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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-03-23 17:18:27 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-03-23 17:18:27 +0100 |
| commit | 188933ac139a6f8ab06cad369bd0200af947b00d (patch) | |
| tree | c4c107528fcf6b82e32a93b0596e13eea7aa9385 /drivers/hwmon/ad7314.c | |
| parent | Input: sun4i-ts - allow controlling filter and sensitivity via DT (diff) | |
| parent | Linux 4.0-rc5 (diff) | |
| download | linux-188933ac139a6f8ab06cad369bd0200af947b00d.tar.xz linux-188933ac139a6f8ab06cad369bd0200af947b00d.zip | |
Merge tag 'v4.0-rc5' into next
Merge with the latest upstream to synchronize Synaptics changes
and bring in new infrastructure pieces.
Conflicts:
drivers/input/mouse/synaptics.c
Diffstat (limited to 'drivers/hwmon/ad7314.c')
| -rw-r--r-- | drivers/hwmon/ad7314.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c index f4f9b219bf16..11955467fc0f 100644 --- a/drivers/hwmon/ad7314.c +++ b/drivers/hwmon/ad7314.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> +#include <linux/bitops.h> /* * AD7314 temperature masks @@ -67,7 +68,7 @@ static ssize_t ad7314_show_temperature(struct device *dev, switch (spi_get_device_id(chip->spi_dev)->driver_data) { case ad7314: data = (ret & AD7314_TEMP_MASK) >> AD7314_TEMP_SHIFT; - data = (data << 6) >> 6; + data = sign_extend32(data, 9); return sprintf(buf, "%d\n", 250 * data); case adt7301: @@ -78,7 +79,7 @@ static ssize_t ad7314_show_temperature(struct device *dev, * register. 1lsb - 31.25 milli degrees centigrade */ data = ret & ADT7301_TEMP_MASK; - data = (data << 2) >> 2; + data = sign_extend32(data, 13); return sprintf(buf, "%d\n", DIV_ROUND_CLOSEST(data * 3125, 100)); |