* [PATCH] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME
@ 2026-03-28 20:42 Duje Mihanović
2026-04-14 16:24 ` Daniel Thompson
2026-04-30 13:35 ` (subset) " Lee Jones
0 siblings, 2 replies; 3+ messages in thread
From: Duje Mihanović @ 2026-03-28 20:42 UTC (permalink / raw)
To: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller
Cc: Karel Balej, dri-devel, linux-fbdev, phone-devel,
~postmarketos/upstreaming, linux-kernel, Duje Mihanović,
stable
From: Duje Mihanović <duje@dujemihanovic.xyz>
Boards using this backlight chip do not power the backlight off on
suspend. Enable BL_CORE_SUSPENDRESUME so the chip gets powered off by
the backlight core on suspend.
Tested on samsung,coreprimevelte.
Cc: stable@vger.kernel.org # v6.19
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
---
drivers/video/backlight/ktd2801-backlight.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/video/backlight/ktd2801-backlight.c b/drivers/video/backlight/ktd2801-backlight.c
index 17eac1b3bce4..1b1307e03b20 100644
--- a/drivers/video/backlight/ktd2801-backlight.c
+++ b/drivers/video/backlight/ktd2801-backlight.c
@@ -53,6 +53,7 @@ static int ktd2801_update_status(struct backlight_device *bd)
}
static const struct backlight_ops ktd2801_backlight_ops = {
+ .options = BL_CORE_SUSPENDRESUME,
.update_status = ktd2801_update_status,
};
---
base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
change-id: 20260314-ktd2801-pm-fix-17e8715f8c37
Best regards,
--
Duje Mihanović <duje@dujemihanovic.xyz>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME
2026-03-28 20:42 [PATCH] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME Duje Mihanović
@ 2026-04-14 16:24 ` Daniel Thompson
2026-04-30 13:35 ` (subset) " Lee Jones
1 sibling, 0 replies; 3+ messages in thread
From: Daniel Thompson @ 2026-04-14 16:24 UTC (permalink / raw)
To: Duje Mihanović
Cc: Lee Jones, Jingoo Han, Helge Deller, Karel Balej, dri-devel,
linux-fbdev, phone-devel, ~postmarketos/upstreaming,
linux-kernel, Duje Mihanović,
stable
On Sat, Mar 28, 2026 at 09:42:16PM +0100, Duje Mihanović wrote:
> From: Duje Mihanović <duje@dujemihanovic.xyz>
>
> Boards using this backlight chip do not power the backlight off on
> suspend. Enable BL_CORE_SUSPENDRESUME so the chip gets powered off by
> the backlight core on suspend.
>
> Tested on samsung,coreprimevelte.
>
> Cc: stable@vger.kernel.org # v6.19
> Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Daniel.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: (subset) [PATCH] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME
2026-03-28 20:42 [PATCH] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME Duje Mihanović
2026-04-14 16:24 ` Daniel Thompson
@ 2026-04-30 13:35 ` Lee Jones
1 sibling, 0 replies; 3+ messages in thread
From: Lee Jones @ 2026-04-30 13:35 UTC (permalink / raw)
To: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller,
Duje Mihanović
Cc: Karel Balej, dri-devel, linux-fbdev, phone-devel,
~postmarketos/upstreaming, linux-kernel, Duje Mihanović,
stable
On Sat, 28 Mar 2026 21:42:16 +0100, Duje Mihanović wrote:
> Boards using this backlight chip do not power the backlight off on
> suspend. Enable BL_CORE_SUSPENDRESUME so the chip gets powered off by
> the backlight core on suspend.
>
> Tested on samsung,coreprimevelte.
>
>
> [...]
Applied, thanks!
[1/1] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME
commit: f37f5a2ac9d3737617c08f0dc7270b42e9cad907
--
Lee Jones [李琼斯]
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-04-30 13:35 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2026-03-28 20:42 [PATCH] backlight: ktd2801: enable BL_CORE_SUSPENDRESUME Duje Mihanović
2026-04-14 16:24 ` Daniel Thompson
2026-04-30 13:35 ` (subset) " Lee Jones
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