Re: [PATCH] Reset ps/2 port should psmouse_probe fail before retrying

[Christoph Fritz <chf.fritz@googlemail.com>]

On Fri, 2010-05-07 at 13:57 -0400, Peter M. Petrakis wrote:
> So where do we stand on this? Option #2 sounds like a good
> thing to implement regardless of whether synaptics is the
> victim device or not. Devices supported by the fall back driver
> will eventually get our attention again when users wish to use
> the extended features of the device. In the meanwhile, at least
> they'll have a reliable, minimum set of features.
> 
> I'm happy to continue instrumenting this mysterious synaptics
> device. Just keep the patches coming. Thanks.

You can wipe out this (maybe for firmware >7.5 obsolete) 0x47 check in
synaptics_capability() and see if it works with synaptics driver.


diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 026df60..6750dbb 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -138,7 +138,9 @@ static int synaptics_capability(struct psmouse *psmouse)
 		return -1;
 	priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2];
 	priv->ext_cap = 0;
-	if (!SYN_CAP_VALID(priv->capabilities))
+	if (!SYN_CAP_VALID(priv->capabilities) &&
+		SYN_ID_MAJOR(priv->identity) < 7 &&
+		SYN_ID_MINOR(priv->identity) < 5)
 		return -1;
 
 	/*