1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * DMI based code to deal with broken DSDTs on X86 tablets which ship with
4  * Android as (part of) the factory image. The factory kernels shipped on these
5  * devices typically have a bunch of things hardcoded, rather than specified
6  * in their DSDT.
7  *
8  * Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
9  */
10 
11 #include <linux/acpi.h>
12 #include <linux/gpio/machine.h>
13 #include <linux/input.h>
14 #include <linux/platform_device.h>
15 
16 #include "shared-psy-info.h"
17 #include "x86-android-tablets.h"
18 
19 /* Acer Iconia One 7 B1-750 has an Android factory img with everything hardcoded */
20 static const char * const acer_b1_750_mount_matrix[] = {
21 	"-1", "0", "0",
22 	"0", "1", "0",
23 	"0", "0", "1"
24 };
25 
26 static const struct property_entry acer_b1_750_bma250e_props[] = {
27 	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", acer_b1_750_mount_matrix),
28 	{ }
29 };
30 
31 static const struct software_node acer_b1_750_bma250e_node = {
32 	.properties = acer_b1_750_bma250e_props,
33 };
34 
35 static const struct x86_i2c_client_info acer_b1_750_i2c_clients[] __initconst = {
36 	{
37 		/* Novatek NVT-ts touchscreen */
38 		.board_info = {
39 			.type = "NVT-ts",
40 			.addr = 0x34,
41 			.dev_name = "NVT-ts",
42 		},
43 		.adapter_path = "\\_SB_.I2C4",
44 		.irq_data = {
45 			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
46 			.chip = "INT33FC:02",
47 			.index = 3,
48 			.trigger = ACPI_EDGE_SENSITIVE,
49 			.polarity = ACPI_ACTIVE_LOW,
50 		},
51 	}, {
52 		/* BMA250E accelerometer */
53 		.board_info = {
54 			.type = "bma250e",
55 			.addr = 0x18,
56 			.swnode = &acer_b1_750_bma250e_node,
57 		},
58 		.adapter_path = "\\_SB_.I2C3",
59 		.irq_data = {
60 			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
61 			.chip = "INT33FC:02",
62 			.index = 25,
63 			.trigger = ACPI_LEVEL_SENSITIVE,
64 			.polarity = ACPI_ACTIVE_HIGH,
65 		},
66 	},
67 };
68 
69 static struct gpiod_lookup_table acer_b1_750_nvt_ts_gpios = {
70 	.dev_id = "i2c-NVT-ts",
71 	.table = {
72 		GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_LOW),
73 		{ }
74 	},
75 };
76 
77 static struct gpiod_lookup_table * const acer_b1_750_gpios[] = {
78 	&acer_b1_750_nvt_ts_gpios,
79 	&int3496_reference_gpios,
80 	NULL
81 };
82 
83 const struct x86_dev_info acer_b1_750_info __initconst = {
84 	.i2c_client_info = acer_b1_750_i2c_clients,
85 	.i2c_client_count = ARRAY_SIZE(acer_b1_750_i2c_clients),
86 	.pdev_info = int3496_pdevs,
87 	.pdev_count = 1,
88 	.gpiod_lookup_tables = acer_b1_750_gpios,
89 };
90 
91 /*
92  * Advantech MICA-071
93  * This is a standard Windows tablet, but it has an extra "quick launch" button
94  * which is not described in the ACPI tables in anyway.
95  * Use the x86-android-tablets infra to create a gpio-button device for this.
96  */
97 static const struct x86_gpio_button advantech_mica_071_button __initconst = {
98 	.button = {
99 		.code = KEY_PROG1,
100 		.active_low = true,
101 		.desc = "prog1_key",
102 		.type = EV_KEY,
103 		.wakeup = false,
104 		.debounce_interval = 50,
105 	},
106 	.chip = "INT33FC:00",
107 	.pin = 2,
108 };
109 
110 const struct x86_dev_info advantech_mica_071_info __initconst = {
111 	.gpio_button = &advantech_mica_071_button,
112 	.gpio_button_count = 1,
113 };
114 
115 /*
116  * When booted with the BIOS set to Android mode the Chuwi Hi8 (CWI509) DSDT
117  * contains a whole bunch of bogus ACPI I2C devices and is missing entries
118  * for the touchscreen and the accelerometer.
