linux-kernel - Re: [PATCH 8/9] rfkill: Userspace control for airplane mode

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Date:	Wed, 10 Feb 2016 17:07:24 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Dan Williams <dcbw@...hat.com>,
	João Paulo Rechi Vita <jprvita@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Darren Hart <dvhart@...radead.org>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	platform-driver-x86@...r.kernel.org, linux-api@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux@...lessm.com,
	João Paulo Rechi Vita 
	<jprvita@...lessm.com>
Subject: Re: [PATCH 8/9] rfkill: Userspace control for airplane mode

On Mon, 2016-02-08 at 10:11 -0600, Dan Williams wrote:
> I'd like to clarify a bit, so tell me if I'm correct or not.  Using
> RFKILL_OP_AIRPLANE_MODE_CHANGE does not actually change any device
> state. It's just an indicator with no relationship to any of the
> registered rfkill switches, right?

Yes. I'm not sure I'm totally happy with this userspace API.

> I wonder if setting RFKILL_OP_AIRPLANE_MODE_CHANGE(true) shouldn't
> also
> softblock all switches, otherwise you can set airplane mode all day
> long with RFKILL_OP_AIRPLANE_MODE_CHANGE and it doesn't actually
> enable
> airplane mode at all?

No, this is kinda the point that you could implement your policy in
userspace now.

johannes