From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH] i2c: bcm2835: Set up the rising/falling edge delays Date: Wed, 21 Feb 2018 09:42:59 +0100 Message-ID: <20180221084259.o6754bfe4k2hcwhj@ninjato> References: <20180208135405.25446-1-boris.brezillon@bootlin.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5389298864436729333==" Return-path: In-Reply-To: <20180208135405.25446-1-boris.brezillon-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-rpi-kernel" Errors-To: linux-rpi-kernel-bounces+glkr-linux-rpi-kernel=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Boris Brezillon Cc: Scott Branden , Ray Jui , Lee Jones , bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org --===============5389298864436729333== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fe4w5l7zjwdsjedb" Content-Disposition: inline --fe4w5l7zjwdsjedb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 08, 2018 at 02:54:05PM +0100, Boris Brezillon wrote: > From: Eric Anholt >=20 > We were leaving them in the power on state (or the state the firmware > had set up for some client, if we were taking over from them). The > boot state was 30 core clocks, when we actually want to sample some > time after (to make sure that the new input bit has actually arrived). >=20 > Signed-off-by: Eric Anholt > Signed-off-by: Boris Brezillon > Cc: Gerd Hoffmann > --- > Hello, >=20 > I'm reviving this patch that has been posted a while ago by Gerd. > It fixes EDID retrieval on some (broken?) HDMI displays, but I'm pretty > sure it will fix other I2C setup. >=20 > Note that I also tested the change with a regular I2C device and it > worked just fine. Applied to for-current, thanks! Could you provide a Fixes tag if you think this should go to stable? --fe4w5l7zjwdsjedb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlqNMRMACgkQFA3kzBSg KbZ/CA/+KqTtEPeLBCC+tUOol9+4roQFWOv3vSpe5uKKsUaiuAuDOmPLmZ7LzK8D CExQU5+uua/nSVf++EZXkzzsOA7gDUPOVgDwCpfqs873cgxHu6Lvk19oi1+HRHhn teYIn67JKQ0KF5M1kwet8Mgr1f0yoadG1Yd6aIhrJY+GlR1vnlDdkkqSnp7TIa77 W/E9bPTJB1kLUyMXILOBoSNQfFJFlNFvTDS/FMrzkL6gRN7Ve9XLKArLW8j841oo 3k/grWtbtJMETKToK5BQmJS7IgGMEqwvvIaEC8fs4mG34J9LMCFQiPux4pl6kj++ BEDzoC7ylYIzwHadj+fc8lKkETLFb+GMPkmeuDFQlJgkHd7q+jcXrMvg/bBWkd2E YMO9/qxeVz1yAnOkffRC75QPov/UOqx1iRa41QlLy+963nXhkq/YxKn00OdMHD+B KVXGzYKfL/g/hGz9ZLbi7dCFeKBUIS2qVA+2xNOtFgjJKVLYgNGGPScFabh+/dxN 6Z2BuD7itmpfiwPx4+fT+nhl127UAS1xYchA4ugLhaMDeUyI5H7f0hRtHg+h6yRJ MHA7GRYvJ209wBJOqO5v7e0LR+pIAopitdcJ7m10W6DWLImpvkbthbkGOneawj7J DPX4kdjYZ8zzpTFvqyCEF+1X9pbv8IqnZghd/iLnkao1jvPA1n0= =Eyy9 -----END PGP SIGNATURE----- --fe4w5l7zjwdsjedb-- --===============5389298864436729333== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-rpi-kernel mailing list linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org http://lists.infradead.org/mailman/listinfo/linux-rpi-kernel --===============5389298864436729333==--