130 	int value;  in dpot_read_spi()  local
140 			value = dpot_read_r8d8(dpot,  in dpot_read_spi()
144 				value = value >> 2;  in dpot_read_spi()
146 			return value;  in dpot_read_spi()
150 			value = dpot_read_r8d8(dpot,  in dpot_read_spi()
153 			if (value < 0)  in dpot_read_spi()
154 				return value;  in dpot_read_spi()
157 				value = value >> 2;  in dpot_read_spi()
159 			return value;  in dpot_read_spi()
177 	int value;  in dpot_read_i2c()  local
208 			value = dpot_read_r8d16(dpot,  in dpot_read_i2c()
211 			if (value < 0)  in dpot_read_i2c()
212 				return value;  in dpot_read_i2c()
217 			value = swab16(value);  in dpot_read_i2c()
220 				value = value >> 2;  in dpot_read_i2c()
221 		return value;  in dpot_read_i2c()
239 static s32 dpot_write_spi(struct dpot_data *dpot, u8 reg, u16 value)  in dpot_write_spi()  argument
245 			dpot->rdac_cache[reg & DPOT_RDAC_MASK] = value;  in dpot_write_spi()
251 					value;  in dpot_write_spi()
256 					value;  in dpot_write_spi()
270 					value = value << 2;  in dpot_write_spi()
274 					(value >> 8), value & 0xFF);  in dpot_write_spi()
282 					value = value << 2;  in dpot_write_spi()
286 					(value >> 8), value & 0xFF);  in dpot_write_spi()
321 		return dpot_write_r8d8(dpot, val, value);  in dpot_write_spi()
323 		return dpot_write_r8d16(dpot, val, value);  in dpot_write_spi()
328 static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)  in dpot_write_i2c()  argument
336 		return dpot_write_d8(dpot, value);  in dpot_write_i2c()
347 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
356 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
367 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
375 		return dpot_write_r8d8(dpot, ctrl, value);  in dpot_write_i2c()
386 			value = value << 2;  in dpot_write_i2c()
389 				       (value >> 8), value & 0xFF);  in dpot_write_i2c()
396 						((reg & 0x7) << 1), value);  in dpot_write_i2c()
399 			return dpot_write_r8d8(dpot, reg, value);  in dpot_write_i2c()
403 static s32 dpot_write(struct dpot_data *dpot, u8 reg, u16 value)  in dpot_write()  argument
406 		return dpot_write_spi(dpot, reg, value);  in dpot_write()
408 		return dpot_write_i2c(dpot, reg, value);  in dpot_write()
418 	s32 value;  in sysfs_show_reg()  local
427 	value = dpot_read(data, reg);  in sysfs_show_reg()
430 	if (value < 0)  in sysfs_show_reg()
441 		return sprintf(buf, "0x%04x\n", value & 0xFFFF);  in sysfs_show_reg()
443 		return sprintf(buf, "%u\n", value & data->rdac_mask);  in sysfs_show_reg()
451 	unsigned long value;  in sysfs_set_reg()  local
467 	err = kstrtoul(buf, 10, &value);  in sysfs_set_reg()
471 	if (value > data->rdac_mask)  in sysfs_set_reg()
472 		value = data->rdac_mask;  in sysfs_set_reg()
475 	dpot_write(data, reg, value);  in sysfs_set_reg()