Re: saa7134: fixed pointer in tuner callback

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Hi,

sioux schrieb:
> Hi all!
> 
> here similar problem with 7134_alsa module:
> 
> saa7134_alsa: disagrees about version of symbol snd_ctl_add
> saa7134_alsa: Unknown symbol snd_ctl_add
> saa7134_alsa: disagrees about version of symbol snd_pcm_new
> saa7134_alsa: Unknown symbol snd_pcm_new
> saa7134_alsa: disagrees about version of symbol snd_card_register
> saa7134_alsa: Unknown symbol snd_card_register
> saa7134_alsa: disagrees about version of symbol snd_card_free
> saa7134_alsa: Unknown symbol snd_card_free
> saa7134_alsa: disagrees about version of symbol snd_pcm_stop
> saa7134_alsa: Unknown symbol snd_pcm_stop
> saa7134_alsa: disagrees about version of symbol snd_ctl_new1
> saa7134_alsa: Unknown symbol snd_ctl_new1
> saa7134_alsa: disagrees about version of symbol snd_card_new
> saa7134_alsa: Unknown symbol snd_card_new
> saa7134_alsa: disagrees about version of symbol snd_pcm_lib_ioctl
> saa7134_alsa: Unknown symbol snd_pcm_lib_ioctl
> saa7134_alsa: disagrees about version of symbol snd_pcm_set_ops
> saa7134_alsa: Unknown symbol snd_pcm_set_ops
> saa7134_alsa: disagrees about version of symbol 
> snd_pcm_hw_constraint_integer
> saa7134_alsa: Unknown symbol snd_pcm_hw_constraint_integer
> saa7134_alsa: disagrees about version of symbol snd_pcm_period_elapsed
> saa7134_alsa: Unknown symbol snd_pcm_period_elapsed
> saa7134_alsa: disagrees about version of symbol snd_pcm_hw_constraint_step
> saa7134_alsa: Unknown symbol snd_pcm_hw_constraint_step
> 
> This is my alsa version:
> cat /proc/asound/version
> advanced Linux Sound Architecture Driver Version 1.0.15 (Tue Oct 16 
> 14:57:44 2007 UTC)
> 
> This is my kernel version:
> uname -a
> Linux sioux-desktop 2.6.22-14-rt #1 SMP PREEMPT RT Tue Feb 12 09:57:10 
> UTC 2008 i686 GNU/Linux
> 
> This is my saa7134 version and card:
> 
> saa7130/34: v4l2 driver version 0.2.14 loaded
> saa7133[0]: found at 0000:02:09.0, rev: 209, irq: 19, latency: 32, mmio: 
> 0xed000000
> saa7133[0]: subsystem: 1822:0022, board: Twinhan Hybrid DTV-DVB 3056 PCI 
> [card=131,autodetected]
> saa7133[0]: board init: gpio is 40000
> tuner' 0-0042: chip found @ 0x84 (saa7133[0])
> 
> 
> Make rmmod do not solve the problem!
> 
<snip> _______________________________________________________________

A "make rmmod" does *not* always work: If a device is in use, the kernel will
refuse to remove the module. You should find an appropriate error message.
You can have i.e. this situation:
If you load the modules a boot time and you run kde, the mixer desktop applet
will open the mixer of the saa7134-alsa device.
So you will not be able to unload and thus update the driver before you closed
the kmix applet.
There are many other possibilities.

Hartmut

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