add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hwmon/lm75.h
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@@ -1,29 +1,15 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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-    lm75.h - Part of lm_sensors, Linux kernel modules for hardware
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-	      monitoring
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-    Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
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-
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-    This program is free software; you can redistribute it and/or modify
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-    it under the terms of the GNU General Public License as published by
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-    the Free Software Foundation; either version 2 of the License, or
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-    (at your option) any later version.
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-
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-    This program is distributed in the hope that it will be useful,
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-    GNU General Public License for more details.
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-
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-    You should have received a copy of the GNU General Public License
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-    along with this program; if not, write to the Free Software
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-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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-*/
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+ * lm75.h - Part of lm_sensors, Linux kernel modules for hardware monitoring
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+ * Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
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+ */
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 /*
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-    This file contains common code for encoding/decoding LM75 type
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-    temperature readings, which are emulated by many of the chips
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-    we support.  As the user is unlikely to load more than one driver
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-    which contains this code, we don't worry about the wasted space.
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-*/
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+ * This file contains common code for encoding/decoding LM75 type
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+ * temperature readings, which are emulated by many of the chips
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+ * we support.  As the user is unlikely to load more than one driver
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+ * which contains this code, we don't worry about the wasted space.
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+ */
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 #include <linux/kernel.h>
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..
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@@ -32,18 +18,23 @@
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 #define LM75_TEMP_MAX 125000
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 #define LM75_SHUTDOWN 0x01
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-/* TEMP: 0.001C/bit (-55C to +125C)
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-   REG: (0.5C/bit, two's complement) << 7 */
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+/*
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+ * TEMP: 0.001C/bit (-55C to +125C)
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+ * REG: (0.5C/bit, two's complement) << 7
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+ */
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 static inline u16 LM75_TEMP_TO_REG(long temp)
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 {
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 	int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX);
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+
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 	ntemp += (ntemp < 0 ? -250 : 250);
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 	return (u16)((ntemp / 500) << 7);
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 }
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 static inline int LM75_TEMP_FROM_REG(u16 reg)
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 {
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-	/* use integer division instead of equivalent right shift to
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-	   guarantee arithmetic shift and preserve the sign */
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+	/*
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+	 * use integer division instead of equivalent right shift to
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+	 * guarantee arithmetic shift and preserve the sign
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+	 */
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 	return ((s16)reg / 128) * 500;
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 }