From 23255f23b0bac0932ae86e27a4bb1f0305e41631 Mon Sep 17 00:00:00 2001
From: Joel Selvaraj <jo@jsfamily.in>
Date: Fri, 1 Apr 2022 05:48:08 +0530
Subject: drm/panel: nt36672a: add backlight support
Git-commit: c11256f82ec82216f69dafee75b3d854d92392d1
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
Add support for backlight. This panel supports backlight control
through the QCOM WLED driver in Xiaomi Poco F1 device.
Signed-off-by: Joel Selvaraj <jo@jsfamily.in>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/BY5PR02MB700935F5817128CB7C3991CDD9E09@BY5PR02MB7009.namprd02.prod.outlook.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/panel/panel-novatek-nt36672a.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
index 231f371901e8..6d6ce42787e2 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
@@ -628,6 +628,10 @@ static int nt36672a_panel_add(struct nt36672a_panel *pinfo)
drm_panel_init(&pinfo->base, dev, &panel_funcs, DRM_MODE_CONNECTOR_DSI);
+ ret = drm_panel_of_backlight(&pinfo->base);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get backlight\n");
+
drm_panel_add(&pinfo->base);
return 0;
--
2.38.1