From: 黄涛 <huangtao@rock-chips.com>
Date: Wed, 5 Sep 2012 07:22:12 +0000 (+0800)
Subject: rk3066b: sdk: rk29_backlight_io_deinit request gpio before gpio_direction_output
X-Git-Tag: firefly_0821_release~8727
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=57584f9da9a240d4808906a816f14b1f2a232151;p=firefly-linux-kernel-4.4.55.git

rk3066b: sdk: rk29_backlight_io_deinit request gpio before gpio_direction_output
---

diff --git a/arch/arm/mach-rk30/board-rk3066b-sdk.c b/arch/arm/mach-rk30/board-rk3066b-sdk.c
index 81c59f7fd5e5..b6e28e9eaf61 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_request(PWM_GPIO, NULL);
 	gpio_direction_output(PWM_GPIO, GPIO_LOW);
 	return ret;
 }