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authorRichard Purdie <rpurdie@rpsys.net>2005-09-13 04:25:35 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-13 11:22:31 -0400
commitfff71312e7227c6850f367ff9c72f96d5b33b1d0 (patch)
treee8a1c7b129d8120832a93f0887ce8c51c5ece809 /drivers/input/keyboard/spitzkbd.c
parent0dd28f1dd83a0e49b75d5171477bc56158681411 (diff)
[PATCH] SharpSL: Add an input keyboard driver for Zaurus cxx00 series
Add a input driver for the keyboard found on the Zaurus Cxx00 series (Spitz, Akita, Borzoi). Its based on corgikbd but there are enough subtle differences to justify a separate driver. Signed-Off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Vojtech Pavlik <vojtech@suse.cz> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/input/keyboard/spitzkbd.c')
-rw-r--r--drivers/input/keyboard/spitzkbd.c478
1 files changed, 478 insertions, 0 deletions
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
new file mode 100644
index 000000000000..1714045a182b
--- /dev/null
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -0,0 +1,478 @@
1/*
2 * Keyboard driver for Sharp Spitz, Borzoi and Akita (SL-Cxx00 series)
3 *
4 * Copyright (c) 2005 Richard Purdie
5 *
6 * Based on corgikbd.c
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#include <linux/delay.h>
15#include <linux/device.h>
16#include <linux/init.h>
17#include <linux/input.h>
18#include <linux/interrupt.h>
19#include <linux/jiffies.h>
20#include <linux/module.h>
21#include <linux/slab.h>
22#include <asm/irq.h>
23
24#include <asm/arch/spitz.h>
25#include <asm/arch/hardware.h>
26#include <asm/arch/pxa-regs.h>
27
28#define KB_ROWS 7
29#define KB_COLS 11
30#define KB_ROWMASK(r) (1 << (r))
31#define SCANCODE(r,c) (((r)<<4) + (c) + 1)
32#define NR_SCANCODES ((KB_ROWS<<4) + 1)
33
34#define HINGE_SCAN_INTERVAL (150) /* ms */
35
36#define SPITZ_KEY_CALENDER KEY_F1
37#define SPITZ_KEY_ADDRESS KEY_F2
38#define SPITZ_KEY_FN KEY_F3
39#define SPITZ_KEY_CANCEL KEY_F4
40#define SPITZ_KEY_EXOK KEY_F5
41#define SPITZ_KEY_EXCANCEL KEY_F6
42#define SPITZ_KEY_EXJOGDOWN KEY_F7
43#define SPITZ_KEY_EXJOGUP KEY_F8
44#define SPITZ_KEY_JAP1 KEY_LEFTALT
45#define SPITZ_KEY_JAP2 KEY_RIGHTCTRL
46#define SPITZ_KEY_SYNC KEY_F9
47#define SPITZ_KEY_MAIL KEY_F10
48#define SPITZ_KEY_OK KEY_F11
49#define SPITZ_KEY_MENU KEY_F12
50
51static unsigned char spitzkbd_keycode[NR_SCANCODES] = {
52 0, /* 0 */
53 KEY_LEFTCTRL, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, SPITZ_KEY_EXOK, SPITZ_KEY_EXCANCEL, 0, 0, 0, 0, 0, /* 1-16 */
54 0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, SPITZ_KEY_EXJOGDOWN, SPITZ_KEY_EXJOGUP, 0, 0, 0, 0, 0, /* 17-32 */
55 KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0, /* 33-48 */
56 SPITZ_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, /* 49-64 */
57 SPITZ_KEY_ADDRESS, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, /* 65-80 */
58 SPITZ_KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, SPITZ_KEY_FN, 0, 0, 0, 0, 0, /* 81-96 */
59 KEY_SYSRQ, SPITZ_KEY_JAP1, SPITZ_KEY_JAP2, SPITZ_KEY_CANCEL, SPITZ_KEY_OK, SPITZ_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0 /* 97-112 */
60};
61
62static int spitz_strobes[] = {
63 SPITZ_GPIO_KEY_STROBE0,
64 SPITZ_GPIO_KEY_STROBE1,
65 SPITZ_GPIO_KEY_STROBE2,
66 SPITZ_GPIO_KEY_STROBE3,
67 SPITZ_GPIO_KEY_STROBE4,
