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b2bc8aaa20
This lets us read the internal and external temp values. More functionality to come once we figure out what is needed. BUG=chrome-os-partner:20432 BRANCH=falco,peppy TEST=run ec 'temps' command on Falco and Peppy. Signed-off-by: Dave Parker <dparker@chromium.org> Change-Id: I4f452f438e0a158dc8b34901e3faad3ce36d28b2 Reviewed-on: https://gerrit.chromium.org/gerrit/60145 Reviewed-by: Bill Richardson <wfrichar@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Commit-Queue: Dave Parker <dparker@chromium.org> Tested-by: Dave Parker <dparker@chromium.org>
29 lines
809 B
C
29 lines
809 B
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* G781 temperature sensor module for Chrome EC */
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#ifndef __CROS_EC_TEMP_SENSOR_G781_H
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#define __CROS_EC_TEMP_SENSOR_G781_H
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#define G781_I2C_ADDR 0x98 /* 7-bit address is 0x4C */
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/* Chip-specific commands */
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#define G781_TEMP_LOCAL 0x00
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#define G781_TEMP_REMOTE 0x01
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/**
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* Get the last polled value of a sensor.
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*
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* @param idx Index to read. Idx indicates whether to read die
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* temperature or external temperature.
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* @param temp_ptr Destination for temperature in K.
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*
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* @return EC_SUCCESS if successful, non-zero if error.
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*/
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int g781_get_val(int idx, int *temp_ptr);
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#endif /* __CROS_EC_TEMP_SENSOR_G781_H */
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