linux-kernel - [PATCH 08/12] drm/panel: sofef00: Initialise at 50% brightness

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Message-Id: <20251104-sofef00-rebuild-v1-8-dfcfa17eb176@ixit.cz>
Date: Tue, 04 Nov 2025 23:16:16 +0100
From: David Heidelberg via B4 Relay <devnull+david.ixit.cz@...nel.org>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <jessica.zhang@....qualcomm.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, Sam Ravnborg <sam@...nborg.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Casey Connolly <casey.connolly@...aro.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 phone-devel@...r.kernel.org, David Heidelberg <david@...t.cz>
Subject: [PATCH 08/12] drm/panel: sofef00: Initialise at 50% brightness

From: Casey Connolly <casey.connolly@...aro.org>

Initialising at max brightness is not necessary.
Half brightness is much more comfortable.

Signed-off-by: Casey Connolly <casey.connolly@...aro.org>
Signed-off-by: David Heidelberg <david@...t.cz>
---
 drivers/gpu/drm/panel/panel-samsung-sofef00.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/drm/panel/panel-samsung-sofef00.c
index 0d3ae0689a19b..d1e5340d7e337 100644
--- a/drivers/gpu/drm/panel/panel-samsung-sofef00.c
+++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c
@@ -204,7 +204,7 @@ sofef00_create_backlight(struct mipi_dsi_device *dsi)
 	struct device *dev = &dsi->dev;
 	const struct backlight_properties props = {
 		.type = BACKLIGHT_PLATFORM,
-		.brightness = 1023,
+		.brightness = 512,
 		.max_brightness = 1023,
 	};
 

-- 
2.51.0