68 SPITZ_GPIO_KEY_STROBE5,
69 SPITZ_GPIO_KEY_STROBE6,
70 SPITZ_GPIO_KEY_STROBE7,
71 SPITZ_GPIO_KEY_STROBE8,
72 SPITZ_GPIO_KEY_STROBE9,
73 SPITZ_GPIO_KEY_STROBE10,
74};
75
76static int spitz_senses[] = {
77 SPITZ_GPIO_KEY_SENSE0,
78 SPITZ_GPIO_KEY_SENSE1,
79 SPITZ_GPIO_KEY_SENSE2,
80 SPITZ_GPIO_KEY_SENSE3,
81 SPITZ_GPIO_KEY_SENSE4,
82 SPITZ_GPIO_KEY_SENSE5,
83 SPITZ_GPIO_KEY_SENSE6,
84};
85
86struct spitzkbd {
87 unsigned char keycode[ARRAY_SIZE(spitzkbd_keycode)];
88 struct input_dev input;
89 char phys[32];
90
91 spinlock_t lock;
92 struct timer_list timer;
93 struct timer_list htimer;
94
95 unsigned int suspended;
96 unsigned long suspend_jiffies;
97};
98
99#define KB_DISCHARGE_DELAY 10
100#define KB_ACTIVATE_DELAY 10
101
102/* Helper functions for reading the keyboard matrix
103 * Note: We should really be using pxa_gpio_mode to alter GPDR but it
104 * requires a function call per GPIO bit which is excessive
105 * when we need to access 11 bits at once, multiple times.
106 * These functions must be called within local_irq_save()/local_irq_restore()
107 * or similar.
108 */
109static inline void spitzkbd_discharge_all(void)
110{
111 /* STROBE All HiZ */
112 GPCR0 = SPITZ_GPIO_G0_STROBE_BIT;
113 GPDR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
114 GPCR1 = SPITZ_GPIO_G1_STROBE_BIT;
115 GPDR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
116 GPCR2 = SPITZ_GPIO_G2_STROBE_BIT;
117 GPDR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
118 GPCR3 = SPITZ_GPIO_G3_STROBE_BIT;
119 GPDR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
120}
121
122static inline void spitzkbd_activate_all(void)
123{
124 /* STROBE ALL -> High */
125 GPSR0 = SPITZ_GPIO_G0_STROBE_BIT;
126 GPDR0 |= SPITZ_GPIO_G0_STROBE_BIT;
127 GPSR1 = SPITZ_GPIO_G1_STROBE_BIT;
128 GPDR1 |= SPITZ_GPIO_G1_STROBE_BIT;
129 GPSR2 = SPITZ_GPIO_G2_STROBE_BIT;
130 GPDR2 |= SPITZ_GPIO_G2_STROBE_BIT;
131 GPSR3 = SPITZ_GPIO_G3_STROBE_BIT;
132 GPDR3 |= SPITZ_GPIO_G3_STROBE_BIT;
133
134 udelay(KB_DISCHARGE_DELAY);
135
136 /* Clear any interrupts we may have triggered when altering the GPIO lines */
137 GEDR0 = SPITZ_GPIO_G0_SENSE_BIT;
138 GEDR1 = SPITZ_GPIO_G1_SENSE_BIT;
139 GEDR2 = SPITZ_GPIO_G2_SENSE_BIT;
140 GEDR3 = SPITZ_GPIO_G3_SENSE_BIT;
141}
142
143static inline void spitzkbd_activate_col(int col)
144{
145 int gpio = spitz_strobes[col];
146 GPDR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
147 GPDR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
148 GPDR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
149 GPDR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
150 GPSR(gpio) = GPIO_bit(gpio);
151 GPDR(gpio) |= GPIO_bit(gpio);
152}
153
154static inline void spitzkbd_reset_col(int col)
155{
156 int gpio = spitz_strobes[col];
157 GPDR0 &= ~SPITZ_GPIO_G0_STROBE_BIT;
158 GPDR1 &= ~SPITZ_GPIO_G1_STROBE_BIT;
159 GPDR2 &= ~SPITZ_GPIO_G2_STROBE_BIT;
160 GPDR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
161 GPCR(gpio) = GPIO_bit(gpio);
162 GPDR(gpio) |= GPIO_bit(gpio);
163}
164
165static inline int spitzkbd_get_row_status(int col)
166{
167 return ((GPLR0 >> 12) & 0x01) | ((GPLR0 >> 16) & 0x02)
168 | ((GPLR2 >> 25) & 0x04) | ((GPLR1 << 1) & 0x08)
169 | ((GPLR1 >> 0) & 0x10) | ((GPLR1 >> 1) & 0x60);
170}
171
172/*
173 * The spitz keyboard only generates interrupts when a key is pressed.
