Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: document some of keycodes Input: add a new EV_SW SW_RADIO event, for radio switches on laptops Input: serio - take drv_mutex in serio_cleanup() Input: atkbd - use printk_ratelimit for spurious ACK messages Input: atkbd - throttle LED switching Input: i8042 - add HP Pavilion ZT1000 to the MUX blacklist
This commit is contained in:
Linus Torvalds
commit
cab8e5c444
4 changed files with 119 additions and 84 deletions
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@ -219,7 +219,8 @@ struct atkbd {
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unsigned long time;
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unsigned long err_count;
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struct work_struct event_work;
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struct delayed_work event_work;
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unsigned long event_jiffies;
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struct mutex event_mutex;
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unsigned long event_mask;
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};
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@ -408,9 +409,10 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
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goto out;
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case ATKBD_RET_ACK:
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case ATKBD_RET_NAK:
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printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
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"Some program might be trying access hardware directly.\n",
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data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
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if (printk_ratelimit())
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printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
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"Some program might be trying access hardware directly.\n",
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data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
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goto out;
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case ATKBD_RET_HANGEUL:
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case ATKBD_RET_HANJA:
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@ -565,7 +567,7 @@ static int atkbd_set_leds(struct atkbd *atkbd)
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static void atkbd_event_work(struct work_struct *work)
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{
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struct atkbd *atkbd = container_of(work, struct atkbd, event_work);
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struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
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mutex_lock(&atkbd->event_mutex);
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@ -578,13 +580,31 @@ static void atkbd_event_work(struct work_struct *work)
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mutex_unlock(&atkbd->event_mutex);
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}
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/*
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* Schedule switch for execution. We need to throttle requests,
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* otherwise keyboard may become unresponsive.
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*/
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static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
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{
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unsigned long delay = msecs_to_jiffies(50);
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if (time_after(jiffies, atkbd->event_jiffies + delay))
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delay = 0;
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atkbd->event_jiffies = jiffies;
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set_bit(event_bit, &atkbd->event_mask);
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wmb();
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schedule_delayed_work(&atkbd->event_work, delay);
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}
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/*
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* Event callback from the input module. Events that change the state of
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* the hardware are processed here. If action can not be performed in
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* interrupt context it is offloaded to atkbd_event_work.
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*/
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static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
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static int atkbd_event(struct input_dev *dev,
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unsigned int type, unsigned int code, int value)
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{
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struct atkbd *atkbd = input_get_drvdata(dev);
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@ -594,19 +614,12 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co
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switch (type) {
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case EV_LED:
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set_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask);
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wmb();
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schedule_work(&atkbd->event_work);
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atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT);
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return 0;
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case EV_REP:
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if (!atkbd->softrepeat) {
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set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask);
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wmb();
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schedule_work(&atkbd->event_work);
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}
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if (!atkbd->softrepeat)
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atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT);
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return 0;
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}
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@ -940,7 +953,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
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atkbd->dev = dev;
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ps2_init(&atkbd->ps2dev, serio);
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INIT_WORK(&atkbd->event_work, atkbd_event_work);
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INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
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mutex_init(&atkbd->event_mutex);
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switch (serio->id.type) {
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@ -199,6 +199,17 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
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DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
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},
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},
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{
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/*
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* Like DV4017EA does not raise AUXERR for errors on MUX ports.
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*/
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.ident = "HP Pavilion ZT1000",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
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DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
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DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
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},
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},
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{
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.ident = "Toshiba P10",
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.matches = {
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@ -769,8 +769,10 @@ static int serio_driver_remove(struct device *dev)
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static void serio_cleanup(struct serio *serio)
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{
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mutex_lock(&serio->drv_mutex);
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if (serio->drv && serio->drv->cleanup)
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serio->drv->cleanup(serio);
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mutex_unlock(&serio->drv_mutex);
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}
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static void serio_shutdown(struct device *dev)
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@ -108,6 +108,13 @@ struct input_absinfo {
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/*
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* Keys and buttons
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*
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* Most of the keys/buttons are modeled after USB HUT 1.12
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* (see http://www.usb.org/developers/hidpage).
