[PATCH 03/15] video: fbdev: nvidia: Introduce backlight_get_brightness()

From: Sam Ravnborg via B4 Submission Endpoint
Date: Sat Jan 07 2023 - 13:26:53 EST


From: Sam Ravnborg <sam@xxxxxxxxxxxx>

Introduce backlight_get_brightness() to simplify logic
and avoid direct access to backlight properties.

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Antonino Daplas <adaplas@xxxxxxxxx>
Cc: linux-fbdev@xxxxxxxxxxxxxxx
---
drivers/video/fbdev/nvidia/nv_backlight.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/video/fbdev/nvidia/nv_backlight.c b/drivers/video/fbdev/nvidia/nv_backlight.c
index 2ce53529f636..503a7a683855 100644
--- a/drivers/video/fbdev/nvidia/nv_backlight.c
+++ b/drivers/video/fbdev/nvidia/nv_backlight.c
@@ -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;

--
2.34.1