* [PATCH v1 0/1] video: backlight: lp855x_bl: set correct eprom start for LP8556
@ 2025-09-09 7:43 Svyatoslav Ryhel
2025-09-09 7:43 ` [PATCH v1 1/1] " Svyatoslav Ryhel
0 siblings, 1 reply; 4+ messages in thread
From: Svyatoslav Ryhel @ 2025-09-09 7:43 UTC (permalink / raw)
To: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller
Cc: dri-devel, linux-fbdev, linux-kernel
According to datasheet LP8556s eprom region starts at 0x98, not 0xA0.
Adjust start value in the driver accordingly.
Svyatoslav Ryhel (1):
video: backlight: lp855x_bl: set correct eprom start for LP8556
drivers/video/backlight/lp855x_bl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
2.48.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v1 1/1] video: backlight: lp855x_bl: set correct eprom start for LP8556
2025-09-09 7:43 [PATCH v1 0/1] video: backlight: lp855x_bl: set correct eprom start for LP8556 Svyatoslav Ryhel
@ 2025-09-09 7:43 ` Svyatoslav Ryhel
2025-09-15 14:33 ` Daniel Thompson
2025-09-16 15:51 ` (subset) " Lee Jones
0 siblings, 2 replies; 4+ messages in thread
From: Svyatoslav Ryhel @ 2025-09-09 7:43 UTC (permalink / raw)
To: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller
Cc: dri-devel, linux-fbdev, linux-kernel
According to LP8556 datasheet eprom region starts at 0x98 so adjust value
in the driver accordingly.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
drivers/video/backlight/lp855x_bl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index 7075bfab59c4..d191560ce285 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -22,7 +22,7 @@
#define LP855X_DEVICE_CTRL 0x01
#define LP855X_EEPROM_START 0xA0
#define LP855X_EEPROM_END 0xA7
-#define LP8556_EPROM_START 0xA0
+#define LP8556_EPROM_START 0x98
#define LP8556_EPROM_END 0xAF
/* LP8555/7 Registers */
--
2.48.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v1 1/1] video: backlight: lp855x_bl: set correct eprom start for LP8556
2025-09-09 7:43 ` [PATCH v1 1/1] " Svyatoslav Ryhel
@ 2025-09-15 14:33 ` Daniel Thompson
2025-09-16 15:51 ` (subset) " Lee Jones
1 sibling, 0 replies; 4+ messages in thread
From: Daniel Thompson @ 2025-09-15 14:33 UTC (permalink / raw)
To: Svyatoslav Ryhel
Cc: Lee Jones, Jingoo Han, Helge Deller, dri-devel, linux-fbdev,
linux-kernel
On Tue, Sep 09, 2025 at 10:43:04AM +0300, Svyatoslav Ryhel wrote:
> According to LP8556 datasheet eprom region starts at 0x98 so adjust value
> in the driver accordingly.
>
> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Daniel.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: (subset) [PATCH v1 1/1] video: backlight: lp855x_bl: set correct eprom start for LP8556
2025-09-09 7:43 ` [PATCH v1 1/1] " Svyatoslav Ryhel
2025-09-15 14:33 ` Daniel Thompson
@ 2025-09-16 15:51 ` Lee Jones
1 sibling, 0 replies; 4+ messages in thread
From: Lee Jones @ 2025-09-16 15:51 UTC (permalink / raw)
To: Lee Jones, Daniel Thompson, Jingoo Han, Helge Deller,
Svyatoslav Ryhel
Cc: dri-devel, linux-fbdev, linux-kernel
On Tue, 09 Sep 2025 10:43:04 +0300, Svyatoslav Ryhel wrote:
> According to LP8556 datasheet eprom region starts at 0x98 so adjust value
> in the driver accordingly.
>
>
Applied, thanks!
[1/1] video: backlight: lp855x_bl: set correct eprom start for LP8556
commit: 07c7efda24453e05951fb2879f5452b720b91169
--
Lee Jones [李琼斯]
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-09-16 15:51 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2025-09-09 7:43 [PATCH v1 0/1] video: backlight: lp855x_bl: set correct eprom start for LP8556 Svyatoslav Ryhel
2025-09-09 7:43 ` [PATCH v1 1/1] " Svyatoslav Ryhel
2025-09-15 14:33 ` Daniel Thompson
2025-09-16 15:51 ` (subset) " Lee Jones
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