common DVB USB issues we has currently

2012-05-03 Thread Antti Palosaari

Hello,
Here we are, that's the first part I am going to fix as a GSoC project. 
Work is planned to start after two weeks but better to discuss beforehand.


And wish-list is now open!

I see two big DVB USB issues including multiple small issues;

1)
Current static structure is too limited as devices are more dynamics 
nowadays. Driver should be able to probe/read from eeprom device 
configuration.


Fixing all of those means rather much work - I think new version of DVB 
USB is needed.


http://www.mail-archive.com/linux-media@vger.kernel.org/msg44996.html


2)
Suspend/resume is not supported and crashes Kernel. I have no idea what 
is wrong here and what is needed. But as it has been long term known 
problem I suspect it is not trivial.


http://www.spinics.net/lists/linux-media/msg10293.html


regards
Antti
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Re: common DVB USB issues we has currently

2012-05-03 Thread Devin Heitmueller
Hi Antti,

On Thu, May 3, 2012 at 10:18 AM, Antti Palosaari
 1)
 Current static structure is too limited as devices are more dynamics
 nowadays. Driver should be able to probe/read from eeprom device
 configuration.

 Fixing all of those means rather much work - I think new version of DVB USB
 is needed.

 http://www.mail-archive.com/linux-media@vger.kernel.org/msg44996.html

What does this link above have to do with problem #1?  Did you perhaps
cut/paste the wrong link?

 2)
 Suspend/resume is not supported and crashes Kernel. I have no idea what is
 wrong here and what is needed. But as it has been long term known problem I
 suspect it is not trivial.

 http://www.spinics.net/lists/linux-media/msg10293.html

I doubt this is a dvb-usb problem, but rather something specific to
the realtek parts (suspend/resume does work with other devices that
rely on dvb-usb).

Cheers,

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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Re: common DVB USB issues we has currently

2012-05-03 Thread Brian J. Murrell
On 12-05-03 10:48 AM, Devin Heitmueller wrote:
 
 I doubt this is a dvb-usb problem, but rather something specific to
 the realtek parts (suspend/resume does work with other devices that
 rely on dvb-usb).

Dunno if it's at all relevant but I used to be able (circa 2.6.32
perhaps?  it's a bit foggy now) to suspend/resume with my HVR-950q
installed and modules loaded.  Now suspending with them loaded hangs the
suspend and they can't even reliably be rmmod/modprobed pre and post
suspend/resume.

I just wonder if that change in behavior is pointing at something.

Cheers,
b.





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Re: common DVB USB issues we has currently

2012-05-03 Thread Jose Alberto Reguero
On Jueves, 3 de mayo de 2012 10:48:43 Devin Heitmueller escribió:
 Hi Antti,
 
 On Thu, May 3, 2012 at 10:18 AM, Antti Palosaari
 
  1)
  Current static structure is too limited as devices are more dynamics
  nowadays. Driver should be able to probe/read from eeprom device
  configuration.
  
  Fixing all of those means rather much work - I think new version of DVB
  USB
  is needed.
  
  http://www.mail-archive.com/linux-media@vger.kernel.org/msg44996.html
 
 What does this link above have to do with problem #1?  Did you perhaps
 cut/paste the wrong link?
 
  2)
  Suspend/resume is not supported and crashes Kernel. I have no idea what is
  wrong here and what is needed. But as it has been long term known problem
  I
  suspect it is not trivial.
  
  http://www.spinics.net/lists/linux-media/msg10293.html
 
 I doubt this is a dvb-usb problem, but rather something specific to
 the realtek parts (suspend/resume does work with other devices that
 rely on dvb-usb).
 
 Cheers,
 
 Devin

I have the resume problem with the terratec H7.

http://www.mail-archive.com/linux-media@vger.kernel.org/msg45590.html

Jose Alberto
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Re: common DVB USB issues we has currently

2012-05-03 Thread Antti Palosaari
to 3.5.2012 20:03 Jose Alberto Reguero kirjoitti:
 On Jueves, 3 de mayo de 2012 10:48:43 Devin Heitmueller escribió:
 Hi Antti,

  2)
  Suspend/resume is not supported and crashes Kernel. I have no idea
 what is
  wrong here and what is needed. But as it has been long term known
 problem
  I
  suspect it is not trivial.
 
  http://www.spinics.net/lists/linux-media/msg10293.html

 I doubt this is a dvb-usb problem, but rather something specific to
 the realtek parts (suspend/resume does work with other devices that
 rely on dvb-usb).

 Cheers,

 Devin

 I have the resume problem with the terratec H7.

 http://www.mail-archive.com/linux-media@vger.kernel.org/msg45590.html

 Jose Alberto

It crashes Kernel for every DVB USB device having DVB USB firmware.

regards
Antti

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Re: common DVB USB issues we has currently

2012-05-03 Thread Antti Palosaari
to 3.5.2012 17:59 Brian J. Murrell kirjoitti:
 On 12-05-03 10:48 AM, Devin Heitmueller wrote:

 I doubt this is a dvb-usb problem, but rather something specific to
 the realtek parts (suspend/resume does work with other devices that
 rely on dvb-usb).

 Dunno if it's at all relevant but I used to be able (circa 2.6.32
 perhaps?  it's a bit foggy now) to suspend/resume with my HVR-950q
 installed and modules loaded.  Now suspending with them loaded hangs the
 suspend and they can't even reliably be rmmod/modprobed pre and post
 suspend/resume.

 I just wonder if that change in behavior is pointing at something.

That means HVR-950q is not DVB-USB device OR it does not have
DVB-USB-firmware to load by the DVB-USB-driver.

regards
Antti

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