Input: do not corrupt system-wide procfs fops.

[linux-2.6] / drivers / input / mouse / psmouse-base.c

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 019034b21a0bc91d3f0f941b05e7e495b6b69a08..0ecf1297b6a84ba16fa6718e01259f5c2bfee981 100644 (file)
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -24,6 +24,7 @@
 #include "synaptics.h"
 #include "logips2pp.h"
 #include "alps.h"
+#include "lifebook.h"
 
 #define DRIVER_DESC    "PS/2 mouse driver"
 
@@ -34,12 +35,12 @@ MODULE_LICENSE("GPL");
 static unsigned int psmouse_max_proto = -1U;
 static int psmouse_set_maxproto(const char *val, struct kernel_param *kp);
 static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp);
-static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, NULL };
+static char *psmouse_proto_abbrev[] = { NULL, "bare", NULL, NULL, NULL, "imps", "exps", NULL, NULL, "lifebook" };
 #define param_check_proto_abbrev(name, p)      __param_check(name, p, unsigned int)
 #define param_set_proto_abbrev                 psmouse_set_maxproto
 #define param_get_proto_abbrev                 psmouse_get_maxproto
 module_param_named(proto, psmouse_max_proto, proto_abbrev, 0644);
-MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, any). Useful for KVM switches.");
+MODULE_PARM_DESC(proto, "Highest protocol extension to probe (bare, imps, exps, lifebook, any). Useful for KVM switches.");
 
 static unsigned int psmouse_resolution = 200;
 module_param_named(resolution, psmouse_resolution, uint, 0644);
@@ -67,7 +68,7 @@ __obsolete_setup("psmouse_smartscroll=");
 __obsolete_setup("psmouse_resetafter=");
 __obsolete_setup("psmouse_rate=");
 
-static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2" };
+static char *psmouse_protocols[] = { "None", "PS/2", "PS2++", "ThinkPS/2", "GenPS/2", "ImPS/2", "ImExPS/2", "SynPS/2", "AlpsPS/2", "LBPS/2" };
 
 /*
  * psmouse_process_byte() analyzes the PS/2 data stream and reports
@@ -423,6 +424,19 @@ static int psmouse_extensions(struct psmouse *psmouse,
 {
        int synaptics_hardware = 0;
 
+/*
+ * We always check for lifebook because it does not disturb mouse
+ * (it only checks DMI information).
+ */
+       if (lifebook_detect(psmouse, set_properties) == 0 ||
+           max_proto == PSMOUSE_LIFEBOOK) {
+
+               if (max_proto > PSMOUSE_IMEX) {
+                       if (!set_properties || lifebook_init(psmouse) == 0)
+                               return PSMOUSE_LIFEBOOK;
+               }
+       }
+
 /*
  * Try Kensington ThinkingMouse (we try first, because synaptics probe
  * upsets the thinkingmouse).