76  * codes used by the EC. For example 0x16 (T14S_EC_EVT_KEY_FN_F7) is mapped
93 	struct t14s_ec *ec;  member
118 	struct t14s_ec *ec = context;  in t14s_ec_write()  local
119 	struct i2c_client *client = to_i2c_client(ec->dev);  in t14s_ec_write()
134 	struct t14s_ec *ec = context;  in t14s_ec_read()  local
135 	struct i2c_client *client = to_i2c_client(ec->dev);  in t14s_ec_read()
174 static int t14s_ec_read_evt(struct t14s_ec *ec, u8 *val)  in t14s_ec_read_evt()  argument
176 	struct i2c_client *client = to_i2c_client(ec->dev);  in t14s_ec_read_evt()
209 static void t14s_ec_write_sequence(struct t14s_ec *ec, u8 reg, u8 val, u8 cnt)  in t14s_ec_write_sequence()  argument
214 		regmap_write(ec->regmap, reg, val);  in t14s_ec_write_sequence()
217 static int t14s_led_set_status(struct t14s_ec *ec,  in t14s_led_set_status()  argument
223 	ret = regmap_write(ec->regmap, T14S_EC_REG_LED,  in t14s_led_set_status()
246 	return t14s_led_set_status(led->ec, led, new_state);  in t14s_led_brightness_set()
264 	return t14s_led_set_status(led->ec, led, T14S_EC_LED_BLINK);  in t14s_led_blink_set()
267 static int t14s_init_led(struct t14s_ec *ec, struct t14s_ec_led_classdev *led,  in t14s_init_led()  argument
275 	led->ec = ec;  in t14s_init_led()
278 	return devm_led_classdev_register(ec->dev, &led->led_classdev);  in t14s_init_led()
281 static int t14s_leds_probe(struct t14s_ec *ec)  in t14s_leds_probe()  argument
285 	ret = t14s_init_led(ec, &ec->led_pwr_btn, 0, "platform::power");  in t14s_leds_probe()
289 	ret = t14s_init_led(ec, &ec->led_chrg_orange, 1,  in t14s_leds_probe()
294 	ret = t14s_init_led(ec, &ec->led_chrg_white, 2,  in t14s_leds_probe()
299 	ret = t14s_init_led(ec, &ec->led_lid_logo_dot, 10,  in t14s_leds_probe()
310 	struct t14s_ec *ec = container_of(led_cdev, struct t14s_ec,  in t14s_kbd_bl_set()  local
316 	ret = regmap_update_bits(ec->regmap, T14S_EC_REG_KBD_BL1,  in t14s_kbd_bl_set()
322 	ret = regmap_update_bits(ec->regmap, T14S_EC_REG_KBD_BL2,  in t14s_kbd_bl_set()
332 	struct t14s_ec *ec = container_of(led_cdev, struct t14s_ec,  in t14s_kbd_bl_get()  local
337 	ret = regmap_read(ec->regmap, T14S_EC_REG_KBD_BL1, &val);  in t14s_kbd_bl_get()
344 static void t14s_kbd_bl_update(struct t14s_ec *ec)  in t14s_kbd_bl_update()  argument
346 	enum led_brightness brightness = t14s_kbd_bl_get(&ec->kbd_backlight);  in t14s_kbd_bl_update()
348 	led_classdev_notify_brightness_hw_changed(&ec->kbd_backlight, brightness);  in t14s_kbd_bl_update()
351 static int t14s_kbd_backlight_probe(struct t14s_ec *ec)  in t14s_kbd_backlight_probe()  argument
353 	ec->kbd_backlight.name = "platform::kbd_backlight";  in t14s_kbd_backlight_probe()
354 	ec->kbd_backlight.flags = LED_BRIGHT_HW_CHANGED;  in t14s_kbd_backlight_probe()
355 	ec->kbd_backlight.max_brightness = 2;  in t14s_kbd_backlight_probe()
356 	ec->kbd_backlight.brightness_set_blocking = t14s_kbd_bl_set;  in t14s_kbd_backlight_probe()
357 	ec->kbd_backlight.brightness_get = t14s_kbd_bl_get;  in t14s_kbd_backlight_probe()
