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authorLinus Torvalds <torvalds@g5.osdl.org>2005-09-11 02:54:41 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-11 02:54:41 +0400
commit7f93220b624de1b7d9fcff8a2cebd6fce7ed4665 (patch)
tree5070ec25635008082b47a646d64b4359896c0faa /drivers/char
parent2b8dfec8c8fa4ba5bc946a602e94e99861462cad (diff)
parentd39969deee4b541be4ee5789a2e4c14511c886e2 (diff)
downloadlinux-7f93220b624de1b7d9fcff8a2cebd6fce7ed4665.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/keyboard.c111
1 files changed, 56 insertions, 55 deletions
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 1745065d8f78..449d029ad4f4 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -14,7 +14,7 @@
* `Sticky' modifier keys, 951006.
*
* 11-11-96: SAK should now work in the raw mode (Martin Mares)
- *
+ *
* Modified to provide 'generic' keyboard support by Hamish Macdonald
* Merge with the m68k keyboard driver and split-off of the PC low-level
* parts by Geert Uytterhoeven, May 1997
@@ -52,7 +52,7 @@ extern void ctrl_alt_del(void);
/*
* Some laptops take the 789uiojklm,. keys as number pad when NumLock is on.
* This seems a good reason to start with NumLock off. On HIL keyboards
- * of PARISC machines however there is no NumLock key and everyone expects the keypad
+ * of PARISC machines however there is no NumLock key and everyone expects the keypad
* to be used for numbers.
*/
@@ -76,17 +76,17 @@ void compute_shiftstate(void);
k_meta, k_ascii, k_lock, k_lowercase,\
k_slock, k_dead2, k_ignore, k_ignore
-typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
+typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value,
char up_flag, struct pt_regs *regs);
static k_handler_fn K_HANDLERS;
static k_handler_fn *k_handler[16] = { K_HANDLERS };
#define FN_HANDLERS\
- fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\
- fn_show_state, fn_send_intr, fn_lastcons, fn_caps_toggle,\
- fn_num, fn_hold, fn_scroll_forw, fn_scroll_back,\
- fn_boot_it, fn_caps_on, fn_compose, fn_SAK,\
- fn_dec_console, fn_inc_console, fn_spawn_con, fn_bare_num
+ fn_null, fn_enter, fn_show_ptregs, fn_show_mem,\
+ fn_show_state, fn_send_intr, fn_lastcons, fn_caps_toggle,\
+ fn_num, fn_hold, fn_scroll_forw, fn_scroll_back,\
+ fn_boot_it, fn_caps_on, fn_compose, fn_SAK,\
+ fn_dec_console, fn_inc_console, fn_spawn_con, fn_bare_num
typedef void (fn_handler_fn)(struct vc_data *vc, struct pt_regs *regs);
static fn_handler_fn FN_HANDLERS;
@@ -159,13 +159,13 @@ static int sysrq_alt;
*/
int getkeycode(unsigned int scancode)
{
- struct list_head * node;
+ struct list_head *node;
struct input_dev *dev = NULL;
- list_for_each(node,&kbd_handler.h_list) {
- struct input_handle * handle = to_handle_h(node);
- if (handle->dev->keycodesize) {
- dev = handle->dev;
+ list_for_each(node, &kbd_handler.h_list) {
+ struct input_handle *handle = to_handle_h(node);
+ if (handle->dev->keycodesize) {
+ dev = handle->dev;
break;
}
}
@@ -181,15 +181,15 @@ int getkeycode(unsigned int scancode)
int setkeycode(unsigned int scancode, unsigned int keycode)
{
- struct list_head * node;
+ struct list_head *node;
struct input_dev *dev = NULL;
unsigned int i, oldkey;
- list_for_each(node,&kbd_handler.h_list) {
+ list_for_each(node, &kbd_handler.h_list) {
struct input_handle *handle = to_handle_h(node);
- if (handle->dev->keycodesize) {
- dev = handle->dev;
- break;
+ if (handle->dev->keycodesize) {
+ dev = handle->dev;
+ break;
}
}
@@ -200,7 +200,7 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
return -EINVAL;
if (keycode < 0 || keycode > KEY_MAX)
return -EINVAL;
- if (keycode >> (dev->keycodesize * 8))
+ if (dev->keycodesize < sizeof(keycode) && (keycode >> (dev->keycodesize * 8)))
return -EINVAL;
oldkey = SET_INPUT_KEYCODE(dev, scancode, keycode);
@@ -216,11 +216,11 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
}
/*
- * Making beeps and bells.
