diff options
| author | Sean Young <sean@mess.org> | 2024-09-20 11:03:25 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-10-08 11:07:45 +0200 |
| commit | 2af8dbd4abbfc0007dd4dabb254dcf15dcdfe73e (patch) | |
| tree | 0e68fdf2c7376855de1ad8b9992093bd6b944e1e /drivers/media | |
| parent | mailmap: add entries for Hans Verkuil (diff) | |
| download | linux-2af8dbd4abbfc0007dd4dabb254dcf15dcdfe73e.tar.xz linux-2af8dbd4abbfc0007dd4dabb254dcf15dcdfe73e.zip | |
media: gpio-ir-tx: Driver does not behave with PREEMPT_RT
This driver bit-bangs a signal with interrupts disabled. The signal can
last for up to half a second (IR_MAX_DURATION).
A much better way of transmitting IR is using the pwm-ir-tx driver,
which does not disable interrupts.
Signed-off-by: Sean Young <sean@mess.org>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/rc/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 74d69ce22a33..0a8aeafdb7e0 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -184,6 +184,7 @@ config IR_GPIO_TX tristate "GPIO IR Bit Banging Transmitter" depends on LIRC depends on (OF && GPIOLIB) || COMPILE_TEST + depends on !PREEMPT_RT help Say Y if you want to a GPIO based IR transmitter. This is a bit banging driver. |