119  */
120 static const struct property_entry chuwi_hi8_gsl1680_props[] = {
121 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1665),
122 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
123 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
124 	PROPERTY_ENTRY_BOOL("silead,home-button"),
125 	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi8.fw"),
126 	{ }
127 };
128 
129 static const struct software_node chuwi_hi8_gsl1680_node = {
130 	.properties = chuwi_hi8_gsl1680_props,
131 };
132 
133 static const char * const chuwi_hi8_mount_matrix[] = {
134 	"1", "0", "0",
135 	"0", "-1", "0",
136 	"0", "0", "1"
137 };
138 
139 static const struct property_entry chuwi_hi8_bma250e_props[] = {
140 	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", chuwi_hi8_mount_matrix),
141 	{ }
142 };
143 
144 static const struct software_node chuwi_hi8_bma250e_node = {
145 	.properties = chuwi_hi8_bma250e_props,
146 };
147 
148 static const struct x86_i2c_client_info chuwi_hi8_i2c_clients[] __initconst = {
149 	{
150 		/* Silead touchscreen */
151 		.board_info = {
152 			.type = "gsl1680",
153 			.addr = 0x40,
154 			.swnode = &chuwi_hi8_gsl1680_node,
155 		},
156 		.adapter_path = "\\_SB_.I2C4",
157 		.irq_data = {
158 			.type = X86_ACPI_IRQ_TYPE_APIC,
159 			.index = 0x44,
160 			.trigger = ACPI_EDGE_SENSITIVE,
161 			.polarity = ACPI_ACTIVE_HIGH,
162 		},
163 	}, {
164 		/* BMA250E accelerometer */
165 		.board_info = {
166 			.type = "bma250e",
167 			.addr = 0x18,
168 			.swnode = &chuwi_hi8_bma250e_node,
169 		},
170 		.adapter_path = "\\_SB_.I2C3",
171 		.irq_data = {
172 			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
173 			.chip = "INT33FC:02",
174 			.index = 23,
175 			.trigger = ACPI_LEVEL_SENSITIVE,
176 			.polarity = ACPI_ACTIVE_HIGH,
177 		},
178 	},
179 };
180 
181 static int __init chuwi_hi8_init(void)
182 {
183 	/*
184 	 * Avoid the acpi_unregister_gsi() call in x86_acpi_irq_helper_get()
185 	 * breaking the touchscreen + logging various errors when the Windows
186 	 * BIOS is used.
187 	 */
188 	if (acpi_dev_present("MSSL0001", NULL, 1))
189 		return -ENODEV;
190 
191 	return 0;
192 }
193 
194 const struct x86_dev_info chuwi_hi8_info __initconst = {
195 	.i2c_client_info = chuwi_hi8_i2c_clients,
196 	.i2c_client_count = ARRAY_SIZE(chuwi_hi8_i2c_clients),
197 	.init = chuwi_hi8_init,
198 };
199 
200 /*
201  * Cyberbook T116 Android version
202  * This comes in both Windows and Android versions and even on Android
203  * the DSDT is mostly sane. This tablet has 2 extra general purpose buttons
204  * in the button row with the power + volume-buttons labeled P and F.
205  * Use the x86-android-tablets infra to create a gpio-button device for these.