174 * When a key is pressed, we enable a timer which then scans the
175 * keyboard to detect when the key is released.
176 */
177
178/* Scan the hardware keyboard and push any changes up through the input layer */
179static void spitzkbd_scankeyboard(struct spitzkbd *spitzkbd_data, struct pt_regs *regs)
180{
181 unsigned int row, col, rowd;
182 unsigned long flags;
183 unsigned int num_pressed, pwrkey = ((GPLR(SPITZ_GPIO_ON_KEY) & GPIO_bit(SPITZ_GPIO_ON_KEY)) != 0);
184
185 if (spitzkbd_data->suspended)
186 return;
187
188 spin_lock_irqsave(&spitzkbd_data->lock, flags);
189
190 if (regs)
191 input_regs(&spitzkbd_data->input, regs);
192
193 num_pressed = 0;
194 for (col = 0; col < KB_COLS; col++) {
195 /*
196 * Discharge the output driver capacitatance
197 * in the keyboard matrix. (Yes it is significant..)
198 */
199
200 spitzkbd_discharge_all();
201 udelay(KB_DISCHARGE_DELAY);
202
203 spitzkbd_activate_col(col);
204 udelay(KB_ACTIVATE_DELAY);
205
206 rowd = spitzkbd_get_row_status(col);
207 for (row = 0; row < KB_ROWS; row++) {
208 unsigned int scancode, pressed;
209
210 scancode = SCANCODE(row, col);
211 pressed = rowd & KB_ROWMASK(row);
212
213 input_report_key(&spitzkbd_data->input, spitzkbd_data->keycode[scancode], pressed);
214
215 if (pressed)
216 num_pressed++;
217 }
218 spitzkbd_reset_col(col);
219 }
220
221 spitzkbd_activate_all();
222
223 input_report_key(&spitzkbd_data->input, SPITZ_KEY_SYNC, (GPLR(SPITZ_GPIO_SYNC) & GPIO_bit(SPITZ_GPIO_SYNC)) != 0 );
224 input_report_key(&spitzkbd_data->input, KEY_SUSPEND, pwrkey);
225
226 if (pwrkey && time_after(jiffies, spitzkbd_data->suspend_jiffies + msecs_to_jiffies(1000))) {
227 input_event(&spitzkbd_data->input, EV_PWR, KEY_SUSPEND, 1);
228 spitzkbd_data->suspend_jiffies = jiffies;
229 }
230
231 input_sync(&spitzkbd_data->input);
232
233 /* if any keys are pressed, enable the timer */
234 if (num_pressed)
235 mod_timer(&spitzkbd_data->timer, jiffies + msecs_to_jiffies(100));
236
237 spin_unlock_irqrestore(&spitzkbd_data->lock, flags);
238}
239
240/*
241 * spitz keyboard interrupt handler.
242 */
243static irqreturn_t spitzkbd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
244{
245 struct spitzkbd *spitzkbd_data = dev_id;
246
247 if (!timer_pending(&spitzkbd_data->timer)) {
248 /** wait chattering delay **/
249 udelay(20);
250 spitzkbd_scankeyboard(spitzkbd_data, regs);
251 }
252
253 return IRQ_HANDLED;
254}
255
256/*
257 * spitz timer checking for released keys
258 */
259static void spitzkbd_timer_callback(unsigned long data)
260{
261 struct spitzkbd *spitzkbd_data = (struct spitzkbd *) data;
262 spitzkbd_scankeyboard(spitzkbd_data, NULL);
263}
264
265/*
266 * The hinge switches generate an interrupt.
267 * We debounce the switches and pass them to the input system.
