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media: rc: mceusb: allow the timeout to be configurable

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mceusb devices have a default timeout of 100ms, but this can be changed.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Sean Young 2018-04-08 11:06:49 -04:00 committed by Mauro Carvalho Chehab
parent 91352b5727
commit 877f1a7cee
1 changed files with 22 additions and 0 deletions
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22
drivers/media/rc/mceusb.c
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@ -982,6 +982,25 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
return 0;
}
static int mceusb_set_timeout(struct rc_dev *dev, unsigned int timeout)
{
u8 cmdbuf[4] = { MCE_CMD_PORT_IR, MCE_CMD_SETIRTIMEOUT, 0, 0 };
struct mceusb_dev *ir = dev->priv;
unsigned int units;
units = DIV_ROUND_CLOSEST(timeout, US_TO_NS(MCE_TIME_UNIT));
cmdbuf[2] = units >> 8;
cmdbuf[3] = units;
mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
/* get receiver timeout value */
mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
return 0;
}
/*
* Select or deselect the 2nd receiver port.
* Second receiver is learning mode, wide-band, short-range receiver.
@ -1420,7 +1439,10 @@ static struct rc_dev *mceusb_init_rc_dev(struct mceusb_dev *ir)
rc->dev.parent = dev;
rc->priv = ir;
rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
rc->min_timeout = US_TO_NS(MCE_TIME_UNIT);
rc->timeout = MS_TO_NS(100);
rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
rc->s_timeout = mceusb_set_timeout;
if (!ir->flags.no_tx) {
rc->s_tx_mask = mceusb_set_tx_mask;
rc->s_tx_carrier = mceusb_set_tx_carrier;