359 	return devm_led_classdev_register(ec->dev, &ec->kbd_backlight);  in t14s_kbd_backlight_probe()
362 static enum led_brightness t14s_audio_led_get(struct t14s_ec *ec, u8 led_bit)  in t14s_audio_led_get()  argument
367 	ret = regmap_read(ec->regmap, T14S_EC_REG_AUD, &val);  in t14s_audio_led_get()
374 static enum led_brightness t14s_audio_led_set(struct t14s_ec *ec,  in t14s_audio_led_set()  argument
378 	return regmap_assign_bits(ec->regmap, T14S_EC_REG_AUD, led_mask, brightness > 0);  in t14s_audio_led_set()
383 	struct t14s_ec *ec = container_of(led_cdev, struct t14s_ec,  in t14s_mic_mute_led_get()  local
386 	return t14s_audio_led_get(ec, T14S_EC_MIC_MUTE_LED);  in t14s_mic_mute_led_get()
392 	struct t14s_ec *ec = container_of(led_cdev, struct t14s_ec,  in t14s_mic_mute_led_set()  local
395 	return t14s_audio_led_set(ec, T14S_EC_MIC_MUTE_LED, brightness);  in t14s_mic_mute_led_set()
400 	struct t14s_ec *ec = container_of(led_cdev, struct t14s_ec,  in t14s_spk_mute_led_get()  local
403 	return t14s_audio_led_get(ec, T14S_EC_SPK_MUTE_LED);  in t14s_spk_mute_led_get()
409 	struct t14s_ec *ec = container_of(led_cdev, struct t14s_ec,  in t14s_spk_mute_led_set()  local
412 	return t14s_audio_led_set(ec, T14S_EC_SPK_MUTE_LED, brightness);  in t14s_spk_mute_led_set()
415 static int t14s_kbd_audio_led_probe(struct t14s_ec *ec)  in t14s_kbd_audio_led_probe()  argument
419 	ec->led_mic_mute.name = "platform::micmute";  in t14s_kbd_audio_led_probe()
420 	ec->led_mic_mute.max_brightness = 1;  in t14s_kbd_audio_led_probe()
421 	ec->led_mic_mute.default_trigger = "audio-micmute";  in t14s_kbd_audio_led_probe()
422 	ec->led_mic_mute.brightness_set_blocking = t14s_mic_mute_led_set;  in t14s_kbd_audio_led_probe()
423 	ec->led_mic_mute.brightness_get = t14s_mic_mute_led_get;  in t14s_kbd_audio_led_probe()
425 	ec->led_spk_mute.name = "platform::mute";  in t14s_kbd_audio_led_probe()
426 	ec->led_spk_mute.max_brightness = 1;  in t14s_kbd_audio_led_probe()
427 	ec->led_spk_mute.default_trigger = "audio-mute";  in t14s_kbd_audio_led_probe()
428 	ec->led_spk_mute.brightness_set_blocking = t14s_spk_mute_led_set;  in t14s_kbd_audio_led_probe()
429 	ec->led_spk_mute.brightness_get = t14s_spk_mute_led_get;  in t14s_kbd_audio_led_probe()
431 	ret = devm_led_classdev_register(ec->dev, &ec->led_mic_mute);  in t14s_kbd_audio_led_probe()
435 	return devm_led_classdev_register(ec->dev, &ec->led_spk_mute);  in t14s_kbd_audio_led_probe()
455 static int t14s_input_probe(struct t14s_ec *ec)  in t14s_input_probe()  argument
459 	ec->inputdev = devm_input_allocate_device(ec->dev);  in t14s_input_probe()
460 	if (!ec->inputdev)  in t14s_input_probe()
463 	ec->inputdev->name = "ThinkPad Extra Buttons";  in t14s_input_probe()
464 	ec->inputdev->phys = "thinkpad/input0";  in t14s_input_probe()
465 	ec->inputdev->id.bustype = BUS_HOST;  in t14s_input_probe()
466 	ec->inputdev->dev.parent = ec->dev;  in t14s_input_probe()
468 	ret = sparse_keymap_setup(ec->inputdev, t14s_keymap, NULL);  in t14s_input_probe()
