Attachment 74708 Details for Bug 60704 – Use 25kbps datarate for i2c transfers

[patch] Use 25kbps datarate for i2c transfers

0001-drm-nouveau-Make-i2c-slower.patch (text/plain), 1.02 KB, created by Emil Velikov on 2013-02-12 20:14:37 UTC

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Creator: Emil Velikov

Created: 2013-02-12 20:14:37 UTC

Size: 1.02 KB

patch

obsolete

>From 997a88450cd7f519801380bb2dae8b7af22626df Mon Sep 17 00:00:00 2001
>From: Emil Velikov <emil.l.velikov@gmail.com>
>Date: Tue, 12 Feb 2013 20:06:36 +0000
>Subject: [PATCH] drm/nouveau: Make i2c slower
>
>Using 50kbps datarate for i2c sensors is a bit too much
>Quick and dirty fix
>
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=60704
>Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
>---
> drivers/gpu/drm/nouveau/nouveau_i2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
>index 77e5646..eb73c4d 100644
>--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
>+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
>@@ -255,7 +255,7 @@ nouveau_i2c_init(struct drm_device *dev)
> 
> 		if (port->adapter.algo != &nouveau_dp_i2c_algo) {
> 			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 = i2c_drive_sda;
>-- 
>1.8.1.2
>

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