219 	struct i2c_client	*client;  member
242 static s32 synaptics_i2c_reg_get(struct i2c_client *client, u16 reg)  in synaptics_i2c_reg_get()  argument
246 	ret = i2c_smbus_write_byte_data(client, PAGE_SEL_REG, reg >> 8);  in synaptics_i2c_reg_get()
248 		ret = i2c_smbus_read_byte_data(client, reg & 0xff);  in synaptics_i2c_reg_get()
253 static s32 synaptics_i2c_reg_set(struct i2c_client *client, u16 reg, u8 val)  in synaptics_i2c_reg_set()  argument
257 	ret = i2c_smbus_write_byte_data(client, PAGE_SEL_REG, reg >> 8);  in synaptics_i2c_reg_set()
259 		ret = i2c_smbus_write_byte_data(client, reg & 0xff, val);  in synaptics_i2c_reg_set()
264 static s32 synaptics_i2c_word_get(struct i2c_client *client, u16 reg)  in synaptics_i2c_word_get()  argument
268 	ret = i2c_smbus_write_byte_data(client, PAGE_SEL_REG, reg >> 8);  in synaptics_i2c_word_get()
270 		ret = i2c_smbus_read_word_data(client, reg & 0xff);  in synaptics_i2c_word_get()
275 static int synaptics_i2c_config(struct i2c_client *client)  in synaptics_i2c_config()  argument
281 	ret = synaptics_i2c_reg_set(client, DEV_CONTROL_REG, 0xc1);  in synaptics_i2c_config()
287 	ret = synaptics_i2c_reg_set(client, INTERRUPT_EN_REG, int_en);  in synaptics_i2c_config()
291 	control = synaptics_i2c_reg_get(client, GENERAL_2D_CONTROL_REG);  in synaptics_i2c_config()
298 	ret = synaptics_i2c_reg_set(client, GENERAL_2D_CONTROL_REG, control);  in synaptics_i2c_config()
305 static int synaptics_i2c_reset_config(struct i2c_client *client)  in synaptics_i2c_reset_config()  argument
310 	ret = synaptics_i2c_reg_set(client, DEV_COMMAND_REG, RESET_COMMAND);  in synaptics_i2c_reset_config()
312 		dev_err(&client->dev, "Unable to reset device\n");  in synaptics_i2c_reset_config()
315 		ret = synaptics_i2c_config(client);  in synaptics_i2c_reset_config()
317 			dev_err(&client->dev, "Unable to config device\n");  in synaptics_i2c_reset_config()
323 static int synaptics_i2c_check_error(struct i2c_client *client)  in synaptics_i2c_check_error()  argument
327 	status = i2c_smbus_read_byte_data(client, DEVICE_STATUS_REG) &  in synaptics_i2c_check_error()
331 		ret = synaptics_i2c_reset_config(client);  in synaptics_i2c_check_error()
344 	if (synaptics_i2c_check_error(touch->client))  in synaptics_i2c_get_input()
348 	data = synaptics_i2c_reg_get(touch->client, DATA_REG0);  in synaptics_i2c_get_input()
355 	xy_delta = synaptics_i2c_word_get(touch->client, REL_X_REG) & 0xffff;  in synaptics_i2c_get_input()
416 		synaptics_i2c_reset_config(touch->client);  in synaptics_i2c_check_params()
472 	ret = synaptics_i2c_reset_config(touch->client);  in synaptics_i2c_open()
488 		synaptics_i2c_reg_set(touch->client, INTERRUPT_EN_REG, 0);  in synaptics_i2c_close()
493 	synaptics_i2c_reg_set(touch->client, DEV_CONTROL_REG, DEEP_SLEEP);  in synaptics_i2c_close()
500 	input->name = touch->client->name;  in synaptics_i2c_set_input_params()
501 	input->phys = touch->client->adapter->name;  in synaptics_i2c_set_input_params()
503 	input->id.version = synaptics_i2c_word_get(touch->client,  in synaptics_i2c_set_input_params()
505 	input->dev.parent = &touch->client->dev;  in synaptics_i2c_set_input_params()
520 static struct synaptics_i2c *synaptics_i2c_touch_create(struct i2c_client *client)  in synaptics_i2c_touch_create()  argument
528 	touch->client = client;  in synaptics_i2c_touch_create()
538 static int synaptics_i2c_probe(struct i2c_client *client,  in synaptics_i2c_probe()  argument
544 	touch = synaptics_i2c_touch_create(client);  in synaptics_i2c_probe()
548 	ret = synaptics_i2c_reset_config(client);  in synaptics_i2c_probe()
552 	if (client->irq < 1)  in synaptics_i2c_probe()
564 		dev_dbg(&touch->client->dev,  in synaptics_i2c_probe()
565 			 "Requesting IRQ: %d\n", touch->client->irq);  in synaptics_i2c_probe()
567 		ret = request_irq(touch->client->irq, synaptics_i2c_irq,  in synaptics_i2c_probe()
571 			dev_warn(&touch->client->dev,  in synaptics_i2c_probe()
575 			synaptics_i2c_reg_set(touch->client,  in synaptics_i2c_probe()
581 		dev_dbg(&touch->client->dev,  in synaptics_i2c_probe()
587 		dev_err(&client->dev,  in synaptics_i2c_probe()
592 	i2c_set_clientdata(client, touch);  in synaptics_i2c_probe()
604 static int synaptics_i2c_remove(struct i2c_client *client)  in synaptics_i2c_remove()  argument
606 	struct synaptics_i2c *touch = i2c_get_clientdata(client);  in synaptics_i2c_remove()
609 		free_irq(client->irq, touch);  in synaptics_i2c_remove()
619 	struct i2c_client *client = to_i2c_client(dev);  in synaptics_i2c_suspend()  local
620 	struct synaptics_i2c *touch = i2c_get_clientdata(client);  in synaptics_i2c_suspend()
625 	synaptics_i2c_reg_set(touch->client, DEV_CONTROL_REG, DEEP_SLEEP);  in synaptics_i2c_suspend()
633 	struct i2c_client *client = to_i2c_client(dev);  in synaptics_i2c_resume()  local
634 	struct synaptics_i2c *touch = i2c_get_clientdata(client);  in synaptics_i2c_resume()
636 	ret = synaptics_i2c_reset_config(client);  in synaptics_i2c_resume()