diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index be1fe46cd3082d5c46968dc8d878f84a427ffe4b..9950fcb33650a6ef015fe3343e527249df47f58f 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -219,7 +219,8 @@ struct atkbd { unsigned long time; unsigned long err_count; - struct work_struct event_work; + struct delayed_work event_work; + unsigned long event_jiffies; struct mutex event_mutex; unsigned long event_mask; }; @@ -408,9 +409,10 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, goto out; case ATKBD_RET_ACK: case ATKBD_RET_NAK: - printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " - "Some program might be trying access hardware directly.\n", - data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); + if (printk_ratelimit()) + printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " + "Some program might be trying access hardware directly.\n", + data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); goto out; case ATKBD_RET_HANGEUL: case ATKBD_RET_HANJA: @@ -565,7 +567,7 @@ static int atkbd_set_leds(struct atkbd *atkbd) static void atkbd_event_work(struct work_struct *work) { - struct atkbd *atkbd = container_of(work, struct atkbd, event_work); + struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work); mutex_lock(&atkbd->event_mutex); @@ -578,13 +580,31 @@ static void atkbd_event_work(struct work_struct *work) mutex_unlock(&atkbd->event_mutex); } +/* + * Schedule switch for execution. We need to throttle requests, + * otherwise keyboard may become unresponsive. + */ +static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit) +{ + unsigned long delay = msecs_to_jiffies(50); + + if (time_after(jiffies, atkbd->event_jiffies + delay)) + delay = 0; + + atkbd->event_jiffies = jiffies; + set_bit(event_bit, &atkbd->event_mask); + wmb(); + schedule_delayed_work(&atkbd->event_work, delay); +} + /* * Event callback from the input module. Events that change the state of * the hardware are processed here. If action can not be performed in * interrupt context it is offloaded to atkbd_event_work. */ -static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) +static int atkbd_event(struct input_dev *dev, + unsigned int type, unsigned int code, int value) { struct atkbd *atkbd = input_get_drvdata(dev); @@ -594,19 +614,12 @@ static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int co switch (type) { case EV_LED: - set_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask); - wmb(); - schedule_work(&atkbd->event_work); + atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT); return 0; case EV_REP: - - if (!atkbd->softrepeat) { - set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask); - wmb(); - schedule_work(&atkbd->event_work); - } - + if (!atkbd->softrepeat) + atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT); return 0; } @@ -940,7 +953,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv) atkbd->dev = dev; ps2_init(&atkbd->ps2dev, serio); - INIT_WORK(&atkbd->event_work, atkbd_event_work); + INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work); mutex_init(&atkbd->event_mutex); switch (serio->id.type) { diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index f4a2517925e4c3746b0beecd984ef906edc1ac3c..4fca1e7f26781e1ce874f98f0cf5941a483c0ae3 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -199,6 +199,17 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"), }, }, + { + /* + * Like DV4017EA does not raise AUXERR for errors on MUX ports. + */ + .ident = "HP Pavilion ZT1000", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"), + DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"), + }, + }, { .ident = "Toshiba P10", .matches = { diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 5895202b972c01ef1f85cda6a42585759fef65d9..a8f3bc1dff221ed00e0e2e513b0978a32f4a2779 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -769,8 +769,10 @@ static int serio_driver_remove(struct device *dev) static void serio_cleanup(struct serio *serio) { + mutex_lock(&serio->drv_mutex); if (serio->drv && serio->drv->cleanup) serio->drv->cleanup(serio); + mutex_unlock(&serio->drv_mutex); } static void serio_shutdown(struct device *dev) diff --git a/include/linux/input.h b/include/linux/input.h index be2bf3a2b0313aaa3293855ca69680d655168f47..d8521c72f69f9ff4aad1fc97223cd6dbadd5923d 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -108,6 +108,13 @@ struct input_absinfo { /* * Keys and buttons + * + * Most of the keys/buttons are modeled after USB HUT 1.12 + * (see http://www.usb.org/developers/hidpage). + * Abbreviations in the comments: + * AC - Application Control + * AL - Application Launch Button + * SC - System Control */ #define KEY_RESERVED 0 @@ -226,7 +233,7 @@ struct input_absinfo { #define KEY_MUTE 113 #define KEY_VOLUMEDOWN 114 #define KEY_VOLUMEUP 115 -#define KEY_POWER 116 +#define KEY_POWER 116 /* SC System Power Down */ #define KEY_KPEQUAL 117 #define KEY_KPPLUSMINUS 118 #define KEY_PAUSE 119 @@ -240,38 +247,39 @@ struct input_absinfo { #define KEY_RIGHTMETA 126 #define KEY_COMPOSE 127 -#define KEY_STOP 128 +#define KEY_STOP 128 /* AC Stop */ #define KEY_AGAIN 129 -#define KEY_PROPS 130 -#define KEY_UNDO 131 +#define KEY_PROPS 130 /* AC Properties */ +#define KEY_UNDO 131 /* AC Undo */ #define KEY_FRONT 132 -#define KEY_COPY 133 -#define KEY_OPEN 134 -#define KEY_PASTE 135 -#define KEY_FIND 136 -#define KEY_CUT 137 -#define KEY_HELP 138 -#define KEY_MENU 139 -#define KEY_CALC 140 +#define KEY_COPY 133 /* AC Copy */ +#define KEY_OPEN 134 /* AC Open */ +#define KEY_PASTE 135 /* AC Paste */ +#define KEY_FIND 136 /* AC Search */ +#define KEY_CUT 137 /* AC Cut */ +#define KEY_HELP 138 /* AL Integrated Help Center */ +#define KEY_MENU 139 /* Menu (show menu) */ +#define KEY_CALC 140 /* AL Calculator */ #define KEY_SETUP 141 -#define KEY_SLEEP 142 -#define KEY_WAKEUP 143 -#define KEY_FILE 144 +#define KEY_SLEEP 142 /* SC System Sleep */ +#define KEY_WAKEUP 143 /* System Wake Up */ +#define KEY_FILE 144 /* AL Local Machine Browser */ #define KEY_SENDFILE 145 #define KEY_DELETEFILE 146 #define KEY_XFER 147 #define KEY_PROG1 148 #define KEY_PROG2 149 -#define KEY_WWW 150 +#define KEY_WWW 150 /* AL Internet Browser */ #define KEY_MSDOS 151 -#define KEY_COFFEE 152 +#define KEY_COFFEE 152 /* AL Terminal Lock/Screensaver */ +#define KEY_SCREENLOCK KEY_COFFEE #define KEY_DIRECTION 153 #define KEY_CYCLEWINDOWS 154 #define KEY_MAIL 155 -#define KEY_BOOKMARKS 156 +#define KEY_BOOKMARKS 156 /* AC Bookmarks */ #define KEY_COMPUTER 157 -#define KEY_BACK 158 -#define KEY_FORWARD 159 +#define KEY_BACK 158 /* AC Back */ +#define KEY_FORWARD 159 /* AC Forward */ #define KEY_CLOSECD 160 #define KEY_EJECTCD 161 #define KEY_EJECTCLOSECD 162 @@ -281,20 +289,20 @@ struct input_absinfo { #define KEY_STOPCD 166 #define KEY_RECORD 167 #define KEY_REWIND 168 -#define KEY_PHONE 169 +#define KEY_PHONE 169 /* Media Select Telephone */ #define KEY_ISO 170 -#define KEY_CONFIG 171 -#define KEY_HOMEPAGE 172 -#define KEY_REFRESH 173 -#define KEY_EXIT 174 +#define KEY_CONFIG 171 /* AL Consumer Control Configuration */ +#define KEY_HOMEPAGE 172 /* AC Home */ +#define KEY_REFRESH 173 /* AC Refresh */ +#define KEY_EXIT 174 /* AC Exit */ #define KEY_MOVE 175 #define KEY_EDIT 176 #define KEY_SCROLLUP 177 #define KEY_SCROLLDOWN 178 #define KEY_KPLEFTPAREN 179 #define KEY_KPRIGHTPAREN 180 -#define KEY_NEW 181 -#define KEY_REDO 182 +#define KEY_NEW 181 /* AC New */ +#define KEY_REDO 182 /* AC Redo/Repeat */ #define KEY_F13 183 #define KEY_F14 184 @@ -314,11 +322,11 @@ struct input_absinfo { #define KEY_PROG3 202 #define KEY_PROG4 203 #define KEY_SUSPEND 205 -#define KEY_CLOSE 206 +#define KEY_CLOSE 206 /* AC Close */ #define KEY_PLAY 207 #define KEY_FASTFORWARD 208 #define KEY_BASSBOOST 209 -#define KEY_PRINT 210 +#define KEY_PRINT 210 /* AC Print */ #define KEY_HP 211 #define KEY_CAMERA 212 #define KEY_SOUND 213 @@ -327,11 +335,11 @@ struct input_absinfo { #define KEY_CHAT 216 #define KEY_SEARCH 217 #define KEY_CONNECT 218 -#define KEY_FINANCE 219 +#define KEY_FINANCE 219 /* AL Checkbook/Finance */ #define KEY_SPORT 220 #define KEY_SHOP 221 #define KEY_ALTERASE 222 -#define KEY_CANCEL 223 +#define KEY_CANCEL 223 /* AC Cancel */ #define KEY_BRIGHTNESSDOWN 224 #define KEY_BRIGHTNESSUP 225 #define KEY_MEDIA 226 @@ -341,10 +349,10 @@ struct input_absinfo { #define KEY_KBDILLUMDOWN 229 #define KEY_KBDILLUMUP 230 -#define KEY_SEND 231 -#define KEY_REPLY 232 -#define KEY_FORWARDMAIL 233 -#define KEY_SAVE 234 +#define KEY_SEND 231 /* AC Send */ +#define KEY_REPLY 232 /* AC Reply */ +#define KEY_FORWARDMAIL 233 /* AC Forward Msg */ +#define KEY_SAVE 234 /* AC Save */ #define KEY_DOCUMENTS 235 #define KEY_BATTERY 236 @@ -433,15 +441,15 @@ struct input_absinfo { #define KEY_CLEAR 0x163 #define KEY_POWER2 0x164 #define KEY_OPTION 0x165 -#define KEY_INFO 0x166 +#define KEY_INFO 0x166 /* AL OEM Features/Tips/Tutorial */ #define KEY_TIME 0x167 #define KEY_VENDOR 0x168 #define KEY_ARCHIVE 0x169 -#define KEY_PROGRAM 0x16a +#define KEY_PROGRAM 0x16a /* Media Select Program Guide */ #define KEY_CHANNEL 0x16b #define KEY_FAVORITES 0x16c #define KEY_EPG 0x16d -#define KEY_PVR 0x16e +#define KEY_PVR 0x16e /* Media Select Home */ #define KEY_MHP 0x16f #define KEY_LANGUAGE 0x170 #define KEY_TITLE 0x171 @@ -451,36 +459,36 @@ struct input_absinfo { #define KEY_MODE 0x175 #define KEY_KEYBOARD 0x176 #define KEY_SCREEN 0x177 -#define