| .. -*- coding: utf-8; mode: rst -*- |
| FE_READ_STATUS - Returns status information about the front-end. This call only requires - read-only access to the device |
| .. c:function:: int ioctl( int fd, FE_READ_STATUS, unsigned int *status ) |
| File descriptor returned by :ref:`open() <frontend_f_open>`. |
| pointer to a bitmask integer filled with the values defined by enum |
| All Digital TV frontend devices support the ``FE_READ_STATUS`` ioctl. It is |
| used to check about the locking status of the frontend after being |
| tuned. The ioctl takes a pointer to an integer where the status will be |
| The size of status is actually sizeof(enum fe_status), with |
| varies according with the architecture. This needs to be fixed in the |
| The fe_status parameter is used to indicate the current state and/or |
| state changes of the frontend hardware. It is produced using the enum |
| :c:type:`fe_status` values on a bitmask |
| On success 0 is returned. |
| On error -1 is returned, and the ``errno`` variable is set |
| Generic error codes are described at the |
| :ref:`Generic Error Codes <gen-errors>` chapter. |