139 	int error;  in drv2667_set_waveform_freq()  local
151 	error = regmap_read(haptics->regmap, DRV2667_PAGE, &read_buf);  in drv2667_set_waveform_freq()
152 	if (error) {  in drv2667_set_waveform_freq()
154 			"Failed to read the page number: %d\n", error);  in drv2667_set_waveform_freq()
160 		error = regmap_write(haptics->regmap,  in drv2667_set_waveform_freq()
162 		if (error) {  in drv2667_set_waveform_freq()
164 				"Failed to set the page: %d\n", error);  in drv2667_set_waveform_freq()
169 	error = regmap_write(haptics->regmap, DRV2667_RAM_FREQ,	freq);  in drv2667_set_waveform_freq()
170 	if (error)  in drv2667_set_waveform_freq()
172 				"Failed to set the frequency: %d\n", error);  in drv2667_set_waveform_freq()
177 		error = regmap_write(haptics->regmap, DRV2667_PAGE, read_buf);  in drv2667_set_waveform_freq()
178 		if (error) {  in drv2667_set_waveform_freq()
180 					"Failed to set the page: %d\n", error);  in drv2667_set_waveform_freq()
185 	return error;  in drv2667_set_waveform_freq()
191 	int error;  in drv2667_worker()  local
194 		error = regmap_write(haptics->regmap,  in drv2667_worker()
196 		if (error) {  in drv2667_worker()
198 				"Failed to set the page: %d\n", error);  in drv2667_worker()
202 		error = regmap_write(haptics->regmap, DRV2667_RAM_AMP,  in drv2667_worker()
204 		if (error) {  in drv2667_worker()
206 				"Failed to set the amplitude: %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 page: %d\n", error);  in drv2667_worker()
218 		error = regmap_write(haptics->regmap,  in drv2667_worker()
220 		if (error) {  in drv2667_worker()
222 				"Failed to set the GO bit: %d\n", error);  in drv2667_worker()
225 		error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,  in drv2667_worker()
227 		if (error) {  in drv2667_worker()
229 				"Failed to unset the GO bit: %d\n", error);  in drv2667_worker()
254 	int error;  in drv2667_close()  local
258 	error = regmap_update_bits(haptics->regmap, DRV2667_CTRL_2,  in drv2667_close()
260 	if (error)  in drv2667_close()
262 			"Failed to enter standby mode: %d\n", error);  in drv2667_close()
286 	int error;  in drv2667_init()  local
292 	error = regmap_register_patch(haptics->regmap,  in drv2667_init()
295 	if (error) {  in drv2667_init()
298 			error);  in drv2667_init()
299 		return error;  in drv2667_init()
302 	error = regmap_write(haptics->regmap, DRV2667_PAGE, haptics->page);  in drv2667_init()
303 	if (error) {  in drv2667_init()
305 			error);  in drv2667_init()
309 	error = drv2667_set_waveform_freq(haptics);  in drv2667_init()
310 	if (error)  in drv2667_init()
313 	error = regmap_register_patch(haptics->regmap,  in drv2667_init()
316 	if (error) {  in drv2667_init()
319 			error);  in drv2667_init()
320 		return error;  in drv2667_init()
323 	error = regmap_write(haptics->regmap, DRV2667_PAGE, DRV2667_PAGE_0);  in drv2667_init()
324 	return error;  in drv2667_init()
329 	return error;  in drv2667_init()
346 	int error;  in drv2667_probe()  local
354 		error = PTR_ERR(haptics->regulator);  in drv2667_probe()
356 			"unable to get regulator, error: %d\n", error);  in drv2667_probe()
357 		return error;  in drv2667_probe()
372 	error = input_ff_create_memless(haptics->input_dev, NULL,  in drv2667_probe()
374 	if (error) {  in drv2667_probe()
376 			error);  in drv2667_probe()
377 		return error;  in drv2667_probe()
387 		error = PTR_ERR(haptics->regmap);  in drv2667_probe()
389 			error);  in drv2667_probe()
390 		return error;  in drv2667_probe()
393 	error = drv2667_init(haptics);  in drv2667_probe()
394 	if (error) {  in drv2667_probe()
395 		dev_err(&client->dev, "Device init failed: %d\n", error);  in drv2667_probe()
396 		return error;  in drv2667_probe()
399 	error = input_register_device(haptics->input_dev);  in drv2667_probe()
400 	if (error) {  in drv2667_probe()
402 			error);  in drv2667_probe()
403 		return error;  in drv2667_probe()