From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030392AbcGGIRS (ORCPT ); Thu, 7 Jul 2016 04:17:18 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:52148 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756709AbcGGIRQ (ORCPT ); Thu, 7 Jul 2016 04:17:16 -0400 Date: Thu, 7 Jul 2016 10:16:40 +0200 From: Mark Brown To: Doug Anderson Cc: Boris Brezillon , Lee Jones , Brian Norris , "open list:ARM/Rockchip SoC..." , Heiko Stuebner , Liam Girdwood , "linux-kernel@vger.kernel.org" Message-ID: <20160707081640.GG6247@sirena.org.uk> References: <1467089591-7631-1-git-send-email-dianders@chromium.org> <20160706142719.73713123@bbrezillon> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="y52ms2kKCoiSthOi" Content-Disposition: inline In-Reply-To: X-Cookie: You are always busy. User-Agent: Mutt/1.6.0 (2016-04-01) X-SA-Exim-Connect-IP: 137.158.23.252 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH] regulator: pwm: Fix regulator ramp delay for continuous mode X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --y52ms2kKCoiSthOi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 06, 2016 at 11:31:45AM -0700, Doug Anderson wrote: > I'll certainly let Mark comment here, but: > * For enabling the PWM, I think you want want "regulator-enable-ramp-dela= y". In the absence of that we should just be treating it as a voltage change =66rom zero. Some regulators do have different characteristics on initial ramp up but if we don't know about them we ought to just use the regular one. Note that the core does have standard code to apply delays which may just be working here. --y52ms2kKCoiSthOi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJXfg/lAAoJECTWi3JdVIfQjzIH/2AyBk8KjQXzOVx1L3rKxXxS aDKN+AgOTzXubi5osgyOs4yNwFKhgkDXuSEVE446WWF/Pk8RphxKZx53YRZPfBVP 3KlZbJCjTYZ3vmxq08vcZE2ubZcv9lSWH3nk4jw2E7j9zbXQA4i0gVHfBhSFJKKp MpfuSydYr3fg2z88+d0eEaOEp0kzSnvB8y2Yp7DmhcdDVQCg8ZjJJyJJ6GIv5C2E DfxBR19+8Fke76JIBQvEUDcaXXQ+mJXxtN9B/nTBE5bBu7iPbqCcPOvv5TukDoC5 cDOSVJHKZFIUs7kNGVyU455OaGEkvUguqizSx15v1lOv+HtQH+eZDIo75ziM/r4= =Uih+ -----END PGP SIGNATURE----- --y52ms2kKCoiSthOi--