52 static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf)  in w1_ds2438_get_page()  argument
62 		if (w1_reset_select_slave(sl))  in w1_ds2438_get_page()
66 		w1_write_block(sl->master, w1_buf, 2);  in w1_ds2438_get_page()
68 		if (w1_reset_select_slave(sl))  in w1_ds2438_get_page()
72 		w1_write_block(sl->master, w1_buf, 2);  in w1_ds2438_get_page()
74 		count = w1_read_block(sl->master, buf, DS2438_PAGE_SIZE + 1);  in w1_ds2438_get_page()
86 static int w1_ds2438_get_temperature(struct w1_slave *sl, int16_t *temperature)  in w1_ds2438_get_temperature()  argument
94 	mutex_lock(&sl->master->bus_mutex);  in w1_ds2438_get_temperature()
97 		if (w1_reset_select_slave(sl))  in w1_ds2438_get_temperature()
99 		w1_write_8(sl->master, W1_DS2438_CONVERT_TEMP);  in w1_ds2438_get_temperature()
101 		mutex_unlock(&sl->master->bus_mutex);  in w1_ds2438_get_temperature()
108 		if (mutex_lock_interruptible(&sl->master->bus_mutex) != 0) {  in w1_ds2438_get_temperature()
116 	if (w1_ds2438_get_page(sl, 0, w1_buf) == 0) {  in w1_ds2438_get_temperature()
122 	mutex_unlock(&sl->master->bus_mutex);  in w1_ds2438_get_temperature()
128 static int w1_ds2438_change_config_bit(struct w1_slave *sl, u8 mask, u8 value)  in w1_ds2438_change_config_bit()  argument
136 		if (w1_reset_select_slave(sl))  in w1_ds2438_change_config_bit()
140 		w1_write_block(sl->master, w1_buf, 2);  in w1_ds2438_change_config_bit()
142 		if (w1_reset_select_slave(sl))  in w1_ds2438_change_config_bit()
146 		w1_write_block(sl->master, w1_buf, 2);  in w1_ds2438_change_config_bit()
149 		status = w1_read_8(sl->master);  in w1_ds2438_change_config_bit()
168 			if (w1_reset_select_slave(sl))  in w1_ds2438_change_config_bit()
173 			w1_write_block(sl->master, w1_buf, 3);  in w1_ds2438_change_config_bit()
175 			if (w1_reset_select_slave(sl))  in w1_ds2438_change_config_bit()
179 			w1_write_block(sl->master, w1_buf, 2);  in w1_ds2438_change_config_bit()
187 static int w1_ds2438_get_voltage(struct w1_slave *sl,  in w1_ds2438_get_voltage()  argument
196 	mutex_lock(&sl->master->bus_mutex);  in w1_ds2438_get_voltage()
198 	if (w1_ds2438_change_config_bit(sl, DS2438_STATUS_AD, adc_input)) {  in w1_ds2438_get_voltage()
204 		if (w1_reset_select_slave(sl))  in w1_ds2438_get_voltage()
206 		w1_write_8(sl->master, W1_DS2438_CONVERT_VOLTAGE);  in w1_ds2438_get_voltage()
208 		mutex_unlock(&sl->master->bus_mutex);  in w1_ds2438_get_voltage()
215 		if (mutex_lock_interruptible(&sl->master->bus_mutex) != 0) {  in w1_ds2438_get_voltage()
223 	if (w1_ds2438_get_page(sl, 0, w1_buf) == 0) {  in w1_ds2438_get_voltage()
230 	mutex_unlock(&sl->master->bus_mutex);  in w1_ds2438_get_voltage()
236 static int w1_ds2438_get_current(struct w1_slave *sl, int16_t *voltage)  in w1_ds2438_get_current()  argument
241 	mutex_lock(&sl->master->bus_mutex);  in w1_ds2438_get_current()
243 	if (w1_ds2438_get_page(sl, 0, w1_buf) == 0) {  in w1_ds2438_get_current()
250 	mutex_unlock(&sl->master->bus_mutex);  in w1_ds2438_get_current()
259 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in iad_write()  local
265 	mutex_lock(&sl->master->bus_mutex);  in iad_write()
267 	if (w1_ds2438_change_config_bit(sl, DS2438_STATUS_IAD, *buf & 0x01) == 0)  in iad_write()
272 	mutex_unlock(&sl->master->bus_mutex);  in iad_write()
281 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in iad_read()  local
290 	if (w1_ds2438_get_current(sl, &voltage) == 0) {  in iad_read()
302 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in page0_read()  local
311 	mutex_lock(&sl->master->bus_mutex);  in page0_read()
317 	if (w1_ds2438_get_page(sl, 0, w1_buf) == 0) {  in page0_read()
323 	mutex_unlock(&sl->master->bus_mutex);  in page0_read()
332 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in temperature_read()  local
341 	if (w1_ds2438_get_temperature(sl, &temp) == 0) {  in temperature_read()
353 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in vad_read()  local
362 	if (w1_ds2438_get_voltage(sl, DS2438_ADC_INPUT_VAD, &voltage) == 0) {  in vad_read()
374 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in vdd_read()  local
383 	if (w1_ds2438_get_voltage(sl, DS2438_ADC_INPUT_VDD, &voltage) == 0) {  in vdd_read()