223 static bool qt1050_identify(struct qt1050_priv *ts)  in qt1050_identify()  argument
229 	regmap_read(ts->regmap, QT1050_CHIP_ID, &val);  in qt1050_identify()
231 		dev_err(&ts->client->dev, "ID %d not supported\n", val);  in qt1050_identify()
236 	err = regmap_read(ts->regmap, QT1050_FW_VERSION, &val);  in qt1050_identify()
238 		dev_err(&ts->client->dev, "could not read the firmware version\n");  in qt1050_identify()
242 	dev_info(&ts->client->dev, "AT42QT1050 firmware version %1d.%1d\n",  in qt1050_identify()
250 	struct qt1050_priv *ts = dev_id;  in qt1050_irq_threaded()  local
251 	struct input_dev *input = ts->input;  in qt1050_irq_threaded()
257 	err = regmap_read(ts->regmap, QT1050_DET_STATUS, &val);  in qt1050_irq_threaded()
259 		dev_err(&ts->client->dev, "Fail to read detection status: %d\n",  in qt1050_irq_threaded()
265 	err = regmap_read(ts->regmap, QT1050_KEY_STATUS, &val);  in qt1050_irq_threaded()
267 		dev_err(&ts->client->dev,  in qt1050_irq_threaded()
272 	changed = ts->last_keys ^ new_keys;  in qt1050_irq_threaded()
274 	changed &= ts->reg_keys;  in qt1050_irq_threaded()
277 		input_report_key(input, ts->keys[i].keycode,  in qt1050_irq_threaded()
280 	ts->last_keys = new_keys;  in qt1050_irq_threaded()
301 static int qt1050_apply_fw_data(struct qt1050_priv *ts)  in qt1050_apply_fw_data()  argument
303 	struct regmap *map = ts->regmap;  in qt1050_apply_fw_data()
304 	struct qt1050_key *button = &ts->keys[0];  in qt1050_apply_fw_data()
341 static int qt1050_parse_fw(struct qt1050_priv *ts)  in qt1050_parse_fw()  argument
343 	struct device *dev = &ts->client->dev;  in qt1050_parse_fw()
374 		ts->reg_keys |= BIT(button.num);  in qt1050_parse_fw()
418 		ts->keys[button.num] = button;  in qt1050_parse_fw()
430 	struct qt1050_priv *ts;  in qt1050_probe()  local
450 	ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);  in qt1050_probe()
451 	if (!ts)  in qt1050_probe()
462 	ts->client = client;  in qt1050_probe()
463 	ts->input = input;  in qt1050_probe()
464 	ts->regmap = map;  in qt1050_probe()
466 	i2c_set_clientdata(client, ts);  in qt1050_probe()
469 	if (!qt1050_identify(ts))  in qt1050_probe()
473 	err = qt1050_parse_fw(ts);  in qt1050_probe()
484 	input->keycode = ts->keycodes;  in qt1050_probe()
485 	input->keycodesize = sizeof(ts->keycodes[0]);  in qt1050_probe()
490 		ts->keycodes[i] = ts->keys[i].keycode;  in qt1050_probe()
491 		__set_bit(ts->keycodes[i], input->keybit);  in qt1050_probe()
495 	err = regmap_update_bits(ts->regmap, QT1050_RES_CAL, 0x7f,  in qt1050_probe()
501 	err = regmap_read_poll_timeout(ts->regmap, QT1050_DET_STATUS, status,  in qt1050_probe()
509 	err = regmap_update_bits(ts->regmap, QT1050_RES_CAL,  in qt1050_probe()
518 	err = qt1050_apply_fw_data(ts);  in qt1050_probe()
526 					"qt1050", ts);  in qt1050_probe()
533 	err = regmap_read(ts->regmap, QT1050_DET_STATUS, &status);  in qt1050_probe()
540 	err = input_register_device(ts->input);  in qt1050_probe()
553 	struct qt1050_priv *ts = i2c_get_clientdata(client);  in qt1050_suspend()  local
562 	return regmap_write(ts->regmap, QT1050_LPMODE,  in qt1050_suspend()
569 	struct qt1050_priv *ts = i2c_get_clientdata(client);  in qt1050_resume()  local
574 	return regmap_write(ts->regmap, QT1050_LPMODE, 2);  in qt1050_resume()