+ * Making beeps and bells.
*/
static void kd_nosound(unsigned long ignored)
{
- struct list_head * node;
+ struct list_head *node;
list_for_each(node,&kbd_handler.h_list) {
struct input_handle *handle = to_handle_h(node);
@@ -237,12 +237,12 @@ static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0);
void kd_mksound(unsigned int hz, unsigned int ticks)
{
- struct list_head * node;
+ struct list_head *node;
del_timer(&kd_mksound_timer);
if (hz) {
- list_for_each_prev(node,&kbd_handler.h_list) {
+ list_for_each_prev(node, &kbd_handler.h_list) {
struct input_handle *handle = to_handle_h(node);
if (test_bit(EV_SND, handle->dev->evbit)) {
if (test_bit(SND_TONE, handle->dev->sndbit)) {
@@ -337,19 +337,19 @@ static void to_utf8(struct vc_data *vc, ushort c)
if (c < 0x80)
/* 0******* */
put_queue(vc, c);
- else if (c < 0x800) {
+ else if (c < 0x800) {
/* 110***** 10****** */
- put_queue(vc, 0xc0 | (c >> 6));
+ put_queue(vc, 0xc0 | (c >> 6));
put_queue(vc, 0x80 | (c & 0x3f));
- } else {
+ } else {
/* 1110**** 10****** 10****** */
put_queue(vc, 0xe0 | (c >> 12));
put_queue(vc, 0x80 | ((c >> 6) & 0x3f));
put_queue(vc, 0x80 | (c & 0x3f));
- }
+ }
}
-/*
+/*
* Called after returning from RAW mode or when changing consoles - recompute
* shift_down[] and shift_state from key_down[] maybe called when keymap is
* undefined, so that shiftkey release is seen
@@ -360,7 +360,7 @@ void compute_shiftstate(void)
shift_state = 0;
memset(shift_down, 0, sizeof(shift_down));
-
+
for (i = 0; i < ARRAY_SIZE(key_down); i++) {
if (!key_down[i])
@@ -499,9 +499,9 @@ static void fn_dec_console(struct vc_data *vc, struct pt_regs *regs)
if (want_console != -1)
cur = want_console;
- for (i = cur-1; i != cur; i--) {
+ for (i = cur - 1; i != cur; i--) {
if (i == -1)
- i = MAX_NR_CONSOLES-1;
+ i = MAX_NR_CONSOLES - 1;
if (vc_cons_allocated(i))
break;
}
@@ -567,9 +567,9 @@ static void fn_compose(struct vc_data *vc, struct pt_regs *regs)
static void fn_spawn_con(struct vc_data *vc, struct pt_regs *regs)
{
- if (spawnpid)
- if(kill_proc(spawnpid, spawnsig, 1))
- spawnpid = 0;
+ if (spawnpid)
+ if (kill_proc(spawnpid, spawnsig, 1))
+ spawnpid = 0;
}
static void fn_SAK(struct vc_data *vc, struct pt_regs *regs)
@@ -603,8 +603,8 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag, struct
return;
if (value >= ARRAY_SIZE(fn_handler))
return;
- if ((kbd->kbdmode == VC_RAW ||
- kbd->kbdmode == VC_MEDIUMRAW) &&
+ if ((kbd->kbdmode == VC_RAW ||
+ kbd->kbdmode == VC_MEDIUMRAW) &&
value != KVAL(K_SAK))
return; /* SAK is allowed even in raw mode */
fn_handler[value](vc, regs);
@@ -894,11 +894,11 @@ static inline unsigned char getleds(void)
static void kbd_bh(unsigned long dummy)
{
- struct list_head * node;
+ struct list_head *node;
unsigned char leds = getleds();
if (leds != ledstate) {
- list_for_each(node,&kbd_handler.h_list) {
+ list_for_each(node, &kbd_handler.h_list) {
struct input_handle * handle = to_handle_h(node);
input_event(handle->dev, EV_LED, LED_SCROLLL, !!(leds & 0x01));
input_event(handle->dev, EV_LED, LED_NUML, !!(leds & 0x02));
@@ -963,11 +963,11 @@ static int sparc_l1_a_state = 0;
extern void sun_do_break(void);
#endif
-static int emulate_raw(struct vc_data *vc, unsigned int keycode,