KEY_PC 0x178 -#define KEY_TV 0x179 -#define KEY_TV2 0x17a -#define KEY_VCR 0x17b -#define KEY_VCR2 0x17c -#define KEY_SAT 0x17d +#define KEY_PC 0x178 /* Media Select Computer */ +#define KEY_TV 0x179 /* Media Select TV */ +#define KEY_TV2 0x17a /* Media Select Cable */ +#define KEY_VCR 0x17b /* Media Select VCR */ +#define KEY_VCR2 0x17c /* VCR Plus */ +#define KEY_SAT 0x17d /* Media Select Satellite */ #define KEY_SAT2 0x17e -#define KEY_CD 0x17f -#define KEY_TAPE 0x180 +#define KEY_CD 0x17f /* Media Select CD */ +#define KEY_TAPE 0x180 /* Media Select Tape */ #define KEY_RADIO 0x181 -#define KEY_TUNER 0x182 +#define KEY_TUNER 0x182 /* Media Select Tuner */ #define KEY_PLAYER 0x183 #define KEY_TEXT 0x184 -#define KEY_DVD 0x185 +#define KEY_DVD 0x185 /* Media Select DVD */ #define KEY_AUX 0x186 #define KEY_MP3 0x187 #define KEY_AUDIO 0x188 #define KEY_VIDEO 0x189 #define KEY_DIRECTORY 0x18a #define KEY_LIST 0x18b -#define KEY_MEMO 0x18c +#define KEY_MEMO 0x18c /* Media Select Messages */ #define KEY_CALENDAR 0x18d #define KEY_RED 0x18e #define KEY_GREEN 0x18f #define KEY_YELLOW 0x190 #define KEY_BLUE 0x191 -#define KEY_CHANNELUP 0x192 -#define KEY_CHANNELDOWN 0x193 +#define KEY_CHANNELUP 0x192 /* Channel Increment */ +#define KEY_CHANNELDOWN 0x193 /* Channel Decrement */ #define KEY_FIRST 0x194 -#define KEY_LAST 0x195 +#define KEY_LAST 0x195 /* Recall Last */ #define KEY_AB 0x196 #define KEY_NEXT 0x197 #define KEY_RESTART 0x198 @@ -491,21 +499,21 @@ struct input_absinfo { #define KEY_DIGITS 0x19d #define KEY_TEEN 0x19e #define KEY_TWEN 0x19f -#define KEY_VIDEOPHONE 0x1a0 -#define KEY_GAMES 0x1a1 -#define KEY_ZOOMIN 0x1a2 -#define KEY_ZOOMOUT 0x1a3 -#define KEY_ZOOMRESET 0x1a4 -#define KEY_WORDPROCESSOR 0x1a5 -#define KEY_EDITOR 0x1a6 -#define KEY_SPREADSHEET 0x1a7 -#define KEY_GRAPHICSEDITOR 0x1a8 -#define KEY_PRESENTATION 0x1a9 -#define KEY_DATABASE 0x1aa -#define KEY_NEWS 0x1ab -#define KEY_VOICEMAIL 0x1ac -#define KEY_ADDRESSBOOK 0x1ad -#define KEY_MESSENGER 0x1ae +#define KEY_VIDEOPHONE 0x1a0 /* Media Select Video Phone */ +#define KEY_GAMES 0x1a1 /* Media Select Games */ +#define KEY_ZOOMIN 0x1a2 /* AC Zoom In */ +#define KEY_ZOOMOUT 0x1a3 /* AC Zoom Out */ +#define KEY_ZOOMRESET 0x1a4 /* AC Zoom */ +#define KEY_WORDPROCESSOR 0x1a5 /* AL Word Processor */ +#define KEY_EDITOR 0x1a6 /* AL Text Editor */ +#define KEY_SPREADSHEET 0x1a7 /* AL Spreadsheet */ +#define KEY_GRAPHICSEDITOR 0x1a8 /* AL Graphics Editor */ +#define KEY_PRESENTATION 0x1a9 /* AL Presentation App */ +#define KEY_DATABASE 0x1aa /* AL Database App */ +#define KEY_NEWS 0x1ab /* AL Newsreader */ +#define KEY_VOICEMAIL 0x1ac /* AL Voicemail */ +#define KEY_ADDRESSBOOK 0x1ad /* AL Contacts/Address Book */ +#define KEY_MESSENGER 0x1ae /* AL Instant Messaging */ #define KEY_DISPLAYTOGGLE 0x1af /* Turn display (LCD) on and off */ #define KEY_DEL_EOL 0x1c0 @@ -603,6 +611,7 @@ struct input_absinfo { #define SW_LID 0x00 /* set = lid shut */ #define SW_TABLET_MODE 0x01 /* set = tablet mode */ #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */ +#define SW_RADIO 0x03 /* set = radio enabled */ #define SW_MAX 0x0f /*