From mboxrd@z Thu Jan 1 00:00:00 1970 From: sre@kernel.org (Sebastian Reichel) Date: Sun, 31 Jan 2016 01:24:07 +0100 Subject: 3-color led too bright In-Reply-To: <20160130200750.GB30429@amd> References: <20160130200750.GB30429@amd> Message-ID: <20160131002406.GA21238@earth> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Pavel, On Sat, Jan 30, 2016 at 09:07:50PM +0100, Pavel Machek wrote: > The indicator 3-color LED in mainline kernel seem to be a bit too > bright. .. more bright to look at comfortably. I believe it is also > brighter than in original maemo... I believe I've seen note somewhere > that hardware may allow too much current to the 3-color led damaging > hardware... but I can't find the link now. Safe current limits for the leds are configured in the DTS (led-cur and max-cur) and can be checked in sysfs. I remember testing the safety limits when I added them to DT, but the driver has changed a bit since then. -- Sebastian -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: