27 static const unsigned short normal_i2c[] = { 0x2a, 0x4c, 0x4d, 0x4e, 0x4f,
33 #define TMP421_STATUS_REG			0x08
34 #define TMP421_CONFIG_REG_1			0x09
35 #define TMP421_CONVERSION_RATE_REG		0x0B
36 #define TMP421_MANUFACTURER_ID_REG		0xFE
37 #define TMP421_DEVICE_ID_REG			0xFF
39 static const u8 TMP421_TEMP_MSB[4]		= { 0x00, 0x01, 0x02, 0x03 };
40 static const u8 TMP421_TEMP_LSB[4]		= { 0x10, 0x11, 0x12, 0x13 };
43 #define TMP421_CONFIG_SHUTDOWN			0x40
44 #define TMP421_CONFIG_RANGE			0x04
47 #define TMP421_MANUFACTURER_ID			0x55
48 #define TMP421_DEVICE_ID			0x21
49 #define TMP422_DEVICE_ID			0x22
50 #define TMP423_DEVICE_ID			0x23
51 #define TMP441_DEVICE_ID			0x41
52 #define TMP442_DEVICE_ID			0x42
106 	int temp = reg & ~0xf;  in temp_from_s16()
114 	int temp = reg & ~0xf;  in temp_from_u16()
135 		for (i = 0; i < data->channels; i++) {  in tmp421_update_device()
161 		return 0;  in tmp421_read()
164 		 * The OPEN bit signals a fault. This is bit 0 of the temperature  in tmp421_read()
167 		*val = tmp421->temp[channel] & 0x01;  in tmp421_read()
168 		return 0;  in tmp421_read()
180 		if (channel == 0)  in tmp421_is_visible()
181 			return 0;  in tmp421_is_visible()
186 		return 0;  in tmp421_is_visible()
195 	i2c_smbus_write_byte_data(client, TMP421_CONVERSION_RATE_REG, 0x05);  in tmp421_init_client()
199 	if (config < 0) {  in tmp421_init_client()
213 	return 0;  in tmp421_init_client()
236 	if (reg & 0xf8)  in tmp421_detect()
240 	if (reg & 0x7f)  in tmp421_detect()
249 		if (addr == 0x2a)  in tmp421_detect()
254 		if (addr != 0x4c && addr != 0x4d)  in tmp421_detect()
262 		if (addr != 0x4c && addr != 0x4d)  in tmp421_detect()
271 	dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n",  in tmp421_detect()
274 	return 0;  in tmp421_detect()
305 	for (i = 0; i < data->channels; i++)  in tmp421_probe()
311 	data->info[0] = &data->temp_info;  in tmp421_probe()