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Subject: Re: [PATCH 8/9] rfkill: Userspace control for airplane mode
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Mon, 8 Feb 2016 11:20:24 -0500
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Hi Joa Paulo,

> Provide an interface for the airplane-mode indicator be controlled from
> userspace. User has to first acquire the control through
> RFKILL_OP_AIRPLANE_MODE_ACQUIRE and keep the fd open for the whole time
> it wants to be in control of the indicator. Closing the fd or using
> RFKILL_OP_AIRPLANE_MODE_RELEASE restores the default policy.
> 
> To change state of the indicator, the RFKILL_OP_AIRPLANE_MODE_CHANGE
> operation is used, passing the value on "struct rfkill_event.soft". If
> the caller has not acquired the airplane-mode control beforehand, the
> operation fails.

as explained in an earlier response, the concept Airplane Mode seems to be imposing policy into the kernel. Do we really want have this as a kernel exposed API.

Regards

Marcel