From 4bc0a0591c7e3be8288ec9191e2ddbe1e3bc6948 Mon Sep 17 00:00:00 2001
From: CTCaer <ctcaer@gmail.com>
Date: Sun, 19 May 2024 10:15:52 +0300
Subject: [PATCH] bdk: display: wait 2us for bl pwm config to take

Fixes the tiny blink showing up while pwm is still at max.
---
 bdk/display/di.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bdk/display/di.c b/bdk/display/di.c
index bcdf153..ca51ba3 100644
--- a/bdk/display/di.c
+++ b/bdk/display/di.c
@@ -630,6 +630,8 @@ void display_backlight_pwm_init()
 	PWM(PWM_CONTROLLER_PWM_CSR_0) = PWM_CSR_EN;
 
 	PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) = (PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) & ~PINMUX_FUNC_MASK) | 1; // Set PWM0 mode.
+	usleep(2);
+
 	gpio_config(GPIO_PORT_V, GPIO_PIN_0, GPIO_MODE_SPIO); // Backlight power mode.
 }