On Tue, Dec 15, 2015 at 10:30:41AM -0500, João Paulo Rechi Vita wrote:
> For platform drivers to be able to correctly drive the "Airplane Mode"
> indicative LED there needs to be a RFKill LED trigger tied to the global
> state of RFKILL_TYPE_ALL (instead of to a specific RFKill) and that
> works in an inverted manner of regular RFKill LED triggers, that is, the
> LED is ON when the state is blocked, and OFF otherwise.
>
> This commit implements such a trigger, which will be used by the
> asus-wrc x86 platform driver.
So this will need to go through Johannes and David per get_maintainer.pl before
we can use it in platform drivers.
+Johannes
+David
+wireless
+netdev
--
Darren Hart
Intel Open Source Technology Center
>
> Signed-off-by: João Paulo Rechi Vita
> ---
> net/rfkill/core.c | 30 ++
> 1 file changed, 30 insertions(+)
>
> diff --git a/net/rfkill/core.c b/net/rfkill/core.c
> index b41e9ea..3effc29 100644
> --- a/net/rfkill/core.c
> +++ b/net/rfkill/core.c
> @@ -124,6 +124,26 @@ static bool rfkill_epo_lock_active;
>
>
> #ifdef CONFIG_RFKILL_LEDS
> +static void airplane_mode_led_trigger_activate(struct led_classdev *led);
> +
> +static struct led_trigger airplane_mode_led_trigger = {
> + .name = "rfkill-airplane-mode",
> + .activate = airplane_mode_led_trigger_activate,
> +};
> +
> +static void airplane_mode_led_trigger_event(void)
> +{
> + if (rfkill_global_states[RFKILL_TYPE_ALL].cur & RFKILL_BLOCK_ANY)
> + led_trigger_event(&airplane_mode_led_trigger, LED_FULL);
> + else
> + led_trigger_event(&airplane_mode_led_trigger, LED_OFF);
> +}
> +
> +static void airplane_mode_led_trigger_activate(struct led_classdev *led)
> +{
> + airplane_mode_led_trigger_event();
> +}
> +
> static void rfkill_led_trigger_event(struct rfkill *rfkill)
> {
> struct led_trigger *trigger;
> @@ -175,6 +195,10 @@ static void rfkill_led_trigger_unregister(struct rfkill
> *rfkill)
> led_trigger_unregister(&rfkill->led_trigger);
> }
> #else
> +static void airplane_mode_led_trigger_event(void)
> +{
> +}
> +
> static void rfkill_led_trigger_event(struct rfkill *rfkill)
> {
> }
> @@ -346,6 +370,7 @@ static void __rfkill_switch_all(const enum rfkill_type
> type, bool blocked)
>
> for (i = 0; i < NUM_RFKILL_TYPES; i++)
> rfkill_global_states[i].cur = blocked;
> + airplane_mode_led_trigger_event();
> } else {
> rfkill_global_states[type].cur = blocked;
> }
> @@ -1177,6 +1202,7 @@ static ssize_t rfkill_fop_write(struct file *file,
> const char __user *buf,
> enum rfkill_type i;
> for (i = 0; i < NUM_RFKILL_TYPES; i++)
> rfkill_global_states[i].cur = ev.soft;
> + airplane_mode_led_trigger_event();
> } else {
> rfkill_global_states[ev.type].cur = ev.soft;
> }
> @@ -1293,6 +1319,10 @@ static int __init rfkill_init(void)
> }
> #endif
>
> +#ifdef CONFIG_RFKILL_LEDS
> + led_trigger_register(&airplane_mode_led_trigger);
> +#endif
> +
> out:
> return error;
> }
> --
> 2.5.0
>
> --
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