206  */
207 static const struct x86_gpio_button cyberbook_t116_buttons[] __initconst = {
208 	{
209 		.button = {
210 			.code = KEY_PROG1,
211 			.active_low = true,
212 			.desc = "prog1_key",
213 			.type = EV_KEY,
214 			.wakeup = false,
215 			.debounce_interval = 50,
216 		},
217 		.chip = "INT33FF:00",
218 		.pin = 30,
219 	},
220 	{
221 		.button = {
222 			.code = KEY_PROG2,
223 			.active_low = true,
224 			.desc = "prog2_key",
225 			.type = EV_KEY,
226 			.wakeup = false,
227 			.debounce_interval = 50,
228 		},
229 		.chip = "INT33FF:03",
230 		.pin = 48,
231 	},
232 };
233 
234 const struct x86_dev_info cyberbook_t116_info __initconst = {
235 	.gpio_button = cyberbook_t116_buttons,
236 	.gpio_button_count = ARRAY_SIZE(cyberbook_t116_buttons),
237 };
238 
239 #define CZC_EC_EXTRA_PORT	0x68
240 #define CZC_EC_ANDROID_KEYS	0x63
241 
242 static int __init czc_p10t_init(void)
243 {
244 	/*
245 	 * The device boots up in "Windows 7" mode, when the home button sends a
246 	 * Windows specific key sequence (Left Meta + D) and the second button
247 	 * sends an unknown one while also toggling the Radio Kill Switch.
248 	 * This is a surprising behavior when the second button is labeled "Back".
249 	 *
250 	 * The vendor-supplied Android-x86 build switches the device to a "Android"
251 	 * mode by writing value 0x63 to the I/O port 0x68. This just seems to just
252 	 * set bit 6 on address 0x96 in the EC region; switching the bit directly
253 	 * seems to achieve the same result. It uses a "p10t_switcher" to do the
254 	 * job. It doesn't seem to be able to do anything else, and no other use
255 	 * of the port 0x68 is known.
256 	 *
257 	 * In the Android mode, the home button sends just a single scancode,
258 	 * which can be handled in Linux userspace more reasonably and the back
259 	 * button only sends a scancode without toggling the kill switch.
260 	 * The scancode can then be mapped either to Back or RF Kill functionality
261 	 * in userspace, depending on how the button is labeled on that particular
262 	 * model.
263 	 */
264 	outb(CZC_EC_ANDROID_KEYS, CZC_EC_EXTRA_PORT);
265 	return 0;
266 }
267 
268 const struct x86_dev_info czc_p10t __initconst = {
269 	.init = czc_p10t_init,
270 };
271 
272 /* Medion Lifetab S10346 tablets have an Android factory img with everything hardcoded */
273 static const char * const medion_lifetab_s10346_accel_mount_matrix[] = {
274 	"0", "1", "0",
275 	"1", "0", "0",
276 	"0", "0", "1"
277 };
278 
279 static const struct property_entry medion_lifetab_s10346_accel_props[] = {
280 	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", medion_lifetab_s10346_accel_mount_matrix),
281 	{ }
282 };
283 
284 static const struct software_node medion_lifetab_s10346_accel_node = {
285 	.properties = medion_lifetab_s10346_accel_props,
286 };
287 
288 /* Note the LCD panel is mounted upside down, this is correctly indicated in the VBT */
289 static const struct property_entry medion_lifetab_s10346_touchscreen_props[] = {
290 	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
291 	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
292 	{ }
293 };
294 
295 static const struct software_node medion_lifetab_s10346_touchscreen_node = {
296 	.properties = medion_lifetab_s10346_touchscreen_props,
297 };
298 
299 static const struct x86_i2c_client_info medion_lifetab_s10346_i2c_clients[] __initconst = {
300 	{
301 		/* kxtj21009 accel */
