From 92455c946b2a417f0d1a4e8b004d074ca11db3ae Mon Sep 17 00:00:00 2001 From: Zhou Jingyu Date: Mon, 23 Aug 2010 16:06:06 +0800 Subject: ENGR00125875-2 mx28: add suspend/resume for LED driver add suspend/resume for LED driver disable debug uart for suspend Signed-off-by: Zhou Jingyu --- drivers/leds/leds-mxs-pwm.c | 25 +++++++++++++++++++++++++ drivers/serial/mxs-duart.c | 2 ++ 2 files changed, 27 insertions(+) diff --git a/drivers/leds/leds-mxs-pwm.c b/drivers/leds/leds-mxs-pwm.c index c76821770446..a546900a44d0 100644 --- a/drivers/leds/leds-mxs-pwm.c +++ b/drivers/leds/leds-mxs-pwm.c @@ -165,10 +165,35 @@ static int __devexit mxs_pwm_led_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int mxs_led_suspend(struct platform_device *dev, pm_message_t state) +{ + int i; + + for (i = 0; i < leds.led_num; i++) + led_classdev_suspend(&leds.leds[i].dev); + return 0; +} + +static int mxs_led_resume(struct platform_device *dev) +{ + int i; + + for (i = 0; i < leds.led_num; i++) + led_classdev_resume(&leds.leds[i].dev); + return 0; +} +#else +#define mxs_led_suspend NULL +#define mxs_led_resume NULL +#endif + static struct platform_driver mxs_pwm_led_driver = { .probe = mxs_pwm_led_probe, .remove = __devexit_p(mxs_pwm_led_remove), + .suspend = mxs_led_suspend, + .resume = mxs_led_resume, .driver = { .name = "mxs-leds", }, diff --git a/drivers/serial/mxs-duart.c b/drivers/serial/mxs-duart.c index 171b8628faee..162a15f52982 100644 --- a/drivers/serial/mxs-duart.c +++ b/drivers/serial/mxs-duart.c @@ -742,6 +742,7 @@ static int duart_suspend(struct platform_device *pdev, int ret = 0; if (!duart_port.suspended) { ret = uart_suspend_port(&duart_drv, &duart_port.port); + duart_shutdown((struct uart_port *)&duart_port); if (!ret) duart_port.suspended = 1; } @@ -754,6 +755,7 @@ static int duart_resume(struct platform_device *pdev, int ret = 0; if (duart_port.suspended) { ret = uart_resume_port(&duart_drv, &duart_port.port); + duart_startup((struct uart_port *)&duart_port); if (!ret) duart_port.suspended = 0; } -- cgit v1.2.3