From: hxy <hxy@rock-chips.com>
Date: Wed, 5 Sep 2012 06:07:48 +0000 (+0800)
Subject: rk3066b: pull down backlight pin when power off
X-Git-Tag: firefly_0821_release~8733
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=73b825608bc7e5da19b8f2850d7276b2ccb65b00;p=firefly-linux-kernel-4.4.55.git

rk3066b: pull down backlight pin when power off
---

diff --git a/arch/arm/mach-rk30/board-rk3066b-sdk.c b/arch/arm/mach-rk30/board-rk3066b-sdk.c
index 7c6196049373..81c59f7fd5e5 100644
--- a/arch/arm/mach-rk30/board-rk3066b-sdk.c
+++ b/arch/arm/mach-rk30/board-rk3066b-sdk.c
@@ -168,6 +168,7 @@ static int rk29_backlight_io_deinit(void)
 	gpio_free(BL_EN_PIN);
 #endif
 	rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);
+	gpio_direction_output(PWM_GPIO, GPIO_LOW);
 	return ret;
 }