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media: rc: fix timeout handling after switch to microsecond durations

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Commit 528222d853 ("media: rc: harmonize infrared durations to
microseconds") missed to switch some timeout calculations from
nanoseconds to microseconds. This resulted in spurious key_up+key_down
events at the last scancode if the rc device uses a long timeout
(eg 100ms on nuvoton-cir) as the device timeout wasn't properly
accounted for in the keyup timeout calculation.

Fix this by applying the proper conversion functions.

Cc: stable@vger.kernel.org
Fixes: 528222d853 ("media: rc: harmonize infrared durations to microseconds")
Signed-off-by: Matthias Reichl <hias@horus.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Matthias Reichl 2021-01-05 10:30:23 +01:00 committed by Mauro Carvalho Chehab
parent 2984a99ff1
commit 06b831588b
3 changed files with 4 additions and 4 deletions
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2
drivers/media/rc/ir-mce_kbd-decoder.c
View file

@ -320,7 +320,7 @@ static int ir_mce_kbd_decode(struct rc_dev *dev, struct ir_raw_event ev)
data->body);
spin_lock(&data->keylock);
if (scancode) {
delay = nsecs_to_jiffies(dev->timeout) +
delay = usecs_to_jiffies(dev->timeout) +
msecs_to_jiffies(100);
mod_timer(&data->rx_timeout, jiffies + delay);
} else {

4
drivers/media/rc/rc-main.c
View file

@ -737,7 +737,7 @@ static unsigned int repeat_period(int protocol)
void rc_repeat(struct rc_dev *dev)
{
unsigned long flags;
unsigned int timeout = nsecs_to_jiffies(dev->timeout) +
unsigned int timeout = usecs_to_jiffies(dev->timeout) +
msecs_to_jiffies(repeat_period(dev->last_protocol));
struct lirc_scancode sc = {
.scancode = dev->last_scancode, .rc_proto = dev->last_protocol,
@ -855,7 +855,7 @@ void rc_keydown(struct rc_dev *dev, enum rc_proto protocol, u64 scancode,
ir_do_keydown(dev, protocol, scancode, keycode, toggle);
if (dev->keypressed) {
dev->keyup_jiffies = jiffies + nsecs_to_jiffies(dev->timeout) +
dev->keyup_jiffies = jiffies + usecs_to_jiffies(dev->timeout) +
msecs_to_jiffies(repeat_period(protocol));
mod_timer(&dev->timer_keyup, dev->keyup_jiffies);
}

2
drivers/media/rc/serial_ir.c
View file

@ -385,7 +385,7 @@ static irqreturn_t serial_ir_irq_handler(int i, void *blah)
} while (!(sinp(UART_IIR) & UART_IIR_NO_INT)); /* still pending ? */
mod_timer(&serial_ir.timeout_timer,
jiffies + nsecs_to_jiffies(serial_ir.rcdev->timeout));
jiffies + usecs_to_jiffies(serial_ir.rcdev->timeout));
ir_raw_event_handle(serial_ir.rcdev);