2022-06-08 05:57:39

by Stephen Kitt

Subject: [PATCH 2/4] backlight: arcxcnn: Use backlight helper

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 <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: Daniel Thompson <[email protected]>
Cc: Jingoo Han <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
drivers/video/backlight/arcxcnn_bl.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/video/backlight/arcxcnn_bl.c b/drivers/video/backlight/arcxcnn_bl.c
index 7b1c0a0e6cad..a706899eb7ac 100644
--- a/drivers/video/backlight/arcxcnn_bl.c
+++ b/drivers/video/backlight/arcxcnn_bl.c
@@ -130,12 +130,9 @@ static int arcxcnn_set_brightness(struct arcxcnn *lp, u32 brightness)
static int arcxcnn_bl_update_status(struct backlight_device *bl)
{
struct arcxcnn *lp = bl_get_data(bl);
- u32 brightness = bl->props.brightness;
+ u32 brightness = backlight_get_brightness(bl);
int ret;

- if (bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
- brightness = 0;
-
ret = arcxcnn_set_brightness(lp, brightness);
if (ret)
return ret;
--
2.30.2

2022-06-08 15:02:00

by Daniel Thompson

Subject: Re: [PATCH 2/4] backlight: arcxcnn: Use backlight helper

On Tue, Jun 07, 2022 at 09:09:23PM +0200, Stephen Kitt wrote:
> 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 <[email protected]>
> Cc: Lee Jones <[email protected]>
> Cc: Daniel Thompson <[email protected]>
> Cc: Jingoo Han <[email protected]>
> Cc: Helge Deller <[email protected]>
> Cc: [email protected]
> Cc: [email protected]

Reviewed-by: Daniel Thompson <[email protected]>


Daniel.