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* Abbreviations in the comments:
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* AC - Application Control
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* AL - Application Launch Button
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* SC - System Control
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*/
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#define KEY_RESERVED 0
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@ -226,7 +233,7 @@ struct input_absinfo {
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#define KEY_MUTE 113
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#define KEY_VOLUMEDOWN 114
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#define KEY_VOLUMEUP 115
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#define KEY_POWER 116
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#define KEY_POWER 116 /* SC System Power Down */
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#define KEY_KPEQUAL 117
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#define KEY_KPPLUSMINUS 118
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#define KEY_PAUSE 119
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@ -240,38 +247,39 @@ struct input_absinfo {
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#define KEY_RIGHTMETA 126
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#define KEY_COMPOSE 127
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#define KEY_STOP 128
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#define KEY_STOP 128 /* AC Stop */
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#define KEY_AGAIN 129
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#define KEY_PROPS 130
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#define KEY_UNDO 131
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#define KEY_PROPS 130 /* AC Properties */
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#define KEY_UNDO 131 /* AC Undo */
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#define KEY_FRONT 132
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#define KEY_COPY 133
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#define KEY_OPEN 134
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#define KEY_PASTE 135
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#define KEY_FIND 136
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#define KEY_CUT 137
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#define KEY_HELP 138
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#define KEY_MENU 139
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#define KEY_CALC 140
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#define KEY_COPY 133 /* AC Copy */
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#define KEY_OPEN 134 /* AC Open */
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#define KEY_PASTE 135 /* AC Paste */
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#define KEY_FIND 136 /* AC Search */
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#define KEY_CUT 137 /* AC Cut */
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#define KEY_HELP 138 /* AL Integrated Help Center */
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#define KEY_MENU 139 /* Menu (show menu) */
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#define KEY_CALC 140 /* AL Calculator */
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#define KEY_SETUP 141
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#define KEY_SLEEP 142
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#define KEY_WAKEUP 143
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#define KEY_FILE 144
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#define KEY_SLEEP 142 /* SC System Sleep */
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#define KEY_WAKEUP 143 /* System Wake Up */
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#define KEY_FILE 144 /* AL Local Machine Browser */
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#define KEY_SENDFILE 145
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#define KEY_DELETEFILE 146
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#define KEY_XFER 147
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#define KEY_PROG1 148
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#define KEY_PROG2 149
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#define KEY_WWW 150
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#define KEY_WWW 150 /* AL Internet Browser */
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#define KEY_MSDOS 151
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#define KEY_COFFEE 152
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#define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */
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#define KEY_SCREENLOCK KEY_COFFEE
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#define KEY_DIRECTION 153
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#define KEY_CYCLEWINDOWS 154
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#define KEY_MAIL 155
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#define KEY_BOOKMARKS 156
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#define KEY_BOOKMARKS 156 /* AC Bookmarks */
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#define KEY_COMPUTER 157
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#define KEY_BACK 158
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#define KEY_FORWARD 159
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#define KEY_BACK 158 /* AC Back */
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#define KEY_FORWARD 159 /* AC Forward */
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#define KEY_CLOSECD 160
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#define KEY_EJECTCD 161
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#define KEY_EJECTCLOSECD 162
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@ -281,20 +289,20 @@ struct input_absinfo {
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#define KEY_STOPCD 166
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#define KEY_RECORD 167
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#define KEY_REWIND 168
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#define KEY_PHONE 169
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#define KEY_PHONE 169 /* Media Select Telephone */
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#define KEY_ISO 170
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#define KEY_CONFIG 171
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#define KEY_HOMEPAGE 172
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#define KEY_REFRESH 173
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#define KEY_EXIT 174
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#define KEY_CONFIG 171 /* AL Consumer Control Configuration */
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#define KEY_HOMEPAGE 172 /* AC Home */
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#define KEY_REFRESH 173 /* AC Refresh */
