Commit b799de75 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] au0828: Add suspend code for DVB



The scheduled work should be cancelled during suspend.

At resume time, we need to set the frontend again. So,
add such logic to the driver.

Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent fa500461
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+2 −0
Original line number Diff line number Diff line
@@ -290,6 +290,7 @@ static int au0828_suspend(struct usb_interface *interface,
		return 0;

	au0828_rc_suspend(dev);
	au0828_dvb_suspend(dev);

	/* FIXME: should suspend also ATV/DTV */

@@ -309,6 +310,7 @@ static int au0828_resume(struct usb_interface *interface)
	au0828_gpio_setup(dev);

	au0828_rc_resume(dev);
	au0828_dvb_resume(dev);

	/* FIXME: should resume also ATV/DTV */

+30 −1
Original line number Diff line number Diff line
@@ -23,7 +23,6 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/suspend.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>

@@ -618,3 +617,33 @@ int au0828_dvb_register(struct au0828_dev *dev)

	return 0;
}

void au0828_dvb_suspend(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;

	if (dvb && dev->urb_streaming) {
		cancel_work_sync(&dev->restart_streaming);

		/* Stop transport */
		mutex_lock(&dvb->lock);
		stop_urb_transfer(dev);
		au0828_stop_transport(dev, 1);
		mutex_unlock(&dvb->lock);
	}
}

void au0828_dvb_resume(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;

	if (dvb && dev->urb_streaming) {
		au0828_set_frontend(dvb->frontend);

		/* Start transport */
		mutex_lock(&dvb->lock);
		au0828_start_transport(dev);
		start_urb_transfer(dev);
		mutex_unlock(&dvb->lock);
	}
}
+2 −0
Original line number Diff line number Diff line
@@ -316,6 +316,8 @@ void au0828_analog_unregister(struct au0828_dev *dev);
/* au0828-dvb.c */
extern int au0828_dvb_register(struct au0828_dev *dev);
extern void au0828_dvb_unregister(struct au0828_dev *dev);
void au0828_dvb_suspend(struct au0828_dev *dev);
void au0828_dvb_resume(struct au0828_dev *dev);

/* au0828-vbi.c */
extern struct videobuf_queue_ops au0828_vbi_qops;