patch-2.2.16 linux/drivers/char/pc_keyb.c

• Lines: 50
• Date: Wed Jun 7 14:26:42 2000
• Orig file: v2.2.15/linux/drivers/char/pc_keyb.c
• Orig date: Mon Aug 9 12:04:39 1999

diff -urN v2.2.15/linux/drivers/char/pc_keyb.c linux/drivers/char/pc_keyb.c
@@ -56,6 +56,9 @@
 
 static void kbd_write_command_w(int data);
 static void kbd_write_output_w(int data);
+#ifdef CONFIG_PSMOUSE
+static void aux_write_ack(int val);
+#endif
 
 spinlock_t kbd_controller_lock = SPIN_LOCK_UNLOCKED;
 static unsigned char handle_kbd_event(void);
@@ -73,6 +76,9 @@
 
 static int __init psaux_init(void);
 
+#define AUX_RECONNECT    170
+/* #define CHECK_RECONNECT_SCANCODE 1 */
+
 static struct aux_queue *queue;	/* Mouse data buffer. */
 static int aux_count = 0;
 /* used when we send commands to the mouse that expect an ACK. */
@@ -393,6 +399,19 @@
 		}
 		mouse_reply_expected = 0;
 	}
+    else if(scancode == AUX_RECONNECT){
+        queue->head = queue->tail = 0;  /* Flush input queue */
+        /*
+         * need this stuff? seems to work fine w/o it for me
+        aux_write_ack(AUX_SET_SAMPLE);
+        aux_write_ack(100);
+        aux_write_ack(AUX_SET_RES);
+        aux_write_ack(3);
+        aux_write_ack(AUX_SET_SCALE21);
+        */
+        aux_write_ack(AUX_ENABLE_DEV);  /* ping the mouse :) */
+        return;
+    }
 
 	add_mouse_randomness(scancode);
 	if (aux_count) {
@@ -426,6 +445,9 @@
 		unsigned char scancode;
 
 		scancode = kbd_read_input();
+#  ifdef CHECK_RECONNECT_SCANCODE
+    printk(KERN_INFO "-=db=-: kbd_read_input() : scancode == %d\n",scancode);
+#  endif
 		if (status & KBD_STAT_MOUSE_OBF) {
 			handle_mouse_event(scancode);
 		} else {