diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/ee1004.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/misc/eeprom/ee1004.c b/drivers/misc/eeprom/ee1004.c index fd12ce06a4d5..21feebc3044c 100644 --- a/drivers/misc/eeprom/ee1004.c +++ b/drivers/misc/eeprom/ee1004.c @@ -182,6 +182,22 @@ static struct bin_attribute *ee1004_attrs[] = { BIN_ATTRIBUTE_GROUPS(ee1004); +static void ee1004_probe_temp_sensor(struct i2c_client *client) +{ + struct i2c_board_info info = { .type = "jc42" }; + u8 byte14; + int ret; + + /* byte 14, bit 7 is set if temp sensor is present */ + ret = ee1004_eeprom_read(client, &byte14, 14, 1); + if (ret != 1 || !(byte14 & BIT(7))) + return; + + info.addr = 0x18 | (client->addr & 7); + + i2c_new_client_device(client->adapter, &info); +} + static void ee1004_cleanup(int idx, struct ee1004_bus_data *bd) { if (--bd->dev_count == 0) { @@ -234,6 +250,9 @@ static int ee1004_probe(struct i2c_client *client) dev_dbg(&client->dev, "Currently selected page: %d\n", err); bd->current_page = err; } + + ee1004_probe_temp_sensor(client); + mutex_unlock(&ee1004_bus_lock); dev_info(&client->dev, |