| From | Ben Hutchings <> | Date | Mon, 06 Nov 2017 23:03:02 +0000 | Subject | [PATCH 3.16 064/294] media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds |
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3.16.50-rc1 review patch. If anyone has any objections, please let me know.
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From: Sean Young <sean@mess.org>
commit 9f5039ba440e499d85c29b1ddbc3cbc9dc90e44b upstream.
Since commit e8f4818895b3 ("[media] lirc: advertise LIRC_CAN_GET_REC_RESOLUTION and improve") lircd uses the ioctl LIRC_GET_REC_RESOLUTION to determine the shortest pulse or space that the hardware can detect. This breaks decoding in lirc because lircd expects the answer in microseconds, but nanoseconds is returned.
Reported-by: Derek <user.vdr@gmail.com> Tested-by: Derek <user.vdr@gmail.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/media/rc/ir-lirc-codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -257,7 +257,7 @@ static long ir_lirc_ioctl(struct file *f return 0; case LIRC_GET_REC_RESOLUTION: - val = dev->rx_resolution; + val = dev->rx_resolution / 1000; break; case LIRC_SET_WIDEBAND_RECEIVER:
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