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authorJean Delvare <khali@linux-fr.org>2009-12-09 20:35:57 +0100
committerJean Delvare <khali@linux-fr.org>2009-12-09 20:35:57 +0100
commit52df6440a29123eed912183fe785bbe174ef14b9 (patch)
tree3a3b9f4110d21c2ec4f5711444dd9cec6fb3d32c /drivers/hwmon/ads7828.c
parenta1fa4cdcc4abd4c02a81ab7052c16a342d29f060 (diff)
downloadop-kernel-dev-52df6440a29123eed912183fe785bbe174ef14b9.zip
op-kernel-dev-52df6440a29123eed912183fe785bbe174ef14b9.tar.gz
hwmon: Clean up detect functions
As kind is now hard-coded to -1, there is room for code clean-ups. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Corentin Labbe <corentin.labbe@geomatys.fr> Cc: "Mark M. Hoffman" <mhoffman@lightlink.com> Cc: Juerg Haefliger <juergh@gmail.com> Cc: Riku Voipio <riku.voipio@iki.fi> Acked-by: "Hans J. Koch" <hjk@linutronix.de> Cc: Rudolf Marek <r.marek@assembler.cz>
Diffstat (limited to 'drivers/hwmon/ads7828.c')
-rw-r--r--drivers/hwmon/ads7828.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index 5c39b4a..451977b 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -191,6 +191,7 @@ static int ads7828_detect(struct i2c_client *client, int kind,
struct i2c_board_info *info)
{
struct i2c_adapter *adapter = client->adapter;
+ int ch;
/* Check we have a valid client */
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA))
@@ -202,20 +203,17 @@ static int ads7828_detect(struct i2c_client *client, int kind,
- Read from the 8 channel addresses
- Check the top 4 bits of each result are not set (12 data bits)
*/
- if (kind < 0) {
- int ch;
- for (ch = 0; ch < ADS7828_NCH; ch++) {
- u16 in_data;
- u8 cmd = channel_cmd_byte(ch);
- in_data = ads7828_read_value(client, cmd);
- if (in_data & 0xF000) {
- printk(KERN_DEBUG
- "%s : Doesn't look like an ads7828 device\n",
- __func__);
- return -ENODEV;
- }
+ for (ch = 0; ch < ADS7828_NCH; ch++) {
+ u16 in_data;
+ u8 cmd = channel_cmd_byte(ch);
+ in_data = ads7828_read_value(client, cmd);
+ if (in_data & 0xF000) {
+ pr_debug("%s : Doesn't look like an ads7828 device\n",
+ __func__);
+ return -ENODEV;
}
}
+
strlcpy(info->type, "ads7828", I2C_NAME_SIZE);
return 0;
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