From 345d36287eaad7de00048a949c7c8f0938b49b78 Mon Sep 17 00:00:00 2001
From: CTCaer <ctcaer@gmail.com>
Date: Sun, 11 Apr 2021 09:16:55 +0300
Subject: [PATCH] display: add pwm duty getter

---
 bdk/display/di.c | 5 +++++
 bdk/display/di.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/bdk/display/di.c b/bdk/display/di.c
index 26e905a..1c79823 100644
--- a/bdk/display/di.c
+++ b/bdk/display/di.c
@@ -507,6 +507,11 @@ void display_backlight_brightness(u32 brightness, u32 step_delay)
 		PWM(PWM_CONTROLLER_PWM_CSR_0) = 0;
 }
 
+u32 display_get_backlight_brightness()
+{
+	return ((PWM(PWM_CONTROLLER_PWM_CSR_0) >> 16) & 0xFF);
+}
+
 static void _display_panel_and_hw_end(bool no_panel_deinit)
 {
 	if (no_panel_deinit)
diff --git a/bdk/display/di.h b/bdk/display/di.h
index 5db7b67..4f80214 100644
--- a/bdk/display/di.h
+++ b/bdk/display/di.h
@@ -706,6 +706,7 @@ void display_color_screen(u32 color);
 /*! Switches screen backlight ON/OFF. */
 void display_backlight(bool enable);
 void display_backlight_brightness(u32 brightness, u32 step_delay);
+u32  display_get_backlight_brightness();
 
 /*! Init display in full 1280x720 resolution (B8G8R8A8, line stride 768, framebuffer size = 1280*768*4 bytes). */
 u32 *display_init_framebuffer_pitch();