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@ -1,25 +1,25 @@ |
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/*
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adm1031.c - Part of lm_sensors, Linux kernel modules for hardware |
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monitoring |
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Based on lm75.c and lm85.c |
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Supports adm1030 / adm1031 |
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Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org> |
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Reworked by Jean Delvare <khali@linux-fr.org> |
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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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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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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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* adm1031.c - Part of lm_sensors, Linux kernel modules for hardware |
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* monitoring |
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* Based on lm75.c and lm85.c |
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* Supports adm1030 / adm1031 |
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* Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org> |
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* Reworked by Jean Delvare <khali@linux-fr.org> |
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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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#include <linux/module.h> |
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#include <linux/init.h> |
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@ -80,7 +80,8 @@ struct adm1031_data { |
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char valid; /* !=0 if following fields are valid */ |
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unsigned long last_updated; /* In jiffies */ |
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unsigned int update_interval; /* In milliseconds */ |
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/* The chan_select_table contains the possible configurations for
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/*
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* The chan_select_table contains the possible configurations for |
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* auto fan control. |
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*/ |
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const auto_chan_table_t *chan_select_table; |
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@ -205,7 +206,8 @@ static int AUTO_TEMP_MAX_TO_REG(int val, int reg, int pwm) |
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#define GET_FAN_AUTO_BITFIELD(data, idx) \ |
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(*(data)->chan_select_table)[FAN_CHAN_FROM_REG((data)->conf1)][idx % 2] |
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/* The tables below contains the possible values for the auto fan
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/*
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* The tables below contains the possible values for the auto fan |
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* control bitfields. the index in the table is the register value. |
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* MSb is the auto fan control enable bit, so the four first entries |
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* in the table disables auto fan control when both bitfields are zero. |
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@ -226,7 +228,8 @@ static const auto_chan_table_t auto_channel_select_table_adm1030 = { |
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{ 3 /* 0b11 */ , 0 }, |
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}; |
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/* That function checks if a bitfield is valid and returns the other bitfield
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/*
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* That function checks if a bitfield is valid and returns the other bitfield |
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* nearest match if no exact match where found. |
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*/ |
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static int |
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@ -252,7 +255,8 @@ get_fan_auto_nearest(struct adm1031_data *data, |
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break; |
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} else if (val == (*data->chan_select_table)[i][chan] && |
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first_match == -1) { |
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/* Save the first match in case of an exact match has
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/*
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* Save the first match in case of an exact match has |
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* not been found |
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*/ |
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first_match = i; |
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@ -306,9 +310,11 @@ set_fan_auto_channel(struct device *dev, struct device_attribute *attr, |
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if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) ^ |
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(old_fan_mode & ADM1031_CONF1_AUTO_MODE)) { |
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if (data->conf1 & ADM1031_CONF1_AUTO_MODE) { |
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/* Switch to Auto Fan Mode
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/*
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* Switch to Auto Fan Mode |
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* Save PWM registers |
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* Set PWM registers to 33% Both */ |
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* Set PWM registers to 33% Both |
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*/ |
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data->old_pwm[0] = data->pwm[0]; |
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data->old_pwm[1] = data->pwm[1]; |
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adm1031_write_value(client, ADM1031_REG_PWM, 0x55); |
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