linux-imx
Public
Source
committed 5a4c060114818
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.19
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*/20
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/*22
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This file contains common code for encoding/decoding LM75 type23
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temperature readings, which are emulated by many of the chips24
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we support. As the user is unlikely to load more than one driver25
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which contains this code, we don't worry about the wasted space.26
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*/27
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#include <linux/hwmon.h>28
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#include <linux/kernel.h>29
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/* straight from the datasheet */31
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#define LM75_TEMP_MIN (-55000)32
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#define LM75_TEMP_MAX 12500033
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#define LM75_SHUTDOWN 0x0134
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/* TEMP: 0.001C/bit (-55C to +125C)36
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REG: (0.5C/bit, two's complement) << 7 */37
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static inline u16 LM75_TEMP_TO_REG(long temp)38
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{