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UPSTREAM: media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds

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Since commit e8f4818895 ("[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.

Cc: <stable@vger.kernel.org> # v2.6.36+
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>
(cherry picked from commit 9f5039ba44)
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
This commit is contained in:
Sean Young
2017-07-07 18:49:18 -03:00
committed by Tao Huang
parent c0fccd37bf
commit 077accbf6c
1 changed files with 1 additions and 1 deletions
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2
drivers/media/rc/ir-lirc-codec.c
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@@ -266,7 +266,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
if (!dev->rx_resolution)
return -ENOTTY;
val = dev->rx_resolution;
val = dev->rx_resolution / 1000;
break;
case LIRC_SET_WIDEBAND_RECEIVER: