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video: backlight: pwm: avoid integer overflow in duty cycle calculation
authorMatthias Schiffer <[email protected]>
Fri, 30 Jun 2023 12:30:07 +0000 (14:30 +0200)
committerAnatolij Gustschin <[email protected]>
Fri, 14 Jul 2023 16:12:37 +0000 (18:12 +0200)
commit533ad9dcda38a78c7965e9cea8a05c80d18449e4
treebd8f811e57b12d47c2a5a30e62cd3a1c3902bc2etree | snapshot
parent6a0b8885802a4548de9ee54494033b4f19a01b56commit | diff
video: backlight: pwm: avoid integer overflow in duty cycle calculation

The intermediate value could overflow for large periods and levels.

Signed-off-by: Matthias Schiffer <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
drivers/video/pwm_backlight.c diff | blob | blame | history
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