From mboxrd@z Thu Jan 1 00:00:00 1970 From: sre@kernel.org (Sebastian Reichel) Date: Wed, 12 Apr 2017 16:53:43 +0200 Subject: [PATCH v2 2/3] power: supply: New driver for LEGO MINDSTORMS EV3 battery In-Reply-To: <1491944723-32174-3-git-send-email-david@lechnology.com> References: <1491944723-32174-1-git-send-email-david@lechnology.com> <1491944723-32174-3-git-send-email-david@lechnology.com> Message-ID: <20170412145343.2bexmzmpovjvgoml@earth> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Tue, Apr 11, 2017 at 04:05:22PM -0500, David Lechner wrote: > This adds a new driver for the LEGO MINDSTORMS EV3 battery. The EV3 is > an embedded ARM device that can use 6 AA batteries or a special rechargeable > Li-ion battery pack. The rechargeable battery pack presses a special key > switch in the battery compartment to indicate that it is present. > > The EV3 is only capable of monitoring battery voltage and current. The > charging circuit is built into the rechargeable battery pack and there is > no way to communicate with is, so we can't provide any information about > charging status. > > When not using the rechargeable battery pack, it is most common to use > alkaline batteries to power the device, but it is also common for people to > use rechargeable NiMH batteries. Since there is not a way to automatically > differentiate between these, the technology property is made writable. > > Signed-off-by: David Lechner Thanks, queued. -- Sebastian -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: