LINUX DVB API Version 3 - Linux TV.org
LINUX DVB API Version 3 - Linux TV.org
LINUX DVB API Version 3 - Linux TV.org
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16 <strong>DVB</strong> FRONTEND <strong>API</strong><br />
ERRORS<br />
EBADF fd is not a valid open file descriptor.<br />
EFAULT ev points to invalid address.<br />
EWOULDBLOCK There is no event pending, and the device is in nonblocking<br />
mode.<br />
EOVERFLOW<br />
Overflow in event queue - one or more events were lost.<br />
2.2.11 FE GET INFO<br />
DESCRIPTION<br />
This ioctl call returns information about the front-end. This call only requires<br />
read-only access to the device.<br />
SYNOPSIS<br />
int ioctl(int fd, int request = FE GET INFO, struct<br />
dvb frontend info *info);<br />
PARAMETERS<br />
int fd File descriptor returned by a previous call to open().<br />
int request Equals FE GET INFO for this command.<br />
struct<br />
Points to the location where the front-end information is<br />
dvb frontend info<br />
*info<br />
to be stored.<br />
ERRORS<br />
EBADF fd is not a valid open file descriptor.<br />
EFAULT info points to invalid address.<br />
2.2.12 FE DISEQC RESET OVERLOAD<br />
DESCRIPTION<br />
If the bus has been automatically powered off due to power overload, this ioctl<br />
call restores the power to the bus. The call requires read/write access to the<br />
device. This call has no effect if the device is manually powered off. Not all<br />
<strong>DVB</strong> adapters support this ioctl.<br />
SYNOPSIS<br />
int ioctl(int fd, int request =<br />
FE DISEQC RESET OVERLOAD);<br />
PARAMETERS<br />
int fd File descriptor returned by a previous call to open().<br />
int request Equals FE DISEQC RESET OVERLOAD for this command.<br />
ERRORS<br />
EBADF fd is not a valid file descriptor.<br />
EPERM Permission denied (needs read/write access).<br />
EINTERNAL Internal error in the device driver.<br />
16
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