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media: sharp: fix sharp encoding
commit4f7efc7189
upstream. The Sharp protocol[1] encoding has incorrect timings for bit space. [1] https://www.sbprojects.net/knowledge/ir/sharp.php Fixes:d35afc5fe0
("[media] rc: ir-sharp-decoder: Add encode capability") Cc: stable@vger.kernel.org Reported-by: Joe Ferner <joe.m.ferner@gmail.com> Closes: https://sourceforge.net/p/lirc/mailman/message/38604507/ Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 5 additions and 3 deletions
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@ -23,7 +23,9 @@
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#define SHARP_UNIT 40000 /* ns */
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#define SHARP_BIT_PULSE (8 * SHARP_UNIT) /* 320us */
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#define SHARP_BIT_0_PERIOD (25 * SHARP_UNIT) /* 1ms (680us space) */
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#define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680ms space) */
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#define SHARP_BIT_1_PERIOD (50 * SHARP_UNIT) /* 2ms (1680us space) */
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#define SHARP_BIT_0_SPACE (17 * SHARP_UNIT) /* 680us space */
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#define SHARP_BIT_1_SPACE (42 * SHARP_UNIT) /* 1680us space */
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#define SHARP_ECHO_SPACE (1000 * SHARP_UNIT) /* 40 ms */
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#define SHARP_TRAILER_SPACE (125 * SHARP_UNIT) /* 5 ms (even longer) */
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@ -177,8 +179,8 @@ static const struct ir_raw_timings_pd ir_sharp_timings = {
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.header_pulse = 0,
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.header_space = 0,
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.bit_pulse = SHARP_BIT_PULSE,
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.bit_space[0] = SHARP_BIT_0_PERIOD,
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.bit_space[1] = SHARP_BIT_1_PERIOD,
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.bit_space[0] = SHARP_BIT_0_SPACE,
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.bit_space[1] = SHARP_BIT_1_SPACE,
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.trailer_pulse = SHARP_BIT_PULSE,
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.trailer_space = SHARP_ECHO_SPACE,
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.msb_first = 1,
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