diff options
Diffstat (limited to 'drivers/power/supply/ltc2941-battery-gauge.c')
| -rw-r--r-- | drivers/power/supply/ltc2941-battery-gauge.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c index 4adf2ba021ce..7efb908f4451 100644 --- a/drivers/power/supply/ltc2941-battery-gauge.c +++ b/drivers/power/supply/ltc2941-battery-gauge.c @@ -9,6 +9,7 @@ */ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/swab.h> @@ -61,7 +62,7 @@ struct ltc294x_info { struct power_supply *supply; /* Supply pointer */ struct power_supply_desc supply_desc; /* Supply description */ struct delayed_work work; /* Work scheduler */ - int num_regs; /* Number of registers (chip type) */ + unsigned long num_regs; /* Number of registers (chip type) */ int charge; /* Last charge register content */ int r_sense; /* mOhm */ int Qlsb; /* nAh */ @@ -387,7 +388,7 @@ static int ltc294x_i2c_probe(struct i2c_client *client, np = of_node_get(client->dev.of_node); - info->num_regs = id->driver_data; + info->num_regs = (unsigned long)of_device_get_match_data(&client->dev); info->supply_desc.name = np->name; /* r_sense can be negative, when sense+ is connected to the battery @@ -497,9 +498,23 @@ static const struct i2c_device_id ltc294x_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, ltc294x_i2c_id); +static const struct of_device_id ltc294x_i2c_of_match[] = { + { + .compatible = "lltc,ltc2941", + .data = (void *)LTC2941_NUM_REGS + }, + { + .compatible = "lltc,ltc2943", + .data = (void *)LTC2943_NUM_REGS + }, + { }, +}; +MODULE_DEVICE_TABLE(of, ltc294x_i2c_of_match); + static struct i2c_driver ltc294x_driver = { .driver = { .name = "LTC2941", + .of_match_table = ltc294x_i2c_of_match, .pm = LTC294X_PM_OPS, }, .probe = ltc294x_i2c_probe, |