm_bl.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-)
I'm still confused by the brightness-levels-scale comment in the other thread, but this looks like a good fix for a potential overflow so: Acked-by: Thierry Reding <[email protected]>
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