472 	return input_register_device(ec->inputdev);  in t14s_input_probe()
477 	struct t14s_ec *ec = data;  in t14s_ec_irq_handler()  local
481 	ret = t14s_ec_read_evt(ec, &val);  in t14s_ec_irq_handler()
483 		dev_err(ec->dev, "Failed to read event\n");  in t14s_ec_irq_handler()
491 		t14s_kbd_bl_update(ec);  in t14s_ec_irq_handler()
505 		sparse_keymap_report_event(ec->inputdev,  in t14s_ec_irq_handler()
509 		dev_dbg(ec->dev, "AC connected\n");  in t14s_ec_irq_handler()
512 		dev_dbg(ec->dev, "AC disconnected\n");  in t14s_ec_irq_handler()
515 		dev_dbg(ec->dev, "power button\n");  in t14s_ec_irq_handler()
518 		dev_dbg(ec->dev, "LID open\n");  in t14s_ec_irq_handler()
521 		dev_dbg(ec->dev, "LID closed\n");  in t14s_ec_irq_handler()
524 		dev_dbg(ec->dev, "Thermal Zone 40 Status Change Event (CPU/GPU)\n");  in t14s_ec_irq_handler()
527 		dev_dbg(ec->dev, "Thermal Zone 42 Status Change Event (Battery)\n");  in t14s_ec_irq_handler()
530 		dev_dbg(ec->dev, "Thermal Zone 39 Status Change Event (CPU/GPU)\n");  in t14s_ec_irq_handler()
533 		dev_dbg(ec->dev, "FN + G - toggle double-tapping\n");  in t14s_ec_irq_handler()
536 		dev_dbg(ec->dev, "FN + L - low performance mode\n");  in t14s_ec_irq_handler()
539 		dev_dbg(ec->dev, "FN + M - medium performance mode\n");  in t14s_ec_irq_handler()
542 		dev_dbg(ec->dev, "FN + H - high performance mode\n");  in t14s_ec_irq_handler()
545 		dev_dbg(ec->dev, "FN + T - toggle intelligent cooling mode\n");  in t14s_ec_irq_handler()
548 		dev_dbg(ec->dev, "FN + D - toggle privacy guard mode\n");  in t14s_ec_irq_handler()
551 		dev_info(ec->dev, "Unknown EC event: 0x%02x\n", val);  in t14s_ec_irq_handler()
561 	struct t14s_ec *ec;  in t14s_ec_probe()  local
564 	ec = devm_kzalloc(dev, sizeof(*ec), GFP_KERNEL);  in t14s_ec_probe()
565 	if (!ec)  in t14s_ec_probe()
568 	ec->dev = dev;  in t14s_ec_probe()
569 	i2c_set_clientdata(client, ec);  in t14s_ec_probe()
571 	ec->regmap = devm_regmap_init(dev, &t14s_ec_regmap_bus,  in t14s_ec_probe()
572 				      ec, &t14s_ec_regmap_config);  in t14s_ec_probe()
573 	if (IS_ERR(ec->regmap))  in t14s_ec_probe()
574 		return dev_err_probe(dev, PTR_ERR(ec->regmap),  in t14s_ec_probe()
577 	ret = t14s_leds_probe(ec);  in t14s_ec_probe()
581 	ret = t14s_kbd_backlight_probe(ec);  in t14s_ec_probe()
585 	ret = t14s_kbd_audio_led_probe(ec);  in t14s_ec_probe()
589 	ret = t14s_input_probe(ec);  in t14s_ec_probe()
595 					IRQF_ONESHOT, dev_name(dev), ec);  in t14s_ec_probe()
611 	struct t14s_ec *ec = dev_get_drvdata(dev);  in t14s_ec_suspend()  local
613 	led_classdev_suspend(&ec->kbd_backlight);  in t14s_ec_suspend()
615 	t14s_ec_write_sequence(ec, T14S_EC_REG_MODERN_STANDBY,  in t14s_ec_suspend()
623 	struct t14s_ec *ec = dev_get_drvdata(dev);  in t14s_ec_resume()  local
625 	t14s_ec_write_sequence(ec, T14S_EC_REG_MODERN_STANDBY,  in t14s_ec_resume()
628 	led_classdev_resume(&ec->kbd_backlight);  in t14s_ec_resume()
634 	{ .compatible = "lenovo,thinkpad-t14s-ec" },
640 	{ "thinkpad-t14s-ec", },
651 		.name = "thinkpad-t14s-ec",