Add the capability to encode Sanyo scancodes as raw events.
Signed-off-by: Sean Young <[email protected]>
---
drivers/media/rc/ir-sanyo-decoder.c | 43 +++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/drivers/media/rc/ir-sanyo-decoder.c
b/drivers/media/rc/ir-sanyo-decoder.c
index b07d9ca..190dd91 100644
--- a/drivers/media/rc/ir-sanyo-decoder.c
+++ b/drivers/media/rc/ir-sanyo-decoder.c
@@ -176,9 +176,52 @@ static int ir_sanyo_decode(struct rc_dev *dev, struct
ir_raw_event ev)
return -EINVAL;
}
+static struct ir_raw_timings_pd ir_sanyo_timings = {
+ .header_pulse = SANYO_HEADER_PULSE,
+ .header_space = SANYO_HEADER_SPACE,
+ .bit_pulse = SANYO_BIT_PULSE,
+ .bit_space[0] = SANYO_BIT_0_SPACE,
+ .bit_space[1] = SANYO_BIT_1_SPACE,
+ .trailer_pulse = SANYO_TRAILER_PULSE,
+ .trailer_space = SANYO_TRAILER_SPACE,
+ .msb_first = 1,
+};
+
+/**
+ * ir_sanyo_encode() - Encode a scancode as a stream of raw events
+ *
+ * @protocol: protocol to encode
+ * @scancode: scancode to encode
+ * @events: array of raw ir events to write into
+ * @max: maximum size of @events
+ *
+ * Returns: The number of events written.
+ * -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_sanyo_encode(enum rc_type protocol, u32 scancode,
+ struct ir_raw_event *events, unsigned int max)
+{
+ struct ir_raw_event *e = events;
+ int ret;
+ u64 raw;
+
+ raw = ((u64)(bitrev16(scancode >> 8) & 0xfff8) << (8 + 8 + 13 - 3)) |
+ ((u64)(bitrev16(~scancode >> 8) & 0xfff8) << (8 + 8 + 0 - 3)) |
+ ((bitrev8(scancode) & 0xff) << 8) |
+ (bitrev8(~scancode) & 0xff);
+
+ ret = ir_raw_gen_pd(&e, max, &ir_sanyo_timings, SANYO_NBITS, raw);
+ if (ret < 0)
+ return ret;
+
+ return e - events;
+}
+
static struct ir_raw_handler sanyo_handler = {
.protocols = RC_BIT_SANYO,
.decode = ir_sanyo_decode,
+ .encode = ir_sanyo_encode,
};
static int __init ir_sanyo_decode_init(void)
--
2.9.3
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