5.4.15. ioctl LIRC_SET_MEASURE_CARRIER_MODE

5.4.15.1. Name

LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode

5.4.15.2. Synopsis

int ioctl(int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable)

5.4.15.3. Arguments

fd

File descriptor returned by open().

enable

enable = 1 means enable measure mode, enable = 0 means disable measure mode.

5.4.15.4. Description

Enable or disable measure mode. If enabled, from the next key press on, the driver will send LIRC_MODE2_FREQUENCY packets. By default this should be turned off.

5.4.15.5. 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 Generic Error Codes chapter.