302 		.board_info = {
303 			.type = "kxtj21009",
304 			.addr = 0x0f,
305 			.dev_name = "kxtj21009",
306 			.swnode = &medion_lifetab_s10346_accel_node,
307 		},
308 		.adapter_path = "\\_SB_.I2C3",
309 		.irq_data = {
310 			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
311 			.chip = "INT33FC:02",
312 			.index = 23,
313 			.trigger = ACPI_EDGE_SENSITIVE,
314 			.polarity = ACPI_ACTIVE_HIGH,
315 		},
316 	}, {
317 		/* goodix touchscreen */
318 		.board_info = {
319 			.type = "GDIX1001:00",
320 			.addr = 0x14,
321 			.dev_name = "goodix_ts",
322 			.swnode = &medion_lifetab_s10346_touchscreen_node,
323 		},
324 		.adapter_path = "\\_SB_.I2C4",
325 		.irq_data = {
326 			.type = X86_ACPI_IRQ_TYPE_APIC,
327 			.index = 0x44,
328 			.trigger = ACPI_EDGE_SENSITIVE,
329 			.polarity = ACPI_ACTIVE_LOW,
330 		},
331 	},
332 };
333 
334 static struct gpiod_lookup_table medion_lifetab_s10346_goodix_gpios = {
335 	.dev_id = "i2c-goodix_ts",
336 	.table = {
337 		GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_HIGH),
338 		GPIO_LOOKUP("INT33FC:02", 3, "irq", GPIO_ACTIVE_HIGH),
339 		{ }
340 	},
341 };
342 
343 static struct gpiod_lookup_table * const medion_lifetab_s10346_gpios[] = {
344 	&medion_lifetab_s10346_goodix_gpios,
345 	NULL
346 };
347 
348 const struct x86_dev_info medion_lifetab_s10346_info __initconst = {
349 	.i2c_client_info = medion_lifetab_s10346_i2c_clients,
350 	.i2c_client_count = ARRAY_SIZE(medion_lifetab_s10346_i2c_clients),
351 	.gpiod_lookup_tables = medion_lifetab_s10346_gpios,
352 };
353 
354 /* Nextbook Ares 8 (BYT) tablets have an Android factory img with everything hardcoded */
355 static const char * const nextbook_ares8_accel_mount_matrix[] = {
356 	"0", "-1", "0",
357 	"-1", "0", "0",
358 	"0", "0", "1"
359 };
360 
361 static const struct property_entry nextbook_ares8_accel_props[] = {
362 	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", nextbook_ares8_accel_mount_matrix),
363 	{ }
364 };
365 
366 static const struct software_node nextbook_ares8_accel_node = {
367 	.properties = nextbook_ares8_accel_props,
368 };
369 
370 static const struct property_entry nextbook_ares8_touchscreen_props[] = {
371 	PROPERTY_ENTRY_U32("touchscreen-size-x", 800),
372 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
373 	{ }
374 };
375 
376 static const struct software_node nextbook_ares8_touchscreen_node = {
377 	.properties = nextbook_ares8_touchscreen_props,
378 };
379 
380 static const struct x86_i2c_client_info nextbook_ares8_i2c_clients[] __initconst = {
381 	{
382 		/* Freescale MMA8653FC accel */
383 		.board_info = {
384 			.type = "mma8653",
385 			.addr = 0x1d,
386 			.dev_name = "mma8653",
387 			.swnode = &nextbook_ares8_accel_node,
388 		},
389 		.adapter_path = "\\_SB_.I2C3",
390 	}, {
391 		/* FT5416DQ9 touchscreen controller */
392 		.board_info = {
393 			.type = "edt-ft5x06",
394 			.addr = 0x38,
395 			.dev_name = "ft5416",
396 			.swnode = &nextbook_ares8_touchscreen_node,
397 		},
398 		.adapter_path = "\\_SB_.I2C4",
399 		.irq_data = {
400 			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
401 			.chip = "INT33FC:02",
402 			.index = 3,
403 			.trigger = ACPI_EDGE_SENSITIVE,
404 			.polarity = ACPI_ACTIVE_LOW,
405 		},
406 	},
407 };
408 
409 static struct gpiod_lookup_table * const nextbook_ares8_gpios[] = {
410 	&int3496_reference_gpios,
411 	NULL
412 };
413 
