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Subject: media: sharp: fix sharp encoding Author: Sean Young <s...@mess.org> Date: Fri Oct 6 12:54:25 2023 +0100 The Sharp protocol[1] encoding has incorrect timings for bit space. [1] https://www.sbprojects.net/knowledge/ir/sharp.php Fixes: d35afc5fe097 ("[media] rc: ir-sharp-decoder: Add encode capability") Cc: sta...@vger.kernel.org Reported-by: Joe Ferner <joe.m.fer...@gmail.com> Closes: https://sourceforge.net/p/lirc/mailman/message/38604507/ Signed-off-by: Sean Young <s...@mess.org> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> drivers/media/rc/ir-sharp-decoder.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- diff --git a/drivers/media/rc/ir-sharp-decoder.c b/drivers/media/rc/ir-sharp-decoder.c index 3d8488c39c56..3311099cbd57 100644 --- a/drivers/media/rc/ir-sharp-decoder.c +++ b/drivers/media/rc/ir-sharp-decoder.c @@ -15,7 +15,9 @@ #define SHARP_UNIT 40 /* us */ #define SHARP_BIT_PULSE (8 * SHARP_UNIT) /* 320us */ #define SHARP_BIT_0_PERIOD (25 * SHARP_UNIT) /* 1ms (680us space) */ -#define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680ms space) */ +#define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680us space) */ +#define SHARP_BIT_0_SPACE (17 * SHARP_UNIT) /* 680us space */ +#define SHARP_BIT_1_SPACE (42 * SHARP_UNIT) /* 1680us space */ #define SHARP_ECHO_SPACE (1000 * SHARP_UNIT) /* 40 ms */ #define SHARP_TRAILER_SPACE (125 * SHARP_UNIT) /* 5 ms (even longer) */ @@ -168,8 +170,8 @@ static const struct ir_raw_timings_pd ir_sharp_timings = { .header_pulse = 0, .header_space = 0, .bit_pulse = SHARP_BIT_PULSE, - .bit_space[0] = SHARP_BIT_0_PERIOD, - .bit_space[1] = SHARP_BIT_1_PERIOD, + .bit_space[0] = SHARP_BIT_0_SPACE, + .bit_space[1] = SHARP_BIT_1_SPACE, .trailer_pulse = SHARP_BIT_PULSE, .trailer_space = SHARP_ECHO_SPACE, .msb_first = 1, _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
