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bq27x00: Cleanup bq27x00_i2c_read

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Some minor stylistic cleanups.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
This commit is contained in:
Lars-Peter Clausen 2011-02-02 19:35:07 +01:00
parent bf7d414045
commit 2ec523a823
1 changed files with 23 additions and 20 deletions
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43
drivers/power/bq27x00_battery.c
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@ -565,36 +565,39 @@ 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[1];
struct i2c_msg msg;
unsigned char data[2];
int ret;
if (!client->adapter)
return -ENODEV;
msg->addr = client->addr;
msg->flags = 0;
msg->len = 1;
msg->buf = data;
msg.addr = client->addr;
msg.flags = 0;
msg.len = 1;
msg.buf = data;
data[0] = reg;
ret = i2c_transfer(client->adapter, msg, 1);
ret = i2c_transfer(client->adapter, &msg, 1);
if (ret >= 0) {
if (!single)
msg->len = 2;
else
msg->len = 1;
if (ret < 0)
return ret;
if (single)
msg.len = 1;
else
msg.len = 2;
msg.flags = I2C_M_RD;
ret = i2c_transfer(client->adapter, &msg, 1);
if (ret < 0)
return ret;
if (!single)
ret = get_unaligned_le16(data);
else
ret = data[0];
msg->flags = I2C_M_RD;
ret = i2c_transfer(client->adapter, msg, 1);
if (ret >= 0) {
if (!single)
ret = get_unaligned_le16(data);
else
ret = data[0];
}
}
return ret;
}