// SPDX-License-Identifier: GPL-2.0 // test ir decoder // // Copyright (C) 2018 Sean Young <sean@mess.org> #include <linux/bpf.h> #include <linux/lirc.h> #include <bpf/bpf_helpers.h> SEC("lirc_mode2") int bpf_decoder(unsigned int *sample) { if (LIRC_IS_PULSE(*sample)) { unsigned int duration = LIRC_VALUE(*sample); if (duration & 0x1000) bpf_rc_keydown(sample, 0x40, duration & 0xffff, 0); if (duration & 0x2000) bpf_rc_pointer_rel(sample, (duration >> 8) & 0xff, duration & 0xff); } return 0; } char _license[] SEC("license") = "GPL";