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0fefd25c0c
A temperature polling task is added to achieve temporal correction and also reduce the latency of reading temperature. Factor out sensor specific part to keep code clean. Signed-off-by: Vic Yang <victoryang@chromium.org> BUG=chrome-os-partner:7801 TEST=On link, 'temps' shows all temperature readings. Cover each sensor with hand and see object temperature rise. Compilation succeeded on bds/adv/daisy/discovery. Change-Id: I3c44c8b2e3ab2aa9ce640d3fc25e7fba56534b86
22 lines
544 B
C
22 lines
544 B
C
/* Copyright (c) 2012 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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/* Temperature sensor module for LM4 chip */
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#ifndef __CHIP_TEMP_SENSOR_H
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#define __CHIP_TEMP_SENSOR_H
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struct temp_sensor_t;
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/* Temperature polling function. */
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int chip_temp_sensor_poll(void);
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/* Temperature reading function. Return temperature in K. */
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int chip_temp_sensor_get_val(int idx);
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int chip_temp_sensor_init(void);
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#endif /* __CHIP_TEMP_SENSOR_H */
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