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UPSTREAM: media: rc: gpio-ir-tx: use ktime accessor functions

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Prefer using accessor functions so we are not dependent on the ktime_t
type.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
(cherry picked from commit 766cbb3189)
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
This commit is contained in:
Sean Young
2017-08-25 10:45:47 -04:00
committed by Tao Huang
parent b06b2e68c5
commit 23c49dc84d
1 changed files with 7 additions and 5 deletions
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12
drivers/media/rc/gpio-ir-tx.c
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@@ -98,15 +98,17 @@ static int gpio_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
// pulse
ktime_t last = ktime_add_us(edge, txbuf[i]);
while (ktime_get() < last) {
while (ktime_before(ktime_get(), last)) {
gpiod_set_value(gpio_ir->gpio, 1);
edge += pulse;
delta = edge - ktime_get();
edge = ktime_add_ns(edge, pulse);
delta = ktime_to_ns(ktime_sub(edge,
ktime_get()));
if (delta > 0)
ndelay(delta);
gpiod_set_value(gpio_ir->gpio, 0);
edge += space;
delta = edge - ktime_get();
edge = ktime_add_ns(edge, space);
delta = ktime_to_ns(ktime_sub(edge,
ktime_get()));
if (delta > 0)
ndelay(delta);
}