input/touchscreen/hynitron_cstxxx.c

16 #include <linux/err.h>
135 	int err;
142 	err = ret < 0 ? ret : -EIO;
144 		len, reg, err, ret);
146 	return err;
152 	int err;
160 	err = cst3xx_i2c_write(client, buf, 2);
161 	if (err)
162 		return err;
170 	err = cst3xx_i2c_read_register(client, CST3XX_FIRMWARE_CHK_CODE_REG,
172 	if (err)
173 		return err;
185 	err = cst3xx_i2c_read_register(client, CST3XX_FIRMWARE_VERSION_REG,
187 	if (err)
188 		return err;
200 	err = cst3xx_i2c_write(client, buf, 2);
201 	if (err)
202 		return err;
211 	int err;
220 		err = cst3xx_i2c_write(client, buf, 3);
221 		if (err)
227 		err = cst3xx_i2c_read_register(client,
230 		if (err)
261 	int err;
264 	err = cst3xx_i2c_write(client, buf, 3);
265 	if (err) {
267 			"send read touch info ending failed: %d\n", err);
268 		return err;
298 	int err;
301 	err = cst3xx_i2c_read_register(client, CST3XX_TOUCH_DATA_PART_REG,
303 	if (err ||
311 	err = cst3xx_finish_touch_read(client);
312 	if (err)
361 	int err;
394 	err = input_mt_init_slots(ts_data->input_dev,
397 	if (err) {
399 			"Failed to initialize input slots: %d\n", err);
400 		return err;
403 	err = input_register_device(ts_data->input_dev);
404 	if (err) {
406 			"Input device registration failed: %d\n", err);
407 		return err;
416 	int err;
431 	err = PTR_ERR_OR_ZERO(ts_data->reset_gpio);
432 	if (err) {
433 		dev_err(&client->dev, "request reset gpio failed: %d\n", err);
434 		return err;
439 	err = ts_data->chip->bootloader_enter(client);
440 	if (err < 0)
441 		return err;
443 	err = ts_data->chip->init_input(client);
444 	if (err < 0)
445 		return err;
447 	err = ts_data->chip->firmware_info(client);
448 	if (err < 0)
449 		return err;
451 	err = devm_request_threaded_irq(&client->dev, client->irq,
455 	if (err) {
456 		dev_err(&client->dev, "failed to request IRQ: %d\n", err);
457 		return err;