Orange Pi5 kernel

^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-jvc-decoder.c - handle JVC 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 JVC_NBITS		16		/* dev(8) + func(8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #define JVC_UNIT		525		/* us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #define JVC_HEADER_PULSE	(16 * JVC_UNIT) /* lack of header -> repeat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #define JVC_HEADER_SPACE	(8  * JVC_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #define JVC_BIT_PULSE		(1  * JVC_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #define JVC_BIT_0_SPACE		(1  * JVC_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #define JVC_BIT_1_SPACE		(3  * JVC_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define JVC_TRAILER_PULSE	(1  * JVC_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define	JVC_TRAILER_SPACE	(35 * JVC_UNIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) enum jvc_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	STATE_INACTIVE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	STATE_HEADER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	STATE_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	STATE_BIT_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	STATE_TRAILER_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	STATE_TRAILER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	STATE_CHECK_REPEAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  * ir_jvc_decode() - Decode one JVC pulse or space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33)  * @dev:	the struct rc_dev descriptor of the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34)  * @ev:   the struct ir_raw_event descriptor of the pulse/space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  * This function returns -EINVAL if the pulse violates the state machine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int ir_jvc_decode(struct rc_dev *dev, struct ir_raw_event ev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	struct jvc_dec *data = &dev->raw->jvc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	if (!is_timing_event(ev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		if (ev.reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 			data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	if (!geq_margin(ev.duration, JVC_UNIT, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	dev_dbg(&dev->dev, "JVC decode started at state %d (%uus %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		data->state, ev.duration, TO_STR(ev.pulse));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) again:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	switch (data->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	case STATE_INACTIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		if (!eq_margin(ev.duration, JVC_HEADER_PULSE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		data->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		data->first = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		data->toggle = !data->toggle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		data->state = STATE_HEADER_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	case STATE_HEADER_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		if (!eq_margin(ev.duration, JVC_HEADER_SPACE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	case STATE_BIT_PULSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		if (!eq_margin(ev.duration, JVC_BIT_PULSE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^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) 		data->bits <<= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		if (eq_margin(ev.duration, JVC_BIT_1_SPACE, JVC_UNIT / 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 			data->bits |= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			decrease_duration(&ev, JVC_BIT_1_SPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		} else if (eq_margin(ev.duration, JVC_BIT_0_SPACE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			decrease_duration(&ev, JVC_BIT_0_SPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		data->count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		if (data->count == JVC_NBITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 			data->state = STATE_TRAILER_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 			data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	case STATE_TRAILER_PULSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		if (!ev.pulse)
^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) 		if (!eq_margin(ev.duration, JVC_TRAILER_PULSE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		data->state = STATE_TRAILER_SPACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	case STATE_TRAILER_SPACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		if (ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		if (!geq_margin(ev.duration, JVC_TRAILER_SPACE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		if (data->first) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 			u32 scancode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 			scancode = (bitrev8((data->bits >> 8) & 0xff) << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 				   (bitrev8((data->bits >> 0) & 0xff) << 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 			dev_dbg(&dev->dev, "JVC scancode 0x%04x\n", scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			rc_keydown(dev, RC_PROTO_JVC, scancode, data->toggle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			data->first = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			data->old_bits = data->bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		} else if (data->bits == data->old_bits) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 			dev_dbg(&dev->dev, "JVC repeat\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 			rc_repeat(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			dev_dbg(&dev->dev, "JVC invalid repeat msg\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		data->count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		data->state = STATE_CHECK_REPEAT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	case STATE_CHECK_REPEAT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		if (!ev.pulse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		if (eq_margin(ev.duration, JVC_HEADER_PULSE, JVC_UNIT / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)   else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			data->state = STATE_BIT_PULSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		goto again;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	dev_dbg(&dev->dev, "JVC decode failed at state %d (%uus %s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		data->state, ev.duration, TO_STR(ev.pulse));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	data->state = STATE_INACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static const struct ir_raw_timings_pd ir_jvc_timings = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	.header_pulse  = JVC_HEADER_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	.header_space  = JVC_HEADER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	.bit_pulse     = JVC_BIT_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	.bit_space[0]  = JVC_BIT_0_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	.bit_space[1]  = JVC_BIT_1_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	.trailer_pulse = JVC_TRAILER_PULSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	.trailer_space = JVC_TRAILER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	.msb_first     = 1,
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)  * ir_jvc_encode() - Encode a scancode as a stream of raw events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  * @protocol:	protocol to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  * @scancode:	scancode to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)  * @events:	array of raw ir events to write into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)  * @max:	maximum size of @events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)  * Returns:	The number of events written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)  *		-ENOBUFS if there isn't enough space in the array to fit the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)  *		encoding. In this case all @max events will have been written.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static int ir_jvc_encode(enum rc_proto protocol, u32 scancode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			 struct ir_raw_event *events, unsigned int max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	struct ir_raw_event *e = events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	u32 raw = (bitrev8((scancode >> 8) & 0xff) << 8) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		  (bitrev8((scancode >> 0) & 0xff) << 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	ret = ir_raw_gen_pd(&e, max, &ir_jvc_timings, JVC_NBITS, raw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	return e - events;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static struct ir_raw_handler jvc_handler = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	.protocols	= RC_PROTO_BIT_JVC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	.decode		= ir_jvc_decode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	.encode		= ir_jvc_encode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	.carrier	= 38000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	.min_timeout	= JVC_TRAILER_SPACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static int __init ir_jvc_decode_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	ir_raw_handler_register(&jvc_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	printk(KERN_INFO "IR JVC protocol handler initialized\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static void __exit ir_jvc_decode_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	ir_raw_handler_unregister(&jvc_handler);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) module_init(ir_jvc_decode_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) module_exit(ir_jvc_decode_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) MODULE_AUTHOR("David Härdeman <david@hardeman.nu>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) MODULE_DESCRIPTION("JVC IR protocol decoder");