^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* ir-sony-decoder.c - handle Sony IR Pulse/Space protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2010 by David Härdeman <david@hardeman.nu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/bitrev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "rc-core-priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define SONY_UNIT 600 /* us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define SONY_HEADER_PULSE (4 * SONY_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define SONY_HEADER_SPACE (1 * SONY_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define SONY_BIT_0_PULSE (1 * SONY_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define SONY_BIT_1_PULSE (2 * SONY_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define SONY_BIT_SPACE (1 * SONY_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define SONY_TRAILER_SPACE (10 * SONY_UNIT) /* minimum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) enum sony_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) STATE_INACTIVE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) STATE_HEADER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) STATE_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) STATE_BIT_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) STATE_FINISHED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * ir_sony_decode() - Decode one Sony pulse or space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * @dev: the struct rc_dev descriptor of the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * @ev: the struct ir_raw_event descriptor of the pulse/space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * This function returns -EINVAL if the pulse violates the state machine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int ir_sony_decode(struct rc_dev *dev, struct ir_raw_event ev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct sony_dec *data = &dev->raw->sony;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) enum rc_proto protocol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) u32 scancode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) u8 device, subdevice, function;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (!is_timing_event(ev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (ev.reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (!geq_margin(ev.duration, SONY_UNIT, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) dev_dbg(&dev->dev, "Sony decode started at state %d (%uus %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) data->state, ev.duration, TO_STR(ev.pulse));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) switch (data->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) case STATE_INACTIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (!eq_margin(ev.duration, SONY_HEADER_PULSE, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) data->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) data->state = STATE_HEADER_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) case STATE_HEADER_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (!eq_margin(ev.duration, SONY_HEADER_SPACE, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) case STATE_BIT_PULSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) data->bits <<= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (eq_margin(ev.duration, SONY_BIT_1_PULSE, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) data->bits |= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) else if (!eq_margin(ev.duration, SONY_BIT_0_PULSE, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) data->count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) data->state = STATE_BIT_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) case STATE_BIT_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (!geq_margin(ev.duration, SONY_BIT_SPACE, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) decrease_duration(&ev, SONY_BIT_SPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (!geq_margin(ev.duration, SONY_UNIT, SONY_UNIT / 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) data->state = STATE_FINISHED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) case STATE_FINISHED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (!geq_margin(ev.duration, SONY_TRAILER_SPACE, SONY_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) switch (data->count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) case 12:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (!(dev->enabled_protocols & RC_PROTO_BIT_SONY12))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) goto finish_state_machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) device = bitrev8((data->bits << 3) & 0xF8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) subdevice = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) function = bitrev8((data->bits >> 4) & 0xFE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) protocol = RC_PROTO_SONY12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) case 15:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (!(dev->enabled_protocols & RC_PROTO_BIT_SONY15))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) goto finish_state_machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) device = bitrev8((data->bits >> 0) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) subdevice = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) function = bitrev8((data->bits >> 7) & 0xFE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) protocol = RC_PROTO_SONY15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) case 20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (!(dev->enabled_protocols & RC_PROTO_BIT_SONY20))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) goto finish_state_machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) device = bitrev8((data->bits >> 5) & 0xF8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) subdevice = bitrev8((data->bits >> 0) & 0xFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) function = bitrev8((data->bits >> 12) & 0xFE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) protocol = RC_PROTO_SONY20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) dev_dbg(&dev->dev, "Sony invalid bitcount %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) data->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) scancode = device << 16 | subdevice << 8 | function;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) dev_dbg(&dev->dev, "Sony(%u) scancode 0x%05x\n", data->count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) rc_keydown(dev, protocol, scancode, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) goto finish_state_machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) dev_dbg(&dev->dev, "Sony decode failed at state %d (%uus %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) data->state, ev.duration, TO_STR(ev.pulse));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) finish_state_machine:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static const struct ir_raw_timings_pl ir_sony_timings = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .header_pulse = SONY_HEADER_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .bit_space = SONY_BIT_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .bit_pulse[0] = SONY_BIT_0_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .bit_pulse[1] = SONY_BIT_1_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .trailer_space = SONY_TRAILER_SPACE + SONY_BIT_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .msb_first = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * ir_sony_encode() - Encode a scancode as a stream of raw events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) * @protocol: protocol to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) * @scancode: scancode to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) * @events: array of raw ir events to write into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * @max: maximum size of @events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * Returns: The number of events written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * -ENOBUFS if there isn't enough space in the array to fit the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * encoding. In this case all @max events will have been written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static int ir_sony_encode(enum rc_proto protocol, u32 scancode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct ir_raw_event *events, unsigned int max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) struct ir_raw_event *e = events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) u32 raw, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (protocol == RC_PROTO_SONY12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) raw = (scancode & 0x7f) | ((scancode & 0x1f0000) >> 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) len = 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) } else if (protocol == RC_PROTO_SONY15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) raw = (scancode & 0x7f) | ((scancode & 0xff0000) >> 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) len = 15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) raw = (scancode & 0x7f) | ((scancode & 0x1f0000) >> 9) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ((scancode & 0xff00) << 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) len = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) ret = ir_raw_gen_pl(&e, max, &ir_sony_timings, len, raw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) return e - events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static struct ir_raw_handler sony_handler = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .protocols = RC_PROTO_BIT_SONY12 | RC_PROTO_BIT_SONY15 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) RC_PROTO_BIT_SONY20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .decode = ir_sony_decode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .encode = ir_sony_encode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .carrier = 40000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .min_timeout = SONY_TRAILER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static int __init ir_sony_decode_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) ir_raw_handler_register(&sony_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) printk(KERN_INFO "IR Sony protocol handler initialized\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static void __exit ir_sony_decode_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ir_raw_handler_unregister(&sony_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) module_init(ir_sony_decode_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) module_exit(ir_sony_decode_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) MODULE_AUTHOR("David Härdeman <david@hardeman.nu>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_DESCRIPTION("Sony IR protocol decoder");