From: 黄涛 <huangtao@rock-chips.com>
Date: Fri, 31 Dec 2010 07:39:34 +0000 (+0800)
Subject: rk29sdk: add poweroff support
X-Git-Tag: firefly_0821_release~10848
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bc24881bffb10fa340e9c358a97aff9a21327cef;p=firefly-linux-kernel-4.4.55.git

rk29sdk: add poweroff support
---

diff --git a/arch/arm/mach-rk29/board-rk29sdk.c b/arch/arm/mach-rk29/board-rk29sdk.c
index c56d250d023c..2760eda41e30 100755
--- a/arch/arm/mach-rk29/board-rk29sdk.c
+++ b/arch/arm/mach-rk29/board-rk29sdk.c
@@ -1574,13 +1574,23 @@ static void __init machine_rk29_init_irq(void)
 	rk29_gpio_init(rk29_gpiobankinit, MAX_BANK);
 	rk29_gpio_irq_setup();
 }
+
 #define POWER_ON_PIN RK29_PIN4_PA4
+static void rk29_pm_power_off(void)
+{
+	printk(KERN_ERR "rk29_pm_power_off start...\n");
+	gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
+	while (1);
+}
+
 static void __init machine_rk29_board_init(void)
 {
 	rk29_board_iomux_init();
+
 	gpio_request(POWER_ON_PIN,"poweronpin");
 	gpio_set_value(POWER_ON_PIN, GPIO_HIGH);
 	gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
+	pm_power_off = rk29_pm_power_off;
 
 #ifdef CONFIG_WIFI_CONTROL_FUNC
                 rk29sdk_wifi_bt_gpio_control_init();