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path: root/drivers/media/rc/ir-jvc-decoder.c
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Diffstat (limited to 'drivers/media/rc/ir-jvc-decoder.c')
-rw-r--r--drivers/media/rc/ir-jvc-decoder.c38
1 files changed, 16 insertions, 22 deletions
diff --git a/drivers/media/rc/ir-jvc-decoder.c b/drivers/media/rc/ir-jvc-decoder.c
index 674bf156edcb..8b10954d2b6b 100644
--- a/drivers/media/rc/ir-jvc-decoder.c
+++ b/drivers/media/rc/ir-jvc-decoder.c
@@ -1,15 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* ir-jvc-decoder.c - handle JVC IR Pulse/Space protocol
*
* Copyright (C) 2010 by David Härdeman <david@hardeman.nu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/bitrev.h>
@@ -17,7 +9,7 @@
#include "rc-core-priv.h"
#define JVC_NBITS 16 /* dev(8) + func(8) */
-#define JVC_UNIT 525000 /* ns */
+#define JVC_UNIT 525 /* us */
#define JVC_HEADER_PULSE (16 * JVC_UNIT) /* lack of header -> repeat */
#define JVC_HEADER_SPACE (8 * JVC_UNIT)
#define JVC_BIT_PULSE (1 * JVC_UNIT)
@@ -39,7 +31,7 @@ enum jvc_state {
/**
* ir_jvc_decode() - Decode one JVC pulse or space
* @dev: the struct rc_dev descriptor of the device
- * @duration: the struct ir_raw_event descriptor of the pulse/space
+ * @ev: the struct ir_raw_event descriptor of the pulse/space
*
* This function returns -EINVAL if the pulse violates the state machine
*/
@@ -48,7 +40,7 @@ static int ir_jvc_decode(struct rc_dev *dev, struct ir_raw_event ev)
struct jvc_dec *data = &dev->raw->jvc;
if (!is_timing_event(ev)) {
- if (ev.reset)
+ if (ev.overflow)
data->state = STATE_INACTIVE;
return 0;
}
@@ -56,8 +48,8 @@ static int ir_jvc_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (!geq_margin(ev.duration, JVC_UNIT, JVC_UNIT / 2))
goto out;
- IR_dprintk(2, "JVC decode started at state %d (%uus %s)\n",
- data->state, TO_US(ev.duration), TO_STR(ev.pulse));
+ dev_dbg(&dev->dev, "JVC decode started at state %d (%uus %s)\n",
+ data->state, ev.duration, TO_STR(ev.pulse));
again:
switch (data->state) {
@@ -136,15 +128,15 @@ again:
u32 scancode;
scancode = (bitrev8((data->bits >> 8) & 0xff) << 8) |
(bitrev8((data->bits >> 0) & 0xff) << 0);
- IR_dprintk(1, "JVC scancode 0x%04x\n", scancode);
- rc_keydown(dev, RC_TYPE_JVC, scancode, data->toggle);
+ dev_dbg(&dev->dev, "JVC scancode 0x%04x\n", scancode);
+ rc_keydown(dev, RC_PROTO_JVC, scancode, data->toggle);
data->first = false;
data->old_bits = data->bits;
} else if (data->bits == data->old_bits) {
- IR_dprintk(1, "JVC repeat\n");
+ dev_dbg(&dev->dev, "JVC repeat\n");
rc_repeat(dev);
} else {
- IR_dprintk(1, "JVC invalid repeat msg\n");
+ dev_dbg(&dev->dev, "JVC invalid repeat msg\n");
break;
}
@@ -164,8 +156,8 @@ again:
}
out:
- IR_dprintk(1, "JVC decode failed at state %d (%uus %s)\n",
- data->state, TO_US(ev.duration), TO_STR(ev.pulse));
+ dev_dbg(&dev->dev, "JVC decode failed at state %d (%uus %s)\n",
+ data->state, ev.duration, TO_STR(ev.pulse));
data->state = STATE_INACTIVE;
return -EINVAL;
}
@@ -193,7 +185,7 @@ static const struct ir_raw_timings_pd ir_jvc_timings = {
* -ENOBUFS if there isn't enough space in the array to fit the
* encoding. In this case all @max events will have been written.
*/
-static int ir_jvc_encode(enum rc_type protocol, u32 scancode,
+static int ir_jvc_encode(enum rc_proto protocol, u32 scancode,
struct ir_raw_event *events, unsigned int max)
{
struct ir_raw_event *e = events;
@@ -209,9 +201,11 @@ static int ir_jvc_encode(enum rc_type protocol, u32 scancode,
}
static struct ir_raw_handler jvc_handler = {
- .protocols = RC_BIT_JVC,
+ .protocols = RC_PROTO_BIT_JVC,
.decode = ir_jvc_decode,
.encode = ir_jvc_encode,
+ .carrier = 38000,
+ .min_timeout = JVC_TRAILER_SPACE,
};
static int __init ir_jvc_decode_init(void)