From: Antti Palosaari <crope@iki.fi>
To: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: LMML <linux-media@vger.kernel.org>
Subject: Re: [REVIEW PATCH 11/13] DocBook: document RF tuner bandwidth controls
Date: Mon, 10 Mar 2014 12:01:28 +0200 [thread overview]
Message-ID: <531D8D78.800@iki.fi> (raw)
In-Reply-To: <20140305154922.508c48d7@samsung.com>
On 05.03.2014 20:49, Mauro Carvalho Chehab wrote:
> Em Thu, 27 Feb 2014 02:22:06 +0200
> Antti Palosaari <crope@iki.fi> escreveu:
>
>> Add documentation for RF tuner bandwidth controls. These controls are
>> used to set filters on tuner signal path.
>>
>> Cc: Hans Verkuil <hverkuil@xs4all.nl>
>> Signed-off-by: Antti Palosaari <crope@iki.fi>
>> ---
>> Documentation/DocBook/media/v4l/controls.xml | 19 +++++++++++++++++++
>> 1 file changed, 19 insertions(+)
>>
>> diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
>> index 6c9dbf6..5550fea 100644
>> --- a/Documentation/DocBook/media/v4l/controls.xml
>> +++ b/Documentation/DocBook/media/v4l/controls.xml
>> @@ -5007,6 +5007,25 @@ descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
>> description of this control class.</entry>
>> </row>
>> <row>
>> + <entry spanname="id"><constant>V4L2_CID_RF_TUNER_BANDWIDTH_AUTO</constant> </entry>
>> + <entry>boolean</entry>
>> + </row>
>> + <row>
>> + <entry spanname="descr">Enables/disables tuner radio channel
>> +bandwidth configuration. In automatic mode bandwidth configuration is performed
>> +by the driver.</entry>
>> + </row>
>> + <row>
>> + <entry spanname="id"><constant>V4L2_CID_RF_TUNER_BANDWIDTH</constant> </entry>
>> + <entry>integer</entry>
>> + </row>
>> + <row>
>> + <entry spanname="descr">Filter(s) on tuner signal path are used to
>> +filter signal according to receiving party needs. Driver configures filters to
>> +fulfill desired bandwidth requirement. Used when V4L2_CID_RF_TUNER_BANDWIDTH_AUTO is not
>> +set. The range and step are driver-specific.</entry>
>
> Huh? If this is enable/disable, why "the range and step are driver-specific"?
Because there is two controls grouped. That is situation of having
AUTO/MANUAL.
V4L2_CID_RF_TUNER_BANDWIDTH_AUTO
V4L2_CID_RF_TUNER_BANDWIDTH
V4L2_CID_RF_TUNER_BANDWIDTH is valid only when
V4L2_CID_RF_TUNER_BANDWIDTH_AUTO == false.
regards
Antti
>
>> + </row>
>> + <row>
>> <entry spanname="id"><constant>V4L2_CID_RF_TUNER_LNA_GAIN_AUTO</constant> </entry>
>> <entry>boolean</entry>
>> </row>
>
>
--
http://palosaari.fi/
next prev parent reply other threads:[~2014-03-10 10:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-27 0:21 [REVIEW PATCH 00/13] SDR API - V4L API stuff itself Antti Palosaari
2014-02-27 0:21 ` [REVIEW PATCH 01/13] v4l: add RF tuner gain controls Antti Palosaari
2014-02-27 0:21 ` [REVIEW PATCH 02/13] v4l: add RF tuner channel bandwidth control Antti Palosaari
2014-02-27 0:21 ` [REVIEW PATCH 03/13] v4l: reorganize RF tuner control ID numbers Antti Palosaari
2014-02-27 0:21 ` [REVIEW PATCH 04/13] v4l: uapi: add SDR formats CU8 and CU16LE Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 05/13] v4l: add enum_freq_bands support to tuner sub-device Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 06/13] v4l: add control for RF tuner PLL lock flag Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 07/13] DocBook: V4L: add V4L2_SDR_FMT_CU8 - 'CU08' Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 08/13] DocBook: V4L: add V4L2_SDR_FMT_CU16LE - 'CU16' Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 09/13] DocBook: document RF tuner gain controls Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 10/13] DocBook: media: document V4L2_CTRL_CLASS_RF_TUNER Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 11/13] DocBook: document RF tuner bandwidth controls Antti Palosaari
[not found] ` <20140305154922.508c48d7@samsung.com>
2014-03-10 10:01 ` Antti Palosaari [this message]
2014-03-12 11:02 ` Mauro Carvalho Chehab
2014-03-12 12:26 ` Antti Palosaari
2014-03-12 12:37 ` Antti Palosaari
2014-03-12 12:47 ` Mauro Carvalho Chehab
2014-03-12 12:57 ` Antti Palosaari
2014-03-12 13:07 ` Antti Palosaari
2014-03-12 13:21 ` Mauro Carvalho Chehab
2014-03-12 14:23 ` Antti Palosaari
2014-03-12 17:15 ` Mauro Carvalho Chehab
2014-02-27 0:22 ` [REVIEW PATCH 12/13] DocBook: media: document PLL lock control Antti Palosaari
2014-02-27 0:22 ` [REVIEW PATCH 13/13] DocBook: media: add some general info about RF tuners Antti Palosaari
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