From: Lars-Peter Clausen <lars@metafoo.de>
To: Anton Vorontsov <cbouatmailru@gmail.com>
Cc: Pali Rohar <pali.rohar@gmail.com>,
Rodolfo Giometti <giometti@linux.it>,
Grazvydas Ignotas <notasas@gmail.com>,
linux-kernel@vger.kernel.org,
Lars-Peter Clausen <lars@metafoo.de>
Subject: [PATCH v3 15/16] bq27x00: Cleanup bq27x00_i2c_read
Date: Tue, 22 Feb 2011 07:38:00 +0100 [thread overview]
Message-ID: <1298356681-8317-16-git-send-email-lars@metafoo.de> (raw)
In-Reply-To: <1298356681-8317-1-git-send-email-lars@metafoo.de>
Some minor stylistic cleanups.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
---
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 b44555f..740a0ac 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -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)
+ 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];
- if (ret >= 0) {
- if (!single)
- msg->len = 2;
- else
- msg->len = 1;
-
- 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;
}
--
1.7.2.3
next prev parent reply other threads:[~2011-02-22 6:43 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-22 6:37 [PATCH v3 00/16] bq27x00: New Properties, fixes, bq27000 support Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 01/16] power_supply: Ignore -ENODATA errors when generating uevents Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 02/16] power_suply: Initialize changed_work before calling device_add Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 03/16] bq27x00: Add type property Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 04/16] bq27x00: Improve temperature property precession Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 05/16] bq27x00: Fix CURRENT_NOW property Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 06/16] bq27x00: Return -ENODEV for properties if the battery is not present Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 07/16] bq27x00: Prepare code for addition of bq27000 platform driver Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 08/16] bq27x00: Add bq27000 support Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 09/16] bq27x00: Cache battery registers Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 10/16] bq27x00: Poll battery state Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 11/16] bq27x00: Add new properties Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 12/16] bq27x00: Add MODULE_DEVICE_TABLE Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 13/16] bq27x00: Give more specific reports on battery status Lars-Peter Clausen
2011-02-22 6:37 ` [PATCH v3 14/16] bq27x00: Minor cleanups Lars-Peter Clausen
2011-02-22 6:38 ` Lars-Peter Clausen [this message]
2011-02-22 6:38 ` [PATCH v3 16/16] bq27x00: Use single i2c_transfer call for property read Lars-Peter Clausen
2011-02-22 9:45 ` [PATCH v3 00/16] bq27x00: New Properties, fixes, bq27000 support Anton Vorontsov
2011-02-22 10:07 ` Lars-Peter Clausen
2011-02-28 14:38 ` Anton Vorontsov
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