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From: Lars-Peter Clausen <lars@metafoo.de>
To: Anton Vorontsov <cbouatmailru@gmail.com>
Cc: Rodolfo Giometti <giometti@linux.it>,
Grazvydas Ignotas <notasas@gmail.com>,
linux-kernel@vger.kernel.org,
Lars-Peter Clausen <lars@metafoo.de>
Subject: [PATCH 13/14] POWER: bq27x00: Cleanup bq27x00_i2c_read
Date: Sun, 6 Feb 2011 01:48:10 +0100 [thread overview]
Message-ID: <1296953291-10373-14-git-send-email-lars@metafoo.de> (raw)
In-Reply-To: <1296953291-10373-1-git-send-email-lars@metafoo.de>
Some minor stylistic cleanups.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
drivers/power/bq27x00_battery.c | 45 ++++++++++++++++++++------------------
1 files changed, 24 insertions(+), 21 deletions(-)
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 83904a2..03d073c 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -558,36 +558,39 @@ 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 err, 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;
- err = i2c_transfer(client->adapter, msg, 1);
+ err = i2c_transfer(client->adapter, &msg, 1);
+
+ if (err < 0)
+ return err;
+
+ if (single)
+ msg.len = 1;
+ else
+ msg.len = 2;
+
+ msg.flags = I2C_M_RD;
+ err = i2c_transfer(client->adapter, &msg, 1);
+ if (err < 0)
+ return err;
+
+ if (!single)
+ ret = get_unaligned_le16(data);
+ else
+ ret = data[0];
- if (err >= 0) {
- if (!single)
- msg->len = 2;
- else
- msg->len = 1;
-
- msg->flags = I2C_M_RD;
- err = i2c_transfer(client->adapter, msg, 1);
- if (err >= 0) {
- if (!single)
- ret = get_unaligned_le16(data);
- else
- ret = data[0];
- }
- }
return ret;
}
--
1.7.2.3
next prev parent reply other threads:[~2011-02-06 19:34 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-06 0:47 [PATCH 00/14] POWER: BQ27x00: New Properties, fixes, bq27000 support Lars-Peter Clausen
2011-02-06 0:47 ` [PATCH 01/14] POWER: bq27x00: Add type property Lars-Peter Clausen
2011-02-06 16:43 ` Rodolfo Giometti
2011-02-06 0:47 ` [PATCH 02/14] POWER: bq27x00: Improve temperature precession Lars-Peter Clausen
2011-02-07 8:06 ` Rodolfo Giometti
2011-02-06 0:48 ` [PATCH 03/14] POWER: bq27x00: Fix current now property Lars-Peter Clausen
2011-02-07 8:07 ` Rodolfo Giometti
2011-02-06 0:48 ` [PATCH 04/14] POWER: bq27x00: Return -ENODEV for properties if the battery is not present Lars-Peter Clausen
2011-02-06 16:40 ` Rodolfo Giometti
2011-02-06 0:48 ` [PATCH 05/14] POWER: bq27x00: Prepare code for addition of bq27000 platform driver Lars-Peter Clausen
2011-02-07 8:09 ` Rodolfo Giometti
2011-02-06 0:48 ` [PATCH 06/14] POWER: bq27x00: Add bq27000 support Lars-Peter Clausen
2011-02-06 0:48 ` [PATCH 07/14] POWER: bq27X00: Cache battery registers Lars-Peter Clausen
2011-02-06 0:48 ` [PATCH 08/14] POWER: bq27x00: Poll battery state Lars-Peter Clausen
2011-02-06 0:48 ` [PATCH 09/14] POWER: bq27x00: Add new properties Lars-Peter Clausen
2011-02-06 0:48 ` [PATCH 10/14] POWER: bq27x00: Add MODULE_DEVICE_TABLE Lars-Peter Clausen
2011-02-06 16:49 ` Rodolfo Giometti
2011-02-06 0:48 ` [PATCH 11/14] POWER: bq27x00: Give more specific reports on battery status Lars-Peter Clausen
2011-02-06 16:38 ` Rodolfo Giometti
2011-02-06 0:48 ` [PATCH 12/14] POWER: bq27x00: Minor cleanups Lars-Peter Clausen
2011-02-06 0:48 ` Lars-Peter Clausen [this message]
2011-02-06 0:48 ` [PATCH 14/14] POWER: Ignore -ENODATA errors when generating a uevent Lars-Peter Clausen
2011-02-06 22:47 ` [PATCH 00/14] POWER: BQ27x00: New Properties, fixes, bq27000 support Felipe Contreras
2011-02-06 23:09 ` Lars-Peter Clausen
2011-02-07 0:00 ` Felipe Contreras
2011-02-07 0:12 ` Lars-Peter Clausen
2011-02-07 10:52 ` Pali Rohár
2011-02-07 0:58 ` Grazvydas Ignotas
2011-02-07 1:30 ` Lars-Peter Clausen
2011-02-08 11:40 ` Grazvydas Ignotas
2011-02-08 16:13 ` Lars-Peter Clausen
2011-02-08 16:28 ` Anton Vorontsov
2011-02-08 17:09 ` Lars-Peter Clausen
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