+static int emulate_raw(struct vc_data *vc, unsigned int keycode,
unsigned char up_flag)
{
if (keycode > 255 || !x86_keycodes[keycode])
- return -1;
+ return -1;
switch (keycode) {
case KEY_PAUSE:
@@ -981,7 +981,7 @@ static int emulate_raw(struct vc_data *vc, unsigned int keycode,
case KEY_HANJA:
if (!up_flag) put_queue(vc, 0xf2);
return 0;
- }
+ }
if (keycode == KEY_SYSRQ && sysrq_alt) {
put_queue(vc, 0x54 | up_flag);
@@ -1104,11 +1104,12 @@ static void kbd_keycode(unsigned int keycode, int down,
else
clear_bit(keycode, key_down);
- if (rep && (!vc_kbd_mode(kbd, VC_REPEAT) || (tty &&
- (!L_ECHO(tty) && tty->driver->chars_in_buffer(tty))))) {
+ if (rep &&
+ (!vc_kbd_mode(kbd, VC_REPEAT) ||
+ (tty && !L_ECHO(tty) && tty->driver->chars_in_buffer(tty)))) {
/*
* Don't repeat a key if the input buffers are not empty and the
- * characters get aren't echoed locally. This makes key repeat
+ * characters get aren't echoed locally. This makes key repeat
* usable with slow applications and under heavy loads.
*/
return;
@@ -1130,7 +1131,8 @@ static void kbd_keycode(unsigned int keycode, int down,
type = KTYP(keysym);
if (type < 0xf0) {
- if (down && !raw_mode) to_utf8(vc, keysym);
+ if (down && !raw_mode)
+ to_utf8(vc, keysym);
return;
}
@@ -1154,7 +1156,7 @@ static void kbd_keycode(unsigned int keycode, int down,
kbd->slockstate = 0;
}
-static void kbd_event(struct input_handle *handle, unsigned int event_type,
+static void kbd_event(struct input_handle *handle, unsigned int event_type,
unsigned int event_code, int value)
{
if (event_type == EV_MSC && event_code == MSC_RAW && HW_RAW(handle->dev))
@@ -1166,15 +1168,13 @@ static void kbd_event(struct input_handle *handle, unsigned int event_type,
schedule_console_callback();
}
-static char kbd_name[] = "kbd";
-
/*
* When a keyboard (or other input device) is found, the kbd_connect
* function is called. The function then looks at the device, and if it
* likes it, it can open it and get events from it. In this (kbd_connect)
* function, we should decide which VT to bind that keyboard to initially.
*/
-static struct input_handle *kbd_connect(struct input_handler *handler,
+static struct input_handle *kbd_connect(struct input_handler *handler,
struct input_dev *dev,
struct input_device_id *id)
{
@@ -1182,18 +1182,19 @@ static struct input_handle *kbd_connect(struct input_handler *handler,
int i;
for (i = KEY_RESERVED; i < BTN_MISC; i++)
- if (test_bit(i, dev->keybit)) break;
+ if (test_bit(i, dev->keybit))
+ break;
- if ((i == BTN_MISC) && !test_bit(EV_SND, dev->evbit))
+ if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
return NULL;
- if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
+ if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
return NULL;
memset(handle, 0, sizeof(struct input_handle));
handle->dev = dev;
handle->handler = handler;
- handle->name = kbd_name;
+ handle->name = "kbd";
input_open_device(handle);
kbd_refresh_leds(handle);
@@ -1212,11 +1213,11 @@ static struct input_device_id kbd_ids[] = {
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
.evbit = { BIT(EV_KEY) },
},
-
+
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT,
.evbit = { BIT(EV_SND) },
- },
+ },
{ }, /* Terminating entry */
};