Re: [media] fintek-cir: add support for newer chip version

[Mauro Carvalho Chehab <mchehab@redhat.com>]

Em 19-04-2012 17:41, Jarod Wilson escreveu:
> On Thu, Apr 19, 2012 at 08:25:10PM +0300, Dan Carpenter wrote:
>> Hi Mauro,
>>
>> The patch 83ec8225b6ae: "[media] fintek-cir: add support for newer 
>> chip version" from Feb 14, 2012, leads to the following warning:
>> drivers/media/rc/fintek-cir.c:200 fintek_hw_detect()
>> 	 warn: known condition '1032 != 2052'
>>
>> drivers/media/rc/fintek-cir.c
>>    197          /*
>>    198           * Newer reviews of this chipset uses port 8 instead of 5
>>    199           */
>>    200          if ((chip != 0x0408) || (chip != 0x0804))
>>                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> One of these conditions is always true.
>>
>> Probably it should it be:
>> 		if ((chip == 0x0408) || (chip == 0x0804))
>> or:
>> 		if ((chip != 0x0408) && (chip != 0x0804))
> 
> Reasonably sure the latter case would be the proper one there.

Yes. The information that I have is that Fintek product 0x0408(F71809) and 0x0804(F71855)
use logical device 5 and other chip ids use logical device 8.
> 
> 
>> depending one if those are the newer or the older chipsets.  I googled
>> for it a bit and then decided to just email you.  :P
>>
>>    201                  fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV2;
>>    202          else
>>    203                  fintek->logical_dev_cir = LOGICAL_DEV_CIR_REV1;
>>    204  
>>
>> regards,
>> dan carpenter
>>
> 

Care to prepare us a patch in order to fix it?

Thank you!
Mauro