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#define KEY_EXIT 174 /* AC Exit */
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#define KEY_MOVE 175
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#define KEY_EDIT 176
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#define KEY_SCROLLUP 177
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#define KEY_SCROLLDOWN 178
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#define KEY_KPLEFTPAREN 179
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#define KEY_KPRIGHTPAREN 180
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#define KEY_NEW 181
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#define KEY_REDO 182
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#define KEY_NEW 181 /* AC New */
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#define KEY_REDO 182 /* AC Redo/Repeat */
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#define KEY_F13 183
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#define KEY_F14 184
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@ -314,11 +322,11 @@ struct input_absinfo {
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#define KEY_PROG3 202
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#define KEY_PROG4 203
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#define KEY_SUSPEND 205
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#define KEY_CLOSE 206
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#define KEY_CLOSE 206 /* AC Close */
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#define KEY_PLAY 207
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#define KEY_FASTFORWARD 208
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#define KEY_BASSBOOST 209
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#define KEY_PRINT 210
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#define KEY_PRINT 210 /* AC Print */
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#define KEY_HP 211
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#define KEY_CAMERA 212
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#define KEY_SOUND 213
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@ -327,11 +335,11 @@ struct input_absinfo {
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#define KEY_CHAT 216
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#define KEY_SEARCH 217
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#define KEY_CONNECT 218
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#define KEY_FINANCE 219
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#define KEY_FINANCE 219 /* AL Checkbook/Finance */
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#define KEY_SPORT 220
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#define KEY_SHOP 221
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#define KEY_ALTERASE 222
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#define KEY_CANCEL 223
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#define KEY_CANCEL 223 /* AC Cancel */
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#define KEY_BRIGHTNESSDOWN 224
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#define KEY_BRIGHTNESSUP 225
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#define KEY_MEDIA 226
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@ -341,10 +349,10 @@ struct input_absinfo {
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#define KEY_KBDILLUMDOWN 229
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#define KEY_KBDILLUMUP 230
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#define KEY_SEND 231
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#define KEY_REPLY 232
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#define KEY_FORWARDMAIL 233
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#define KEY_SAVE 234
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#define KEY_SEND 231 /* AC Send */
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#define KEY_REPLY 232 /* AC Reply */
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#define KEY_FORWARDMAIL 233 /* AC Forward Msg */
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#define KEY_SAVE 234 /* AC Save */
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#define KEY_DOCUMENTS 235
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#define KEY_BATTERY 236
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@ -433,15 +441,15 @@ struct input_absinfo {
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#define KEY_CLEAR 0x163
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#define KEY_POWER2 0x164
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#define KEY_OPTION 0x165
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#define KEY_INFO 0x166
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#define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */
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#define KEY_TIME 0x167
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#define KEY_VENDOR 0x168
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#define KEY_ARCHIVE 0x169
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#define KEY_PROGRAM 0x16a
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#define KEY_PROGRAM 0x16a /* Media Select Program Guide */
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#define KEY_CHANNEL 0x16b
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#define KEY_FAVORITES 0x16c
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#define KEY_EPG 0x16d
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#define KEY_PVR 0x16e
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#define KEY_PVR 0x16e /* Media Select Home */
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#define KEY_MHP 0x16f
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#define KEY_LANGUAGE 0x170
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#define KEY_TITLE 0x171
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@ -451,36 +459,36 @@ struct input_absinfo {
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#define KEY_MODE 0x175
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#define KEY_KEYBOARD 0x176
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#define KEY_SCREEN 0x177
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#define KEY_PC 0x178
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#define KEY_TV 0x179
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#define KEY_TV2 0x17a
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#define KEY_VCR 0x17b
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#define KEY_VCR2 0x17c
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#define KEY_SAT 0x17d
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#define KEY_PC 0x178 /* Media Select Computer */
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#define KEY_TV 0x179 /* Media Select TV */
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#define KEY_TV2 0x17a /* Media Select Cable */
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#define KEY_VCR 0x17b /* Media Select VCR */
