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@@ -47,7 +47,7 @@ struct ad7314_data {
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u16 rx ____cacheline_aligned;
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u16 rx ____cacheline_aligned;
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};
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};
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-static int ad7314_spi_read(struct ad7314_data *chip, s16 *data)
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+static int ad7314_spi_read(struct ad7314_data *chip)
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{
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{
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int ret;
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int ret;
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@@ -57,9 +57,7 @@ static int ad7314_spi_read(struct ad7314_data *chip, s16 *data)
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return ret;
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return ret;
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}
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}
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- *data = be16_to_cpu(chip->rx);
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-
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- return ret;
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+ return be16_to_cpu(chip->rx);
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}
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}
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static ssize_t ad7314_show_temperature(struct device *dev,
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static ssize_t ad7314_show_temperature(struct device *dev,
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@@ -70,12 +68,12 @@ static ssize_t ad7314_show_temperature(struct device *dev,
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s16 data;
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s16 data;
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int ret;
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int ret;
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- ret = ad7314_spi_read(chip, &data);
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+ ret = ad7314_spi_read(chip);
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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switch (spi_get_device_id(chip->spi_dev)->driver_data) {
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switch (spi_get_device_id(chip->spi_dev)->driver_data) {
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case ad7314:
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case ad7314:
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- data = (data & AD7314_TEMP_MASK) >> AD7314_TEMP_OFFSET;
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+ data = (ret & AD7314_TEMP_MASK) >> AD7314_TEMP_OFFSET;
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data = (data << 6) >> 6;
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data = (data << 6) >> 6;
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return sprintf(buf, "%d\n", 250 * data);
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return sprintf(buf, "%d\n", 250 * data);
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@@ -86,7 +84,7 @@ static ssize_t ad7314_show_temperature(struct device *dev,
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* with a sign bit - which is a 14 bit 2's complement
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* with a sign bit - which is a 14 bit 2's complement
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* register. 1lsb - 31.25 milli degrees centigrade
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* register. 1lsb - 31.25 milli degrees centigrade
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*/
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*/
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- data &= ADT7301_TEMP_MASK;
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+ data = ret & ADT7301_TEMP_MASK;
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data = (data << 2) >> 2;
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data = (data << 2) >> 2;
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return sprintf(buf, "%d\n",
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return sprintf(buf, "%d\n",
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