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From: Mauro Carvalho Chehab <mchehab@redhat.com>
To: Stefan Ringel <stefan.ringel@arcor.de>
Cc: linux-media@vger.kernel.org, dheitmueller@kernellabs.com
Subject: Re: [PATCH 5/12] tm6000: update init table and sequence for tm6010
Date: Mon, 08 Feb 2010 15:29:23 -0200	[thread overview]
Message-ID: <4B7049F3.8080208@redhat.com> (raw)
In-Reply-To: <4B7037D3.5040601@arcor.de>

Stefan Ringel wrote:
> Am 08.02.2010 12:37, schrieb Mauro Carvalho Chehab:
>> Mauro Carvalho Chehab wrote:
>>   
>>>> +		tm6000_read_write_usb (dev, 0xc0, 0x10, 0x7f1f, 0x0000, buf, 2);
>>>>       
>>   
>>> Most of the calls there are read (0xc0). I don't know any device that requires
>>> a read for it to work. I suspect that the above code is just probing to check
>>> what i2c devices are found at the board.
>>>     
>> Btw, by looking at drivers/media/dvb/frontends/zl10353_priv.h, we have an idea
>> on what the above does:
>>
>> The register 0x7f is:
>>
>>         CHIP_ID            = 0x7F,
>>
>> So, basically, the above code is reading the ID of the chip, likely to be sure that it
>> is a Zarlink 10353.
>>
>> Cheers,
>> Mauro
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-media" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>   
> 
> yes, but that's for activating Zarlink zl10353 and checking it --> hello
> Zarlink? If doesn't use that sequence, then cannot use Zarlink zl10353.
> 
Are you sure about that? Is this a new bug on tm6000?

Anyway, the proper place for such code is inside zl10353 driver, not outside.

-- 

Cheers,
Mauro

  reply	other threads:[~2010-02-08 17:29 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-05 22:48 [PATCH 1/12] tm6000: add Terratec Cinergy Hybrid XE stefan.ringel
2010-02-05 22:48 ` [PATCH 2/12] tm6000: avoid unregister the driver after success at tm6000_init_dev stefan.ringel
2010-02-05 22:48   ` [PATCH 3/12] tm6000: clean the identifer string stefan.ringel
2010-02-05 22:48     ` [PATCH 4/12] tm6000: adding special usb request to quiting tuner transfer stefan.ringel
2010-02-05 22:48       ` [PATCH 5/12] tm6000: update init table and sequence for tm6010 stefan.ringel
2010-02-05 22:48         ` [PATCH 7/12] tm6000: add tuner callback for dvb frontend stefan.ringel
2010-02-05 22:48           ` [PATCH 8/12] tm6000: add tuner parameter stefan.ringel
2010-02-05 22:48             ` [PATCH 9/12] tm6000: remove unused function stefan.ringel
2010-02-05 22:48               ` [PATCH 10/12] tm6000: bugfix usb DVB transfer stefan.ringel
2010-02-05 22:48                 ` [PATCH 11/12] tm6000: bugfix firmware xc3028L-v36.fw used with Zarlink and DTV78 or DTV8 no shift stefan.ringel
2010-02-05 22:48                   ` [PATCH 12/12] tm6000: add a different set param values stefan.ringel
2010-02-08 11:21         ` [PATCH 5/12] tm6000: update init table and sequence for tm6010 Mauro Carvalho Chehab
2010-02-08 11:37           ` Mauro Carvalho Chehab
2010-02-08 16:12             ` Stefan Ringel
2010-02-08 17:29               ` Mauro Carvalho Chehab [this message]
2010-02-08 17:34                 ` Stefan Ringel
2010-02-08 17:37                   ` Stefan Ringel
2010-02-08 17:51                     ` Mauro Carvalho Chehab
2010-02-08 17:30           ` Stefan Ringel
2010-02-08 18:14             ` Mauro Carvalho Chehab
2010-02-08 19:07               ` Stefan Ringel
2010-02-08 19:17                 ` Mauro Carvalho Chehab
2010-02-08 20:04                   ` zl10335 with tm6010 or tm6000 Stefan Ringel
2010-02-10 17:09           ` [PATCH 5/12] tm6000: update init table and sequence for tm6010 Stefan Ringel
2010-02-10 17:21             ` Mauro Carvalho Chehab
  -- strict thread matches above, loose matches on Subject: below --
2010-02-05 22:57 [PATCH 1/12] tm6000: add Terratec Cinergy Hybrid XE stefan.ringel
2010-02-05 22:57 ` [PATCH 2/12] tm6000: avoid unregister the driver after success at tm6000_init_dev stefan.ringel
2010-02-05 22:57   ` [PATCH 3/12] tm6000: clean the identifer string stefan.ringel
2010-02-05 22:57     ` [PATCH 4/12] tm6000: adding special usb request to quiting tuner transfer stefan.ringel
2010-02-05 22:57       ` [PATCH 5/12] tm6000: update init table and sequence for tm6010 stefan.ringel

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