133 	int error;  in drv2667_set_waveform_freq()  local
145 	error = regmap_read(haptics->regmap, DRV2667_PAGE, &read_buf);  in drv2667_set_waveform_freq()
146 	if (error) {  in drv2667_set_waveform_freq()
148 			"Failed to read the page number: %d\n", error);  in drv2667_set_waveform_freq()
154 		error = regmap_write(haptics->regmap,  in drv2667_set_waveform_freq()
156 		if (error) {  in drv2667_set_waveform_freq()
158 				"Failed to set the page: %d\n", error);  in drv2667_set_waveform_freq()
163 	error = regmap_write(haptics->regmap, DRV2667_RAM_FREQ,	freq);  in drv2667_set_waveform_freq()
164 	if (error)  in drv2667_set_waveform_freq()
166 				"Failed to set the frequency: %d\n", error);  in drv2667_set_waveform_freq()
171 		error = regmap_write(haptics->regmap, DRV2667_PAGE, read_buf);  in drv2667_set_waveform_freq()
172 		if (error) {  in drv2667_set_waveform_freq()
174 				"Failed to set the page: %d\n", error);  in drv2667_set_waveform_freq()
179 	return error;  in drv2667_set_waveform_freq()
185 	int error;  in drv2667_worker()  local
188 		error = regmap_write(haptics->regmap,  in drv2667_worker()
190 		if (error) {  in drv2667_worker()
192 				"Failed to set the page: %d\n", error);  in drv2667_worker()
196 		error = regmap_write(haptics->regmap, DRV2667_RAM_AMP,  in drv2667_worker()
198 		if (error) {  in drv2667_worker()
200 				"Failed to set the amplitude: %d\n", error);  in drv2667_worker()
204 		error = regmap_write(haptics->regmap,  in drv2667_worker()
206 		if (error) {  in drv2667_worker()
208 				"Failed to set the page: %d\n", error);  in drv2667_worker()
212 		error = regmap_write(haptics->regmap,  in drv2667_worker()
214 		if (error) {  in drv2667_worker()
216 				"Failed to set the GO bit: %d\n", error);  in drv2667_worker()
219 		error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,  in drv2667_worker()
221 		if (error) {  in drv2667_worker()
223 				"Failed to unset the GO bit: %d\n", error);  in drv2667_worker()
248 	int error;  in drv2667_close()  local
252 	error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,  in drv2667_close()
254 	if (error)  in drv2667_close()
256 			"Failed to enter standby mode: %d\n", error);  in drv2667_close()
280 	int error;  in drv2667_init()  local
286 	error = regmap_register_patch(haptics->regmap,  in drv2667_init()
289 	if (error) {  in drv2667_init()
292 			error);  in drv2667_init()
293 		return error;  in drv2667_init()
296 	error = regmap_write(haptics->regmap, DRV2667_PAGE, haptics->page);  in drv2667_init()
297 	if (error) {  in drv2667_init()
299 			error);  in drv2667_init()
303 	error = drv2667_set_waveform_freq(haptics);  in drv2667_init()
304 	if (error)  in drv2667_init()
307 	error = regmap_register_patch(haptics->regmap,  in drv2667_init()
310 	if (error) {  in drv2667_init()
313 			error);  in drv2667_init()
314 		return error;  in drv2667_init()
317 	error = regmap_write(haptics->regmap, DRV2667_PAGE, DRV2667_PAGE_0);  in drv2667_init()
318 	return error;  in drv2667_init()
323 	return error;  in drv2667_init()
339 	int error;  in drv2667_probe()  local
347 		error = PTR_ERR(haptics->regulator);  in drv2667_probe()
349 			"unable to get regulator, error: %d\n", error);  in drv2667_probe()
350 		return error;  in drv2667_probe()
365 	error = input_ff_create_memless(haptics->input_dev, NULL,  in drv2667_probe()
367 	if (error) {  in drv2667_probe()
369 			error);  in drv2667_probe()
370 		return error;  in drv2667_probe()
380 		error = PTR_ERR(haptics->regmap);  in drv2667_probe()
382 			error);  in drv2667_probe()
383 		return error;  in drv2667_probe()
386 	error = drv2667_init(haptics);  in drv2667_probe()
387 	if (error) {  in drv2667_probe()
388 		dev_err(&client->dev, "Device init failed: %d\n", error);  in drv2667_probe()
389 		return error;  in drv2667_probe()
392 	error = input_register_device(haptics->input_dev);  in drv2667_probe()
393 	if (error) {  in drv2667_probe()
395 			error);  in drv2667_probe()
396 		return error;  in drv2667_probe()