414 const struct x86_dev_info nextbook_ares8_info __initconst = {
415 	.i2c_client_info = nextbook_ares8_i2c_clients,
416 	.i2c_client_count = ARRAY_SIZE(nextbook_ares8_i2c_clients),
417 	.pdev_info = int3496_pdevs,
418 	.pdev_count = 1,
419 	.gpiod_lookup_tables = nextbook_ares8_gpios,
420 };
421 
422 /* Nextbook Ares 8A (CHT) tablets have an Android factory img with everything hardcoded */
423 static const char * const nextbook_ares8a_accel_mount_matrix[] = {
424 	"1", "0", "0",
425 	"0", "-1", "0",
426 	"0", "0", "1"
427 };
428 
429 static const struct property_entry nextbook_ares8a_accel_props[] = {
430 	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", nextbook_ares8a_accel_mount_matrix),
431 	{ }
432 };
433 
434 static const struct software_node nextbook_ares8a_accel_node = {
435 	.properties = nextbook_ares8a_accel_props,
436 };
437 
438 static const struct x86_i2c_client_info nextbook_ares8a_i2c_clients[] __initconst = {
439 	{
440 		/* Freescale MMA8653FC accel */
441 		.board_info = {
442 			.type = "mma8653",
443 			.addr = 0x1d,
444 			.dev_name = "mma8653",
445 			.swnode = &nextbook_ares8a_accel_node,
446 		},
447 		.adapter_path = "\\_SB_.PCI0.I2C3",
448 	}, {
449 		/* FT5416DQ9 touchscreen controller */
450 		.board_info = {
451 			.type = "edt-ft5x06",
452 			.addr = 0x38,
453 			.dev_name = "ft5416",
454 			.swnode = &nextbook_ares8_touchscreen_node,
455 		},
456 		.adapter_path = "\\_SB_.PCI0.I2C6",
457 		.irq_data = {
458 			.type = X86_ACPI_IRQ_TYPE_GPIOINT,
459 			.chip = "INT33FF:01",
460 			.index = 17,
461 			.trigger = ACPI_EDGE_SENSITIVE,
462 			.polarity = ACPI_ACTIVE_LOW,
463 		},
464 	},
465 };
466 
467 static struct gpiod_lookup_table nextbook_ares8a_ft5416_gpios = {
468 	.dev_id = "i2c-ft5416",
469 	.table = {
470 		GPIO_LOOKUP("INT33FF:01", 25, "reset", GPIO_ACTIVE_LOW),
471 		{ }
472 	},
473 };
474 
475 static struct gpiod_lookup_table * const nextbook_ares8a_gpios[] = {
476 	&nextbook_ares8a_ft5416_gpios,
477 	NULL
478 };
479 
480 const struct x86_dev_info nextbook_ares8a_info __initconst = {
481 	.i2c_client_info = nextbook_ares8a_i2c_clients,
482 	.i2c_client_count = ARRAY_SIZE(nextbook_ares8a_i2c_clients),
483 	.gpiod_lookup_tables = nextbook_ares8a_gpios,
484 };
485 
486 /*
487  * Peaq C1010
488  * This is a standard Windows tablet, but it has a special Dolby button.
489  * This button has a WMI interface, but that is broken. Instead of trying to
490  * use the broken WMI interface, instantiate a gpio_keys device for this.
491  */
492 static const struct x86_gpio_button peaq_c1010_button __initconst = {
493 	.button = {
494 		.code = KEY_SOUND,
495 		.active_low = true,
496 		.desc = "dolby_key",
497 		.type = EV_KEY,
498 		.wakeup = false,
499 		.debounce_interval = 50,
500 	},
501 	.chip = "INT33FC:00",
502 	.pin = 3,
503 };
504 
505 const struct x86_dev_info peaq_c1010_info __initconst = {
506 	.gpio_button = &peaq_c1010_button,
507 	.gpio_button_count = 1,
508 	/*
509 	 * Move the ACPI event handler used by the broken WMI interface out of
510 	 * the way. This is the only event handler on INT33FC:00.
511 	 */
512 	.invalid_aei_gpiochip = "INT33FC:00",
513 };
514 
515 /*
516  * Whitelabel (sold as various brands) TM800A550L tablets.
517  * These tablet's DSDT contains a whole bunch of bogus ACPI I2C devices
518  * (removed through acpi_quirk_skip_i2c_client_enumeration()) and
519  * the touchscreen fwnode has the wrong GPIOs.
