Re: [linux-dvb] SDMC DM1105N not being detected

[Simon Kenyon <simon@koala.ie>]

Igor M. Liplianin wrote:
> On 6 June 2009 23:37:47 Simon Kenyon wrote:
>> Igor M. Liplianin wrote:
>>> On 5 June 2009 21:41:46 Simon Kenyon wrote:
>>>> Simon Kenyon wrote:
>>>>> Simon Kenyon wrote:
>>>>>> the picture seems to be breaking up badly
>>>>>> will revert to my version and see if that fixes it
>>>>> [sorry for the delay. i was away on business]
>>>>>
>>>>> i've checked and your original code, modified to compile and including
>>>>> my changes to control the LNB works very well; the patch you posted
>>>>> does not. i have swapped between the two and rebooted several times to
>>>>> make sure.
>>>>>
>>>>> i will do a diff and see what the differences are
>>>>>
>>>>> regards
>>>>> --
>>>>> simon
>>>> the main changes seem to be a reworking of the interrupt handling and
>>>> some i2c changes
>>>> --
>>>> simon
>>> How fast is your system?
>> reasonably fast
>> it is a dual core AMD64 X2 running at 3.1GHz
>>
>>
> Main change is to move demuxing from interrupt to work handler.
> So I prepaired another patch, with separate work queue.
> May be you find some time to test.
> 
> I wonder CPU usage and interrupts count(cat /proc/interrupts) while viewing DVB. 
> I guess your card generates a lot of unnecessary(unknown ?) irq's.
> 
> Another idea is to increase dma buffer.
> 
i've tested that now
sorry for the delay - at a family wedding

anyway, that seems to work fine. will st some more, but the first 
results (with kaffeine) seem good.

i did a complete scan and then tried about 20 different channels. they 
all seemed to work fine.

thanks
--
simon