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authorJohn W. Linville <linville@tuxdriver.com>2011-11-22 14:05:46 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-11-22 14:05:46 -0500
commit515db09338704a6ad7d27b5f1e33820d3052edd2 (patch)
tree74f915531710303397d34069b325c2be7a5ac93c /drivers/hwmon/ads7828.c
parent30be52e44fd4276d768efffb55d424fb682e6505 (diff)
parentcfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts: drivers/net/wireless/iwlegacy/iwl-debugfs.c drivers/net/wireless/iwlegacy/iwl-rx.c drivers/net/wireless/iwlegacy/iwl-scan.c drivers/net/wireless/iwlegacy/iwl-tx.c include/net/bluetooth/bluetooth.h
Diffstat (limited to 'drivers/hwmon/ads7828.c')
-rw-r--r--drivers/hwmon/ads7828.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index c42c5a69a664..cfcc3b6fb6bf 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -74,13 +74,6 @@ static int ads7828_detect(struct i2c_client *client,
static int ads7828_probe(struct i2c_client *client,
const struct i2c_device_id *id);
-/* The ADS7828 returns the 12-bit sample in two bytes,
- these are read as a word then byte-swapped */
-static u16 ads7828_read_value(struct i2c_client *client, u8 reg)
-{
- return swab16(i2c_smbus_read_word_data(client, reg));
-}
-
static inline u8 channel_cmd_byte(int ch)
{
/* cmd byte C2,C1,C0 - see datasheet */
@@ -104,7 +97,8 @@ static struct ads7828_data *ads7828_update_device(struct device *dev)
for (ch = 0; ch < ADS7828_NCH; ch++) {
u8 cmd = channel_cmd_byte(ch);
- data->adc_input[ch] = ads7828_read_value(client, cmd);
+ data->adc_input[ch] =
+ i2c_smbus_read_word_swapped(client, cmd);
}
data->last_updated = jiffies;
data->valid = 1;
@@ -203,7 +197,7 @@ static int ads7828_detect(struct i2c_client *client,
for (ch = 0; ch < ADS7828_NCH; ch++) {
u16 in_data;
u8 cmd = channel_cmd_byte(ch);
- in_data = ads7828_read_value(client, cmd);
+ in_data = i2c_smbus_read_word_swapped(client, cmd);
if (in_data & 0xF000) {
pr_debug("%s : Doesn't look like an ads7828 device\n",
__func__);