131 	int error;  in drv2667_set_waveform_freq()  local
143 	error = regmap_read(haptics->regmap, DRV2667_PAGE, &read_buf);  in drv2667_set_waveform_freq()
144 	if (error) {  in drv2667_set_waveform_freq()
146 			"Failed to read the page number: %d\n", error);  in drv2667_set_waveform_freq()
152 		error = regmap_write(haptics->regmap,  in drv2667_set_waveform_freq()
154 		if (error) {  in drv2667_set_waveform_freq()
156 				"Failed to set the page: %d\n", error);  in drv2667_set_waveform_freq()
161 	error = regmap_write(haptics->regmap, DRV2667_RAM_FREQ,	freq);  in drv2667_set_waveform_freq()
162 	if (error)  in drv2667_set_waveform_freq()
164 				"Failed to set the frequency: %d\n", error);  in drv2667_set_waveform_freq()
169 		error = regmap_write(haptics->regmap, DRV2667_PAGE, read_buf);  in drv2667_set_waveform_freq()
170 		if (error) {  in drv2667_set_waveform_freq()
172 				"Failed to set the page: %d\n", error);  in drv2667_set_waveform_freq()
177 	return error;  in drv2667_set_waveform_freq()
183 	int error;  in drv2667_worker()  local
186 		error = regmap_write(haptics->regmap,  in drv2667_worker()
188 		if (error) {  in drv2667_worker()
190 				"Failed to set the page: %d\n", error);  in drv2667_worker()
194 		error = regmap_write(haptics->regmap, DRV2667_RAM_AMP,  in drv2667_worker()
196 		if (error) {  in drv2667_worker()
198 				"Failed to set the amplitude: %d\n", error);  in drv2667_worker()
202 		error = regmap_write(haptics->regmap,  in drv2667_worker()
204 		if (error) {  in drv2667_worker()
206 				"Failed to set the page: %d\n", error);  in drv2667_worker()
210 		error = regmap_write(haptics->regmap,  in drv2667_worker()
212 		if (error) {  in drv2667_worker()
214 				"Failed to set the GO bit: %d\n", error);  in drv2667_worker()
217 		error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,  in drv2667_worker()
219 		if (error) {  in drv2667_worker()
221 				"Failed to unset the GO bit: %d\n", error);  in drv2667_worker()
246 	int error;  in drv2667_close()  local
250 	error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,  in drv2667_close()
252 	if (error)  in drv2667_close()
254 			"Failed to enter standby mode: %d\n", error);  in drv2667_close()
278 	int error;  in drv2667_init()  local
284 	error = regmap_register_patch(haptics->regmap,  in drv2667_init()
287 	if (error) {  in drv2667_init()
290 			error);  in drv2667_init()
291 		return error;  in drv2667_init()
294 	error = regmap_write(haptics->regmap, DRV2667_PAGE, haptics->page);  in drv2667_init()
295 	if (error) {  in drv2667_init()
297 			error);  in drv2667_init()
301 	error = drv2667_set_waveform_freq(haptics);  in drv2667_init()
302 	if (error)  in drv2667_init()
305 	error = regmap_register_patch(haptics->regmap,  in drv2667_init()
308 	if (error) {  in drv2667_init()
311 			error);  in drv2667_init()
312 		return error;  in drv2667_init()
315 	error = regmap_write(haptics->regmap, DRV2667_PAGE, DRV2667_PAGE_0);  in drv2667_init()
316 	return error;  in drv2667_init()
321 	return error;  in drv2667_init()
338 	int error;  in drv2667_probe()  local
346 		error = PTR_ERR(haptics->regulator);  in drv2667_probe()
348 			"unable to get regulator, error: %d\n", error);  in drv2667_probe()
349 		return error;  in drv2667_probe()
364 	error = input_ff_create_memless(haptics->input_dev, NULL,  in drv2667_probe()
366 	if (error) {  in drv2667_probe()
368 			error);  in drv2667_probe()
369 		return error;  in drv2667_probe()
379 		error = PTR_ERR(haptics->regmap);  in drv2667_probe()
381 			error);  in drv2667_probe()
382 		return error;  in drv2667_probe()
385 	error = drv2667_init(haptics);  in drv2667_probe()
386 	if (error) {  in drv2667_probe()
387 		dev_err(&client->dev, "Device init failed: %d\n", error);  in drv2667_probe()
388 		return error;  in drv2667_probe()
391 	error = input_register_device(haptics->input_dev);  in drv2667_probe()
392 	if (error) {  in drv2667_probe()
394 			error);  in drv2667_probe()
395 		return error;  in drv2667_probe()