https://bugs.freedesktop.org/show_bug.cgi?id=31122
--- Comment #18 from Karol Herbst <[email protected]> ---
Comment on attachment 125642
--> https://bugs.freedesktop.org/attachment.cgi?id=125642
backlight control w/ gpio check
Review of attachment 125642:
-----------------------------------------------------------------
::: nouveau_backlight.c.orig
@@ +69,5 @@
> + else
> + level = val + NV30_BL_MIN_LEVEL - 1;
> +
> + nvif_wr32(device, NV30_PMC_BACKLIGHT,
> + (level << 16) + 0x80000535); /* workaround for disabled
> backlight after waking from suspend */
also like imirkin said: use | instead of +
((level << 16) + 0000535) | 0x80000000
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