268 */
269
270static irqreturn_t spitzkbd_hinge_isr(int irq, void *dev_id, struct pt_regs *regs)
271{
272 struct spitzkbd *spitzkbd_data = dev_id;
273
274 if (!timer_pending(&spitzkbd_data->htimer))
275 mod_timer(&spitzkbd_data->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
276
277 return IRQ_HANDLED;
278}
279
280#define HINGE_STABLE_COUNT 2
281static int sharpsl_hinge_state;
282static int hinge_count;
283
284static void spitzkbd_hinge_timer(unsigned long data)
285{
286 struct spitzkbd *spitzkbd_data = (struct spitzkbd *) data;
287 unsigned long state;
288 unsigned long flags;
289
290 state = GPLR(SPITZ_GPIO_SWA) & (GPIO_bit(SPITZ_GPIO_SWA)|GPIO_bit(SPITZ_GPIO_SWB));
291 if (state != sharpsl_hinge_state) {
292 hinge_count = 0;
293 sharpsl_hinge_state = state;
294 } else if (hinge_count < HINGE_STABLE_COUNT) {
295 hinge_count++;
296 }
297
298 if (hinge_count >= HINGE_STABLE_COUNT) {
299 spin_lock_irqsave(&spitzkbd_data->lock, flags);
300
301 input_report_switch(&spitzkbd_data->input, SW_0, ((GPLR(SPITZ_GPIO_SWA) & GPIO_bit(SPITZ_GPIO_SWA)) != 0));
302 input_report_switch(&spitzkbd_data->input, SW_1, ((GPLR(SPITZ_GPIO_SWB) & GPIO_bit(SPITZ_GPIO_SWB)) != 0));
303 input_sync(&spitzkbd_data->input);
304
305 spin_unlock_irqrestore(&spitzkbd_data->lock, flags);
306 } else {
307 mod_timer(&spitzkbd_data->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
308 }
309}
310
311#ifdef CONFIG_PM
312static int spitzkbd_suspend(struct device *dev, pm_message_t state, uint32_t level)
313{
314 if (level == SUSPEND_POWER_DOWN) {
315 int i;
316 struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
317 spitzkbd->suspended = 1;
318
319 /* Set Strobe lines as inputs - *except* strobe line 0 leave this
320 enabled so we can detect a power button press for resume */
321 for (i = 1; i < SPITZ_KEY_STROBE_NUM; i++)
322 pxa_gpio_mode(spitz_strobes[i] | GPIO_IN);
323 }
324 return 0;
325}
326
327static int spitzkbd_resume(struct device *dev, uint32_t level)
328{
329 if (level == RESUME_POWER_ON) {
330 int i;
331 struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
332
333 for (i = 0; i < SPITZ_KEY_STROBE_NUM; i++)
334 pxa_gpio_mode(spitz_strobes[i] | GPIO_OUT | GPIO_DFLT_HIGH);
335
336 /* Upon resume, ignore the suspend key for a short while */
337 spitzkbd->suspend_jiffies = jiffies;
338 spitzkbd->suspended = 0;
339 }
340 return 0;
341}
342#else
343#define spitzkbd_suspend NULL
344#define spitzkbd_resume NULL
345#endif
346
347static int __init spitzkbd_probe(struct device *dev)
348{
349 int i;
350 struct spitzkbd *spitzkbd;
351
352 spitzkbd = kzalloc(sizeof(struct spitzkbd), GFP_KERNEL);
353 if (!spitzkbd)
354 return -ENOMEM;
355
356 dev_set_drvdata(dev,spitzkbd);
357 strcpy(spitzkbd->phys, "spitzkbd/input0");
358
359 spin_lock_init(&spitzkbd->lock);
360
361 /* Init Keyboard rescan timer */
362 init_timer(&spitzkbd->timer);
363 spitzkbd->timer.function = spitzkbd_timer_callback;
364 spitzkbd->timer.data = (unsigned long) spitzkbd;
365
366 /* Init Hinge Timer */
367 init_timer(&spitzkbd->htimer);
368 spitzkbd->htimer.function = spitzkbd_hinge_timer;
369 spitzkbd->htimer.data = (unsigned long) spitzkbd;
370
371 spitzkbd->suspend_jiffies=jiffies;
372
373 init_input_dev(&spitzkbd->input);
374 spitzkbd->input.private = spitzkbd;
375 spitzkbd->input.name = "Spitz Keyboard";
376 spitzkbd->input.dev = dev;
377 spitzkbd->input.phys = spitzkbd->phys;
378 spitzkbd->input.id.bustype = BUS_HOST;
379 spitzkbd->input.id.vendor = 0x0001;
380 spitzkbd->input.id.product = 0x0001;
381 spitzkbd->input.id.version = 0x0100;
382 spitzkbd->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP) | BIT(EV_PWR) | BIT(EV_SW);
