diff --git a/Documentation/linux_tv/media/dvb/FE_READ_SIGNAL_STRENGTH.rst b/Documentation/linux_tv/media/dvb/FE_READ_SIGNAL_STRENGTH.rst index d2dd0fba5363570ec4f40b1570b8d4ae8d946c57..2a3342dc39a220f903bd6bcbd331d5d105658842 100644 --- a/Documentation/linux_tv/media/dvb/FE_READ_SIGNAL_STRENGTH.rst +++ b/Documentation/linux_tv/media/dvb/FE_READ_SIGNAL_STRENGTH.rst @@ -6,19 +6,20 @@ FE_READ_SIGNAL_STRENGTH *********************** -DESCRIPTION +Description +----------- This ioctl call returns the signal strength value for the signal currently received by the front-end. For this command, read-only access to the device is sufficient. -SYNOPSIS +Synopsis +-------- -int ioctl( int fd, int request = -:ref:`FE_READ_SIGNAL_STRENGTH`, -uint16_t *strength); +.. c:function:: int ioctl( int fd, int request = FE_READ_SIGNAL_STRENGTH, uint16_t *strength) -PARAMETERS +Arguments +---------- @@ -43,12 +44,13 @@ PARAMETERS - .. row 3 - - uint16_t *strength + - uint16_t \*strength - - The signal strength value is stored into *strength. + - The signal strength value is stored into \*strength. -RETURN VALUE +Return Value +------------ On success 0 is returned, on error -1 and the ``errno`` variable is set appropriately. The generic error codes are described at the