Commit 2cf846b1 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

media: vidtv.rst: update it to better describe the frequencies 



The virtual driver has now a minimal set of frequencies for a
single transponder to be found by each DVB standard.

Document it, and update related information about the
simulated LNBf.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 9ec6f4bb

Documentation/driver-api/media/drivers/vidtv.rst

+11 −3
Original line number Diff line number Diff line
@@ -62,6 +62,14 @@ When compiled as a module, run:: 
That's it! The bridge driver will initialize the tuner and demod drivers as

part of its own initialization.



By default, it will accept the following frequencies:



	- 474 MHz for DVB-T/T2/C;

	- 11,362 GHz for DVB-S/S2.



For satellite systems, the driver simulates an universal extended

LNBf, with frequencies at Ku-Band, ranging from 10.7 GHz to 12.75 GHz.



You can optionally define some command-line arguments to vidtv.



Command-line arguments to vidtv
@@ -86,13 +94,13 @@ mock_tune_delay_msec 
	Simulate a tune delay.  Default 0.



vidtv_valid_dvb_t_freqs

	Valid DVB-T frequencies to simulate.

	Valid DVB-T frequencies to simulate, in Hz.



vidtv_valid_dvb_c_freqs

	Valid DVB-C frequencies to simulate.

	Valid DVB-C frequencies to simulate, in Hz.



vidtv_valid_dvb_s_freqs

	Valid DVB-C frequencies to simulate.

	Valid DVB-S/S2 frequencies to simulate at Ku-Band, in kHz.



max_frequency_shift_hz,

	Maximum shift in HZ allowed when tuning in a channel.

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