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rk3288 hdmi: add iomux to gpio and pull down when suspend

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This commit is contained in:
zwl
2014-06-06 08:49:13 +08:00
parent 74698c2a61
commit 7c772ad707
2 changed files with 9 additions and 0 deletions
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1
arch/arm/boot/dts/rk3288-pinctrl.dtsi
View File

@@ -399,6 +399,7 @@
i2c5_gpio: i2c5-gpio {
rockchip,pins = <FUNC_TO_GPIO(EDPHDMII2C_SDA)>, <FUNC_TO_GPIO(EDPHDMII2C_SCL)>;
rockchip,pull = <VALUE_PULL_DOWN>;
rockchip,drive = <VALUE_DRV_DEFAULT>;
};
};

8
drivers/video/rockchip/hdmi/chips/rk3288/rk3288_hdmi.c
View File

@@ -280,6 +280,7 @@ static int rk3288_hdmi_drv_init(struct hdmi *hdmi_drv)
static void rk3288_hdmi_early_suspend(void)
{
struct hdmi *hdmi_drv = &hdmi_dev->driver;
struct pinctrl_state *gpio_state;
if (hdmi_drv->suspend)
return;
@@ -302,6 +303,10 @@ static void rk3288_hdmi_early_suspend(void)
wait_for_completion_interruptible_timeout(&hdmi_drv->complete,
msecs_to_jiffies(5000));
flush_delayed_work(&hdmi_drv->delay_work);
/* iomux to gpio and pull down when suspend */
gpio_state = pinctrl_lookup_state(hdmi_dev->dev->pins->p, "gpio");
pinctrl_select_state(hdmi_dev->dev->pins->p, gpio_state);
rk3288_hdmi_clk_disable(hdmi_dev);
return;
}
@@ -314,6 +319,9 @@ static void rk3288_hdmi_early_resume(void)
return;
hdmi_dbg(hdmi_drv->dev, "hdmi enter early resume\n");
/* iomux to default state for hdmi use when resume */
pinctrl_select_state(hdmi_dev->dev->pins->p,
hdmi_dev->dev->pins->default_state);
rk3288_hdmi_clk_enable(hdmi_dev);
mutex_lock(&hdmi_drv->enable_mutex);
hdmi_drv->suspend = 0;