From: Hendrik Skarpeid <hendrik@skarpeid.com>
To: "Igor M. Liplianin" <liplianin@me.by>
Cc: linux-media@vger.kernel.org, Nameer Kazzaz <nameer.kazzaz@gmail.com>
Subject: Re: DM1105: could not attach frontend 195d:1105
Date: Thu, 04 Mar 2010 23:46:21 +0100 [thread overview]
Message-ID: <4B90383D.2040405@skarpeid.com> (raw)
In-Reply-To: <4B903127.208@online.no>
Hendrik Skarpeid skrev:
> Igor M. Liplianin skrev:
>> On 3 марта 2010 18:42:42 Hendrik Skarpeid wrote:
>>
>>> Igor M. Liplianin wrote:
>>>
>>>> Now to find GPIO's for LNB power control and ... watch TV :)
>>>>
>>> Yep. No succesful tuning at the moment. There might also be an issue
>>> with the reset signal and writing to GPIOCTR, as the module at the
>>> moment loads succesfully only once.
>>> As far as I can make out, the LNB power control is probably GPIO 16 and
>>> 17, not sure which is which, and how they work.
>>> GPIO15 is wired to tuner #reset
>>>
>> New patch to test
>>
>> ------------------------------------------------------------------------
>>
>>
>> No virus found in this incoming message.
>> Checked by AVG - www.avg.com Version: 9.0.733 / Virus Database:
>> 271.1.1/2721 - Release Date: 03/03/10 20:34:00
>>
>
> modprobe si21xx debug=1 produces this output when scanning.
>
> [ 2187.998349] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02
> [ 2187.998353] si21xx: si21xx_set_frontend : FE_SET_FRONTEND
> [ 2187.999881] si21xx: si21xx_setacquire
> [ 2187.999884] si21xx: si21xx_set_symbolrate : srate = 27500000
> [ 2188.022645] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x01
> [ 2188.054350] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02
> [ 2188.054355] si21xx: si21xx_set_frontend : FE_SET_FRONTEND
> [ 2188.055875] si21xx: si21xx_setacquire
> [ 2188.055879] si21xx: si21xx_set_symbolrate : srate = 27500000
> [ 2188.110359] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02
> [ 2188.110366] si21xx: si21xx_set_frontend : FE_SET_FRONTEND
> [ 2188.111885] si21xx: si21xx_setacquire
> [ 2188.111889] si21xx: si21xx_set_symbolrate : srate = 27500000
> [ 2188.166350] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02
> [ 2188.166354] si21xx: si21xx_set_frontend : FE_SET_FRONTEND
>
> Since the tuner at hand uses a Si2109 chip, VSTATUS 0x01 and 0x02
> would indicate that blind scanning is used. Blind scanning is a
> 2109/2110 specific function, and may not very usable since we always
> use initial tuning files anyway. 2109/10 also supports the legacy
> scanning method which is supported by Si2107708.
>
> Is the use of blind scanning intentional?
>
Sorry, my bad. Mixed up the registers.
Got a VSTATUS: 0x0b once. Mostly I'm getting 0x01 and 0x02. Sometimes
0x00 and 0x03
next prev parent reply other threads:[~2010-03-04 23:15 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4B7D83B2.4030709@online.no>
2010-02-20 17:49 ` DM1105: could not attach frontend 195d:1105 Igor M. Liplianin
2010-02-22 20:56 ` Nameer Kazzaz
2010-02-23 12:14 ` Hendrik Skarpeid
2010-02-23 13:12 ` Nameer Kazzaz
2010-02-23 17:40 ` Igor M. Liplianin
2010-02-23 19:40 ` Nameer Kazzaz
2010-03-02 13:06 ` Hendrik Skarpeid
2010-03-02 19:09 ` Hendrik Skarpeid
2010-03-02 23:10 ` Igor M. Liplianin
2010-03-03 8:38 ` Hendrik Skarpeid
2010-03-03 15:49 ` Igor M. Liplianin
2010-03-03 16:42 ` Hendrik Skarpeid
2010-03-03 19:05 ` Igor M. Liplianin
2010-03-04 21:27 ` Hendrik Skarpeid
2010-03-04 22:16 ` Hendrik Skarpeid
2010-03-04 22:46 ` Hendrik Skarpeid [this message]
2010-03-06 11:52 ` Igor M. Liplianin
2010-03-06 19:18 ` Hendrik Skarpeid
2010-03-07 10:12 ` Igor M. Liplianin
2010-03-10 12:15 ` Hendrik Skarpeid
2010-03-31 10:47 ` Hendrik Skarpeid
2010-10-23 9:20 ` Igor M. Liplianin
2011-01-31 9:33 ` Matt Vickers
2011-01-31 17:55 ` Igor M. Liplianin
2011-02-01 5:17 ` Matt Vickers
2011-02-02 18:39 ` Igor M. Liplianin
2011-02-02 18:41 ` Igor M. Liplianin
2011-05-03 21:33 ` Mauro Carvalho Chehab
2011-05-05 18:41 Igor M. Liplianin
2011-05-05 19:01 ` Mauro Carvalho Chehab
-- strict thread matches above, loose matches on Subject: below --
2010-01-16 11:55 Igor M. Liplianin
2010-01-16 2:49 paul10
2010-01-16 3:11 ` paul10
2010-01-16 13:18 ` paul10
2010-01-16 14:12 ` Igor M. Liplianin
2010-01-19 8:51 ` paul10
2010-01-19 13:45 ` Igor M. liplianin
2010-01-20 21:20 ` paul10
2010-01-31 13:45 ` Igor M. Liplianin
2010-02-01 12:17 ` Nameer Kazzaz
2010-02-02 15:21 ` Nameer Kazzaz
2010-02-02 16:57 ` Igor M. Liplianin
2010-02-02 17:16 ` Nameer Kazzaz
2010-02-02 22:07 ` Nameer Kazzaz
2010-02-03 17:41 ` Igor M. Liplianin
2010-02-04 9:56 ` Nameer Kazzaz
2010-01-15 23:14 paul10
2010-01-15 23:54 ` Igor M. Liplianin
2010-01-16 0:10 ` Igor M. Liplianin
2010-01-15 9:15 paul10
2010-01-15 15:21 ` Igor M. Liplianin
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