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-rw-r--r--drivers/power/bq27x00_battery.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 740a0ac29dd1..59e68dbd028b 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -565,31 +565,26 @@ static DEFINE_MUTEX(battery_mutex);
static int bq27x00_read_i2c(struct bq27x00_device_info *di, u8 reg, bool single)
{
struct i2c_client *client = to_i2c_client(di->dev);
- struct i2c_msg msg;
+ struct i2c_msg msg[2];
unsigned char data[2];
int ret;
if (!client->adapter)
return -ENODEV;
- msg.addr = client->addr;
- msg.flags = 0;
- msg.len = 1;
- msg.buf = data;
-
- data[0] = reg;
- ret = i2c_transfer(client->adapter, &msg, 1);
-
- if (ret < 0)
- return ret;
-
+ msg[0].addr = client->addr;
+ msg[0].flags = 0;
+ msg[0].buf = &reg;
+ msg[0].len = sizeof(reg);
+ msg[1].addr = client->addr;
+ msg[1].flags = I2C_M_RD;
+ msg[1].buf = data;
if (single)
- msg.len = 1;
+ msg[1].len = 1;
else
- msg.len = 2;
+ msg[1].len = 2;
- msg.flags = I2C_M_RD;
- ret = i2c_transfer(client->adapter, &msg, 1);
+ ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
if (ret < 0)
return ret;