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hwmon: Use i2c_smbus_{read,write}_word_swapped

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Make use of the new i2c_smbus_{read,write}_word_swapped functions.
This makes the driver code more compact and readable. It also ensures
proper error handling.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Dirk Eibach <eibach@gdsys.de>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Guillaume Ligneul <guillaume.ligneul@gmail.com>
This commit is contained in:
Jean Delvare
2011-11-04 12:00:47 +01:00
committed by Jean Delvare
父節點 371f2e083b
當前提交 90f4102ce5
共有 19 個文件被更改，包括 115 次插入 和 234 次删除
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10
drivers/hwmon/w83781d.c
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@@ -1245,17 +1245,17 @@ w83781d_read_value_i2c(struct w83781d_data *data, u16 reg)
/* convert from ISA to LM75 I2C addresses */
switch (reg & 0xff) {
case 0x50: /* TEMP */
res = swab16(i2c_smbus_read_word_data(cl, 0));
res = i2c_smbus_read_word_swapped(cl, 0);
break;
case 0x52: /* CONFIG */
res = i2c_smbus_read_byte_data(cl, 1);
break;
case 0x53: /* HYST */
res = swab16(i2c_smbus_read_word_data(cl, 2));
res = i2c_smbus_read_word_swapped(cl, 2);
break;
case 0x55: /* OVER */
default:
res = swab16(i2c_smbus_read_word_data(cl, 3));
res = i2c_smbus_read_word_swapped(cl, 3);
break;
}
}
@@ -1289,10 +1289,10 @@ w83781d_write_value_i2c(struct w83781d_data *data, u16 reg, u16 value)
i2c_smbus_write_byte_data(cl, 1, value & 0xff);
break;
case 0x53: /* HYST */
i2c_smbus_write_word_data(cl, 2, swab16(value));
i2c_smbus_write_word_swapped(cl, 2, value);
break;
case 0x55: /* OVER */
i2c_smbus_write_word_data(cl, 3, swab16(value));
i2c_smbus_write_word_swapped(cl, 3, value);
break;
}
}