Em Tue, 28 Oct 2014 20:43:14 +0200
Tomas Melin <tomas.me...@iki.fi> escreveu:
> IR receiver using nuvoton-cir and lirc required additional configuration
> steps after upgrade from kernel 3.16 to 3.17-rcX.
> Bisected regression to commit da6e162d6a4607362f8478c715c797d84d449f8b
> ("[media] rc-core: simplify sysfs code").
>
> The regression comes from adding function change_protocol in
> ir-raw.c. It changes behaviour so that only the protocol enabled by driver's
> map_name will be active after registration. This breaks user space behaviour,
> lirc does not get key press signals anymore.
>
> Enable lirc protocol by default for ir raw decoders to restore original
> behaviour.
Yeah, this patch looks ok on my eyes.
Regards,
Mauro
>
> Signed-off-by: Tomas Melin <tomas.me...@iki.fi>
> ---
> drivers/media/rc/rc-ir-raw.c | 1 -
> drivers/media/rc/rc-main.c | 2 ++
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
> index e8fff2a..b732ac6 100644
> --- a/drivers/media/rc/rc-ir-raw.c
> +++ b/drivers/media/rc/rc-ir-raw.c
> @@ -262,7 +262,6 @@ int ir_raw_event_register(struct rc_dev *dev)
> return -ENOMEM;
>
> dev->raw->dev = dev;
> - dev->enabled_protocols = ~0;
> dev->change_protocol = change_protocol;
> rc = kfifo_alloc(&dev->raw->kfifo,
> sizeof(struct ir_raw_event) * MAX_IR_EVENT_SIZE,
> diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
> index a7991c7..8d3b74c 100644
> --- a/drivers/media/rc/rc-main.c
> +++ b/drivers/media/rc/rc-main.c
> @@ -1421,6 +1421,8 @@ int rc_register_device(struct rc_dev *dev)
>
> if (dev->change_protocol) {
> u64 rc_type = (1 << rc_map->rc_type);
> + if (dev->driver_type == RC_DRIVER_IR_RAW)
> + rc_type |= RC_BIT_LIRC;
> rc = dev->change_protocol(dev, &rc_type);
> if (rc < 0)
> goto out_raw;
--
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