520  */
521 static const char * const whitelabel_tm800a550l_accel_mount_matrix[] = {
522 	"-1", "0", "0",
523 	"0", "1", "0",
524 	"0", "0", "1"
525 };
526 
527 static const struct property_entry whitelabel_tm800a550l_accel_props[] = {
528 	PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", whitelabel_tm800a550l_accel_mount_matrix),
529 	{ }
530 };
531 
532 static const struct software_node whitelabel_tm800a550l_accel_node = {
533 	.properties = whitelabel_tm800a550l_accel_props,
534 };
535 
536 static const struct property_entry whitelabel_tm800a550l_goodix_props[] = {
537 	PROPERTY_ENTRY_STRING("firmware-name", "gt912-tm800a550l.fw"),
538 	PROPERTY_ENTRY_STRING("goodix,config-name", "gt912-tm800a550l.cfg"),
539 	PROPERTY_ENTRY_U32("goodix,main-clk", 54),
540 	{ }
541 };
542 
543 static const struct software_node whitelabel_tm800a550l_goodix_node = {
544 	.properties = whitelabel_tm800a550l_goodix_props,
545 };
546 
547 static const struct x86_i2c_client_info whitelabel_tm800a550l_i2c_clients[] __initconst = {
548 	{
549 		/* goodix touchscreen */
550 		.board_info = {
551 			.type = "GDIX1001:00",
552 			.addr = 0x14,
553 			.dev_name = "goodix_ts",
554 			.swnode = &whitelabel_tm800a550l_goodix_node,
555 		},
556 		.adapter_path = "\\_SB_.I2C2",
557 		.irq_data = {
558 			.type = X86_ACPI_IRQ_TYPE_APIC,
559 			.index = 0x44,
560 			.trigger = ACPI_EDGE_SENSITIVE,
561 			.polarity = ACPI_ACTIVE_HIGH,
562 		},
563 	}, {
564 		/* kxcj91008 accel */
565 		.board_info = {
566 			.type = "kxcj91008",
567 			.addr = 0x0f,
568 			.dev_name = "kxcj91008",
569 			.swnode = &whitelabel_tm800a550l_accel_node,
570 		},
571 		.adapter_path = "\\_SB_.I2C3",
572 	},
573 };
574 
575 static struct gpiod_lookup_table whitelabel_tm800a550l_goodix_gpios = {
576 	.dev_id = "i2c-goodix_ts",
577 	.table = {
578 		GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_HIGH),
579 		GPIO_LOOKUP("INT33FC:02", 3, "irq", GPIO_ACTIVE_HIGH),
580 		{ }
581 	},
582 };
583 
584 static struct gpiod_lookup_table * const whitelabel_tm800a550l_gpios[] = {
585 	&whitelabel_tm800a550l_goodix_gpios,
586 	NULL
587 };
588 
589 const struct x86_dev_info whitelabel_tm800a550l_info __initconst = {
590 	.i2c_client_info = whitelabel_tm800a550l_i2c_clients,
591 	.i2c_client_count = ARRAY_SIZE(whitelabel_tm800a550l_i2c_clients),
592 	.gpiod_lookup_tables = whitelabel_tm800a550l_gpios,
593 };
594 
595 /*
596  * If the EFI bootloader is not Xiaomi's own signed Android loader, then the
597  * Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing
598  * a bunch of devices to be hidden.
599  *
600  * This takes care of instantiating the hidden devices manually.
601  */
602 static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst = {
603 	{
604 		/* BQ27520 fuel-gauge */
605 		.board_info = {
606 			.type = "bq27520",
607 			.addr = 0x55,
608 			.dev_name = "bq27520",
609 			.swnode = &fg_bq25890_supply_node,
610 		},
611 		.adapter_path = "\\_SB_.PCI0.I2C1",
612 	}, {
613 		/* KTD2026 RGB notification LED controller */
614 		.board_info = {
615 			.type = "ktd2026",
616 			.addr = 0x30,
617 			.dev_name = "ktd2026",
618 		},
619 		.adapter_path = "\\_SB_.PCI0.I2C3",
620 	},
621 };
622 
623 const struct x86_dev_info xiaomi_mipad2_info __initconst = {
624 	.i2c_client_info = xiaomi_mipad2_i2c_clients,
625 	.i2c_client_count = ARRAY_SIZE(xiaomi_mipad2_i2c_clients),
626 };
627