383 spitzkbd->input.keycode = spitzkbd->keycode;
384 spitzkbd->input.keycodesize = sizeof(unsigned char);
385 spitzkbd->input.keycodemax = ARRAY_SIZE(spitzkbd_keycode);
386
387 memcpy(spitzkbd->keycode, spitzkbd_keycode, sizeof(spitzkbd->keycode));
388 for (i = 0; i < ARRAY_SIZE(spitzkbd_keycode); i++)
389 set_bit(spitzkbd->keycode[i], spitzkbd->input.keybit);
390 clear_bit(0, spitzkbd->input.keybit);
391 set_bit(SW_0, spitzkbd->input.swbit);
392 set_bit(SW_1, spitzkbd->input.swbit);
393
394 input_register_device(&spitzkbd->input);
395 mod_timer(&spitzkbd->htimer, jiffies + msecs_to_jiffies(HINGE_SCAN_INTERVAL));
396
397 /* Setup sense interrupts - RisingEdge Detect, sense lines as inputs */
398 for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++) {
399 pxa_gpio_mode(spitz_senses[i] | GPIO_IN);
400 if (request_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd_interrupt,
401 SA_INTERRUPT, "Spitzkbd Sense", spitzkbd))
402 printk(KERN_WARNING "spitzkbd: Can't get Sense IRQ: %d!\n", i);
403 else
404 set_irq_type(IRQ_GPIO(spitz_senses[i]),IRQT_RISING);
405 }
406
407 /* Set Strobe lines as outputs - set high */
408 for (i = 0; i < SPITZ_KEY_STROBE_NUM; i++)
409 pxa_gpio_mode(spitz_strobes[i] | GPIO_OUT | GPIO_DFLT_HIGH);
410
411 pxa_gpio_mode(SPITZ_GPIO_SYNC | GPIO_IN);
412 pxa_gpio_mode(SPITZ_GPIO_ON_KEY | GPIO_IN);
413 pxa_gpio_mode(SPITZ_GPIO_SWA | GPIO_IN);
414 pxa_gpio_mode(SPITZ_GPIO_SWB | GPIO_IN);
415
416 request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt, SA_INTERRUPT, "Spitzkbd Sync", spitzkbd);
417 request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt, SA_INTERRUPT, "Spitzkbd PwrOn", spitzkbd);
418 request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr, SA_INTERRUPT, "Spitzkbd SWA", spitzkbd);
419 request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr, SA_INTERRUPT, "Spitzkbd SWB", spitzkbd);
420
421 set_irq_type(SPITZ_IRQ_GPIO_SYNC, IRQT_BOTHEDGE);
422 set_irq_type(SPITZ_IRQ_GPIO_ON_KEY, IRQT_BOTHEDGE);
423 set_irq_type(SPITZ_IRQ_GPIO_SWA, IRQT_BOTHEDGE);
424 set_irq_type(SPITZ_IRQ_GPIO_SWB, IRQT_BOTHEDGE);
425
426 printk(KERN_INFO "input: Spitz Keyboard Registered\n");
427
428 return 0;
429}
430
431static int spitzkbd_remove(struct device *dev)
432{
433 int i;
434 struct spitzkbd *spitzkbd = dev_get_drvdata(dev);
435
436 for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++)
437 free_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd);
438
439 free_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd);
440 free_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd);
441 free_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd);
442 free_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd);
443
444 del_timer_sync(&spitzkbd->htimer);
445 del_timer_sync(&spitzkbd->timer);
446
447 input_unregister_device(&spitzkbd->input);
448
449 kfree(spitzkbd);
450
451 return 0;
452}
453
454static struct device_driver spitzkbd_driver = {
455 .name = "spitz-keyboard",
456 .bus = &platform_bus_type,
457 .probe = spitzkbd_probe,
458 .remove = spitzkbd_remove,
459 .suspend = spitzkbd_suspend,
460 .resume = spitzkbd_resume,
461};
462
463static int __devinit spitzkbd_init(void)
464{
465 return driver_register(&spitzkbd_driver);
466}
467
468static void __exit spitzkbd_exit(void)
469{
470 driver_unregister(&spitzkbd_driver);
471}
472
473module_init(spitzkbd_init);
474module_exit(spitzkbd_exit);
475
476MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
477MODULE_DESCRIPTION("Spitz Keyboard Driver");
478MODULE_LICENSE("GPLv2");
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