Handle input-only keyboard interfaces.

Handle slowly responding keyboards.

drivers/input/keyboard/atkbd.c

 /*
- * $Id: atkbd.c,v 1.31 2002/01/27 01:48:54 vojtech Exp $
+ * $Id: atkbd.c,v 1.33 2002/02/12 09:34:34 vojtech Exp $
  *
  *  Copyright (c) 1999-2001 Vojtech Pavlik
  */
@@ -31,7 +31,6 @@
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/serio.h>
-#include <linux/tqueue.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("AT and PS/2 keyboard driver");
@@ -204,7 +203,7 @@ static void atkbd_interrupt(struct serio *serio, unsigned char data, unsigned in
 
 static int atkbd_sendbyte(struct atkbd *atkbd, unsigned char byte)
 {
-	int timeout = 1000; /* 10 msec */
+	int timeout = 10000; /* 100 msec */
 	atkbd->ack = 0;
 
 #ifdef ATKBD_DEBUG
@@ -223,7 +222,7 @@ static int atkbd_sendbyte(struct atkbd *atkbd, unsigned char byte)
 
 static int atkbd_command(struct atkbd *atkbd, unsigned char *param, int command)
 {
-	int timeout = 10000; /* 100 msec */
+	int timeout = 50000; /* 500 msec */
 	int send = (command >> 12) & 0xf;
 	int receive = (command >> 8) & 0xf;
 	int i;
@@ -259,6 +258,9 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co
 	struct atkbd *atkbd = dev->private;
 	char param[2];
 
+	if (!atkbd->serio->write)
+		return -1;
+
 	switch (type) {
 
 		case EV_LED:
@@ -463,8 +465,10 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 
 	memset(atkbd, 0, sizeof(struct atkbd));
 
+	if (serio->write) {
 		atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
 		atkbd->dev.ledbit[0] = BIT(LED_NUML) | BIT(LED_CAPSL) | BIT(LED_SCROLLL);
+	} else  atkbd->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
 
 	atkbd->serio = serio;
 
@@ -482,6 +486,8 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 		return;
 	}
 
+	if (serio->write) {
+
 		if (atkbd_probe(atkbd)) {
 			serio_close(serio);
 			kfree(atkbd);
@@ -490,6 +496,11 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 		
 		atkbd->set = atkbd_set_3(atkbd);
 
+	} else {
+		atkbd->set = 2;
+		atkbd->id = 0xab00;
+	}
+
 	if (atkbd->set == 4) {
 		atkbd->dev.ledbit[0] |= BIT(LED_COMPOSE) | BIT(LED_SUSPEND) | BIT(LED_SLEEP) | BIT(LED_MUTE);
 		sprintf(atkbd->name, "AT Set 2 Extended keyboard\n");
@@ -518,6 +529,7 @@ static void atkbd_connect(struct serio *serio, struct serio_dev *dev)
 
 	printk(KERN_INFO "input: %s on %s\n", atkbd->name, serio->phys);
 
+	if (serio->write)
 		atkbd_initialize(atkbd);
 }