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Input: synaptics - fix reconnect logic on MT devices 

synaptics_set_advanced_gesture_mode() affect capabilities bits we should
perform comparison after calling this function, otherwise they will never
match and we will be forced to perform full reconnect.

Signed-off-by: Alexandre Peixoto Ferreira <alexandref75@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Alexandre Peixoto Ferreira 2011-01-28 22:05:14 -08:00 committed by Dmitry Torokhov
parent e7acc84a27
commit baddf58963
1 changed files with 13 additions and 6 deletions
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19
drivers/input/mouse/synaptics.c
View File

@ -766,12 +766,6 @@ static int synaptics_reconnect(struct psmouse *psmouse)
return -1;
}
if (old_priv.identity != priv->identity ||
old_priv.model_id != priv->model_id ||
old_priv.capabilities != priv->capabilities ||
old_priv.ext_cap != priv->ext_cap)
return -1;
if (synaptics_set_absolute_mode(psmouse)) {
printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
return -1;
@ -782,6 +776,19 @@ static int synaptics_reconnect(struct psmouse *psmouse)
return -1;
}
if (old_priv.identity != priv->identity ||
old_priv.model_id != priv->model_id ||
old_priv.capabilities != priv->capabilities ||
old_priv.ext_cap != priv->ext_cap) {
printk(KERN_ERR "Synaptics hardware appears to be different: "
"id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n",
old_priv.identity, priv->identity,
old_priv.model_id, priv->model_id,
old_priv.capabilities, priv->capabilities,
old_priv.ext_cap, priv->ext_cap);
return -1;
}
return 0;
}