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Code Issues Releases Wiki Activity

fbdev: nvidia: Use backlight helper

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Instead of retrieving the backlight brightness in struct
backlight_properties manually, and then checking whether the backlight
should be on at all, use backlight_get_brightness() which does all
this and insulates this from future changes.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Stephen Kitt 2022-06-07 21:23:33 +02:00 committed by Helge Deller
parent 973fcf37c2
commit 1cc17590dd
1 changed files with 1 additions and 7 deletions
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8
drivers/video/fbdev/nvidia/nv_backlight.c
View file

@ -49,17 +49,11 @@ static int nvidia_bl_update_status(struct backlight_device *bd)
{
struct nvidia_par *par = bl_get_data(bd);
u32 tmp_pcrt, tmp_pmc, fpcontrol;
int level;
int level = backlight_get_brightness(bd);
if (!par->FlatPanel)
return 0;
if (bd->props.power != FB_BLANK_UNBLANK ||
bd->props.fb_blank != FB_BLANK_UNBLANK)
level = 0;
else
level = bd->props.brightness;
tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF;
tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC;
fpcontrol = NV_RD32(par->PRAMDAC, 0x0848) & 0xCFFFFFCC;