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#define KEY_VCR2 0x17c /* VCR Plus */
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#define KEY_SAT 0x17d /* Media Select Satellite */
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#define KEY_SAT2 0x17e
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#define KEY_CD 0x17f
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#define KEY_TAPE 0x180
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#define KEY_CD 0x17f /* Media Select CD */
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#define KEY_TAPE 0x180 /* Media Select Tape */
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#define KEY_RADIO 0x181
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#define KEY_TUNER 0x182
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#define KEY_TUNER 0x182 /* Media Select Tuner */
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#define KEY_PLAYER 0x183
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#define KEY_TEXT 0x184
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#define KEY_DVD 0x185
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#define KEY_DVD 0x185 /* Media Select DVD */
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#define KEY_AUX 0x186
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#define KEY_MP3 0x187
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#define KEY_AUDIO 0x188
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#define KEY_VIDEO 0x189
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#define KEY_DIRECTORY 0x18a
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#define KEY_LIST 0x18b
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#define KEY_MEMO 0x18c
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#define KEY_MEMO 0x18c /* Media Select Messages */
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#define KEY_CALENDAR 0x18d
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#define KEY_RED 0x18e
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#define KEY_GREEN 0x18f
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#define KEY_YELLOW 0x190
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#define KEY_BLUE 0x191
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#define KEY_CHANNELUP 0x192
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#define KEY_CHANNELDOWN 0x193
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#define KEY_CHANNELUP 0x192 /* Channel Increment */
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#define KEY_CHANNELDOWN 0x193 /* Channel Decrement */
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#define KEY_FIRST 0x194
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#define KEY_LAST 0x195
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#define KEY_LAST 0x195 /* Recall Last */
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#define KEY_AB 0x196
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#define KEY_NEXT 0x197
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#define KEY_RESTART 0x198
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@ -491,21 +499,21 @@ struct input_absinfo {
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#define KEY_DIGITS 0x19d
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#define KEY_TEEN 0x19e
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#define KEY_TWEN 0x19f
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#define KEY_VIDEOPHONE 0x1a0
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#define KEY_GAMES 0x1a1
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#define KEY_ZOOMIN 0x1a2
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#define KEY_ZOOMOUT 0x1a3
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#define KEY_ZOOMRESET 0x1a4
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#define KEY_WORDPROCESSOR 0x1a5
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#define KEY_EDITOR 0x1a6
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#define KEY_SPREADSHEET 0x1a7
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#define KEY_GRAPHICSEDITOR 0x1a8
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#define KEY_PRESENTATION 0x1a9
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#define KEY_DATABASE 0x1aa
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#define KEY_NEWS 0x1ab
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#define KEY_VOICEMAIL 0x1ac
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#define KEY_ADDRESSBOOK 0x1ad
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#define KEY_MESSENGER 0x1ae
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#define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */
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#define KEY_GAMES 0x1a1 /* Media Select Games */
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#define KEY_ZOOMIN 0x1a2 /* AC Zoom In */
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#define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */
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#define KEY_ZOOMRESET 0x1a4 /* AC Zoom */
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#define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */
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#define KEY_EDITOR 0x1a6 /* AL Text Editor */
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#define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */
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#define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */
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#define KEY_PRESENTATION 0x1a9 /* AL Presentation App */
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#define KEY_DATABASE 0x1aa /* AL Database App */
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#define KEY_NEWS 0x1ab /* AL Newsreader */
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#define KEY_VOICEMAIL 0x1ac /* AL Voicemail */
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#define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */
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#define KEY_MESSENGER 0x1ae /* AL Instant Messaging */
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#define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */
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#define KEY_DEL_EOL 0x1c0
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@ -603,6 +611,7 @@ struct input_absinfo {
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#define SW_LID 0x00 /* set = lid shut */
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#define SW_TABLET_MODE 0x01 /* set = tablet mode */
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#define SW_HEADPHONE_INSERT 0x02 /* set = inserted */
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#define SW_RADIO 0x03 /* set = radio enabled */
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#define SW_MAX 0x0f
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/*
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