Use the proper format for FE_SET_VOLTAGE documentation and fix the documentation. The description for the enum is not 100%, and it is missing the voltage off value. Also, it is better to keep the enum description together with the ioctl, as both are used together. Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> create mode 100644 Documentation/DocBook/media/dvb/fe-set-voltage.xml diff --git a/Documentation/DocBook/media/dvb/fe-set-voltage.xml b/Documentation/DocBook/media/dvb/fe-set-voltage.xml new file mode 100644 index 000000000000..a1ee5f9c28e0 --- /dev/null +++ b/Documentation/DocBook/media/dvb/fe-set-voltage.xml @@ -0,0 +1,94 @@ +<refentry id="FE_SET_VOLTAGE"> + <refmeta> + <refentrytitle>ioctl FE_SET_VOLTAGE</refentrytitle> + &manvol; + </refmeta> + + <refnamediv> + <refname>FE_SET_VOLTAGE</refname> + <refpurpose>Allow setting the DC level sent to the antenna subsystem.</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <funcsynopsis> + <funcprototype> + <funcdef>int <function>ioctl</function></funcdef> + <paramdef>int <parameter>fd</parameter></paramdef> + <paramdef>int <parameter>request</parameter></paramdef> + <paramdef>&fe-sec-voltage; *<parameter>voltage</parameter></paramdef> + </funcprototype> + </funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Arguments</title> + <variablelist> + <varlistentry> + <term><parameter>fd</parameter></term> + <listitem> + <para>&fe_fd;</para> + </listitem> + </varlistentry> + <varlistentry> + <term><parameter>request</parameter></term> + <listitem> + <para>FE_SET_VOLTAGE</para> + </listitem> + </varlistentry> + <varlistentry> + <term><parameter>pointer to &fe-sec-voltage;</parameter></term> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Description</title> + +<para>This ioctl allows to set the DC voltage level sent through the antenna + cable to 13V, 18V or off.</para> +<para>Usually, a satellital antenna subsystems require that the digital TV + device to send a DC voltage to feed power to the LNBf. Depending on the + LNBf type, the polarization or the intermediate frequency (IF) of the LNBf + can controlled by the voltage level. Other devices (for example, the ones + that implement DISEqC and multipoint LNBf's don't need to control the + voltage level, provided that either 13V or 18V is sent to power up the + LNBf.</para> +<para>NOTE: if more than one device is connected to the same antenna, + setting a voltage level may interfere on other devices, as they may lose + the capability of setting polarization or IF. So, on those + cases, setting the voltage to SEC_VOLTAGE_OFF while the device is not is + used is recommended.</para> + +&return-value-dvb; +</refsect1> + +<section id="fe-sec-voltage-t"> +<title>enum fe_sec_voltage</title> + +<table pgwide="1" frame="none" id="fe-sec-voltage"> + <title>enum fe_status</title> + <tgroup cols="2"> + &cs-def; + <thead> + <row> + <entry>ID</entry> + <entry>Description</entry> + </row> + </thead> + <tbody valign="top"> + <row> + <entry align="char">SEC_VOLTAGE_13</entry> + <entry align="char">Set DC voltage level to 13V</entry> + </row><row> + <entry align="char">SEC_VOLTAGE_18</entry> + <entry align="char">Set DC voltage level to 18V</entry> + </row><row> + <entry align="char">SEC_VOLTAGE_OFF</entry> + <entry align="char">Don't send any voltage to the antenna</entry> + </row> + </tbody> + </tgroup> +</table> +</section> + +</refentry> diff --git a/Documentation/DocBook/media/dvb/frontend.xml b/Documentation/DocBook/media/dvb/frontend.xml index bb2cd9ef3b03..584c759b6bbe 100644 --- a/Documentation/DocBook/media/dvb/frontend.xml +++ b/Documentation/DocBook/media/dvb/frontend.xml @@ -75,19 +75,6 @@ specification is available at </programlisting> </section> -<section id="fe-sec-voltage-t"> -<title>diseqc slave reply</title> -<para>The voltage is usually used with non-DiSEqC capable LNBs to switch the polarzation -(horizontal/vertical). When using DiSEqC epuipment this voltage has to be switched -consistently to the DiSEqC commands as described in the DiSEqC spec.</para> -<programlisting> - typedef enum fe_sec_voltage { - SEC_VOLTAGE_13, - SEC_VOLTAGE_18 - } fe_sec_voltage_t; -</programlisting> -</section> - <section id="fe-sec-tone-mode-t"> <title>SEC continuous tone</title> @@ -641,54 +628,7 @@ typedef enum fe_hierarchy { &return-value-dvb; </section> -<section id="FE_SET_VOLTAGE"> -<title>FE_SET_VOLTAGE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This call is used to set the bus voltage. This call requires read/write - permissions.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = <link linkend="FE_SET_VOLTAGE">FE_SET_VOLTAGE</link>, - fe_sec_voltage_t voltage);</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_SET_VOLTAGE">FE_SET_VOLTAGE</link> for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>fe_sec_voltage_t - voltage</para> -</entry><entry - align="char"> -<para>The requested bus voltage.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -</section> - +&sub-fe-set-voltage; &sub-fe-enable-high-lnb-voltage; &sub-fe-set-frontend-tune-mode; diff --git a/include/uapi/linux/dvb/frontend.h b/include/uapi/linux/dvb/frontend.h index 7aeeb5a69fdf..985b76896388 100644 --- a/include/uapi/linux/dvb/frontend.h +++ b/include/uapi/linux/dvb/frontend.h @@ -105,11 +105,13 @@ struct dvb_diseqc_slave_reply { }; /* errorcode when no message was received */ -typedef enum fe_sec_voltage { +enum fe_sec_voltage { SEC_VOLTAGE_13, SEC_VOLTAGE_18, SEC_VOLTAGE_OFF -} fe_sec_voltage_t; +}; + +typedef enum fe_sec_voltage fe_sec_voltage_t; typedef enum fe_sec_tone_mode { -- 2.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html