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| author | Derek Basehore <dbasehore@chromium.org> | 2017-08-29 13:34:34 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-25 14:22:13 +0100 |
| commit | 78ffab9744ad1e94fca50f914f8574ecac310d30 (patch) | |
| tree | 26eec8b250e862fe9dfa011f596112d3bfa9533d /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 0ec5f7a3c9b6968c8041b8d3db8797d4e076d72a (diff) | |
backlight: pwm_bl: Fix overflow condition
[ Upstream commit 5d0c49acebc9488e37db95f1d4a55644e545ffe7 ]
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 <dbasehore@chromium.org>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions