Attachment 74749 Details for Bug 60704 – i2c datarate transfer patch ported upstream

[patch] i2c datarate transfer patch ported upstream

0001-drm-nouveau-Make-i2c-slower.patch (text/plain), 1.31 KB, created by Marc Meledandri on 2013-02-13 13:28:24 UTC

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Creator: Marc Meledandri

Created: 2013-02-13 13:28:24 UTC

Size: 1.31 KB

patch

obsolete

>From d3cdbf4d09b5469049c6fcd898d9b3a98c4e793d Mon Sep 17 00:00:00 2001
>From: Marc Meledandri <m.meledandri@gmail.com>
>Date: Wed, 13 Feb 2013 07:24:48 -0500
>Subject: [PATCH 1/1] drm/nouveau: Make i2c slower
>
>Original Author: Emil Velikov <emil.l.velikov@gmail.com>
>
>Using 50kbps datarate for i2c sensors is a bit too much
>Quick and dirty fix
>
>[Port of 3.4 commit 997a88450cd7f519801380bb2dae8b7af22626df]
>[/nouveau/nouveau_i2c.c moved to/nouveau/core/subdev/i2c/base.c]
>
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=60704
>
>Signed-off-by: Marc Meledandri <m.meledandri@gmail.com>
>---
> drivers/gpu/drm/nouveau/core/subdev/i2c/base.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
>index dbfc2abf..3ef72c4 100644
>--- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
>+++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
>@@ -340,7 +340,7 @@ nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
> 				ret = i2c_add_adapter(&port->adapter);
> 			} else {
> 				port->adapter.algo_data = &port->bit;
>-				port->bit.udelay = 10;
>+				port->bit.udelay = 20;
> 				port->bit.timeout = usecs_to_jiffies(2200);
> 				port->bit.data = port;
> 				port->bit.setsda = nouveau_i2c_drive_sda;
>-- 
>1.7.10.4
>

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