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[media] au0828: add pr_info to track au0828 suspend/resume code

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Suspend/resume conditions can be very tricky. Add some info
printk's to help tracking what's happening there.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-08-09 21:47:18 -03:00
parent 83afb32aa9
commit 811872404b
4 changed files with 17 additions and 0 deletions
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4
drivers/media/usb/au0828/au0828-core.c
View File

@ -288,6 +288,8 @@ static int au0828_suspend(struct usb_interface *interface,
if (!dev)
return 0;
pr_info("Suspend\n");
au0828_rc_suspend(dev);
au0828_v4l2_suspend(dev);
au0828_dvb_suspend(dev);
@ -303,6 +305,8 @@ static int au0828_resume(struct usb_interface *interface)
if (!dev)
return 0;
pr_info("Resume\n");
/* Power Up the bridge */
au0828_write(dev, REG_600, 1 << 4);

4
drivers/media/usb/au0828/au0828-dvb.c
View File

@ -619,6 +619,8 @@ void au0828_dvb_suspend(struct au0828_dev *dev)
struct au0828_dvb *dvb = &dev->dvb;
if (dvb && dev->urb_streaming) {
pr_info("stopping DVB\n");
cancel_work_sync(&dev->restart_streaming);
/* Stop transport */
@ -634,6 +636,8 @@ void au0828_dvb_resume(struct au0828_dev *dev)
struct au0828_dvb *dvb = &dev->dvb;
if (dvb && dev->urb_streaming) {
pr_info("resuming DVB\n");
au0828_set_frontend(dvb->frontend);
/* Start transport */

4
drivers/media/usb/au0828/au0828-input.c
View File

@ -378,6 +378,8 @@ int au0828_rc_suspend(struct au0828_dev *dev)
if (!ir)
return 0;
pr_info("Stopping RC\n");
cancel_delayed_work_sync(&ir->work);
/* Disable IR */
@ -393,6 +395,8 @@ int au0828_rc_resume(struct au0828_dev *dev)
if (!ir)
return 0;
pr_info("Restarting RC\n");
/* Enable IR */
au8522_rc_set(ir, 0xe0, 1 << 4);

5
drivers/media/usb/au0828/au0828-video.c
View File

@ -1876,7 +1876,10 @@ void au0828_v4l2_suspend(struct au0828_dev *dev)
struct urb *urb;
int i;
pr_info("stopping V4L2\n");
if (dev->stream_state == STREAM_ON) {
pr_info("stopping V4L2 active URBs\n");
au0828_analog_stream_disable(dev);
/* stop urbs */
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
@ -1900,6 +1903,8 @@ void au0828_v4l2_resume(struct au0828_dev *dev)
{
int i, rc;
pr_info("restarting V4L2\n");
if (dev->stream_state == STREAM_ON) {
au0828_stream_interrupt(dev);
au0828_init_tuner(dev);