Re: em28xx breaks after hibernate

[Mauro Carvalho Chehab <mchehab@osg.samsung.com>]

Em Sun, 28 Sep 2014 13:54:05 +0200
Johannes Stezenbach <js@linuxtv.org> escreveu:

> On Sun, Sep 28, 2014 at 08:12:11AM -0300, Mauro Carvalho Chehab wrote:
> > Em Sun, 28 Sep 2014 12:55:40 +0200
> > Johannes Stezenbach <js@linuxtv.org> escreveu:
> > 
> > > I tried again both with and without the patch.  The issue above
> > > odesn't reproduce, but after hibernate it fails to tune
> > > (while it works after suspend-to-ram).  Restarting dvbv5-zap
> > > does not fix it.  All I get is:
> > > 
> > > [  500.299216] drxk: Error -22 on dvbt_sc_command
> > > [  500.301012] drxk: Error -22 on set_dvbt
> > > [  500.301967] drxk: Error -22 on start

I suspect that this is probably because em28xx didn't initialize the GPIOs
after power down. Please try the enclosed (untested) hack.

Regards,
Mauro


diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 9682c52d67d1..3403e775bf43 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -1745,6 +1745,10 @@ static int em28xx_dvb_resume(struct em28xx *dev)
 	if (!dev->board.has_dvb)
 		return 0;
 
+
+/* HACK */
+hauppauge_hvr930c_init(dev);
+
 	em28xx_info("Resuming DVB extension");
 	if (dev->dvb) {
 		struct em28xx_dvb *dvb = dev->dvb;