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Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c b/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c new file mode 100644 index 000000000..7a6620671 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_lirc_mode2_kern.c @@ -0,0 +1,26 @@ +// 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 & 0x10000) + bpf_rc_keydown(sample, 0x40, duration & 0xffff, 0); + if (duration & 0x20000) + bpf_rc_pointer_rel(sample, (duration >> 8) & 0xff, + duration & 0xff); + } + + return 0; +} + +char _license[] SEC("license") = "GPL"; |