Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/hwmon/adm1026.c | 91 +++++++++++++++++++++++++++------------------- 1 files changed, 53 insertions(+), 38 deletions(-) diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index cd773ce..7575630 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -1,27 +1,27 @@ /* - adm1026.c - Part of lm_sensors, Linux kernel modules for hardware - monitoring - Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@xxxxxxxxxxxxxxxxxxxx> - Copyright (C) 2004 Justin Thiessen <jthiessen@xxxxxxxxxxxxxxxxxxxx> - - Chip details at: - - <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ + * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware + * monitoring + * Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@xxxxxxxxxxxxxxxxxxxx> + * Copyright (C) 2004 Justin Thiessen <jthiessen@xxxxxxxxxxxxxxxxxxxx> + * + * Chip details at: + * + * <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ #include <linux/module.h> #include <linux/init.h> @@ -90,7 +90,8 @@ MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs"); #define E2CFG_ROM 0x08 #define E2CFG_CLK_EXT 0x80 -/* There are 10 general analog inputs and 7 dedicated inputs +/* + * There are 10 general analog inputs and 7 dedicated inputs * They are: * 0 - 9 = AIN0 - AIN9 * 10 = Vbat @@ -117,7 +118,8 @@ static u16 ADM1026_REG_IN_MAX[] = { 0x43, 0x44, 0x45, 0x46, 0x47 }; -/* Temperatures are: +/* + * Temperatures are: * 0 - Internal * 1 - External 1 * 2 - External 2 @@ -170,12 +172,14 @@ static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f }; #define ADM1026_FAN_CONTROL_TEMP_RANGE 20 #define ADM1026_PWM_MAX 255 -/* Conversions. Rounding and limit checking is only done on the TO_REG +/* + * Conversions. Rounding and limit checking is only done on the TO_REG * variants. Note that you should be a bit careful with which arguments * these macros are called: arguments may be evaluated more than once. */ -/* IN are scaled according to built-in resistors. These are the +/* + * IN are scaled according to built-in resistors. These are the * voltages corresponding to 3/4 of full scale (192 or 0xc0) * NOTE: The -12V input needs an additional factor to account * for the Vref pullup resistor. @@ -197,7 +201,8 @@ static int adm1026_scaling[] = { /* .001 Volts */ 0, 255)) #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n])) -/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses +/* + * FAN speed is measured using 22.5kHz clock and counts for 2 pulses * and we assume a 2 pulse-per-rev fan tach signal * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000 */ @@ -223,14 +228,16 @@ static int adm1026_scaling[] = { /* .001 Volts */ #define PWM_MIN_TO_REG(val) ((val) & 0xf0) #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4)) -/* Analog output is a voltage, and scaled to millivolts. The datasheet +/* + * Analog output is a voltage, and scaled to millivolts. The datasheet * indicates that the DAC could be used to drive the fans, but in our * example board (Arima HDAMA) it isn't connected to the fans at all. */ #define DAC_TO_REG(val) (SENSORS_LIMIT(((((val) * 255) + 500) / 2500), 0, 255)) #define DAC_FROM_REG(val) (((val) * 2500) / 255) -/* Chip sampling rates +/* + * Chip sampling rates * * Some sensors are not updated more frequently than once per second * so it doesn't make sense to read them more often than that. @@ -244,11 +251,13 @@ static int adm1026_scaling[] = { /* .001 Volts */ #define ADM1026_DATA_INTERVAL (1 * HZ) #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ) -/* We allow for multiple chips in a single system. +/* + * We allow for multiple chips in a single system. * * For each registered ADM1026, we need to keep state information * at client->data. The adm1026_data structure is dynamically - * allocated, when a new client structure is allocated. */ + * allocated, when a new client structure is allocated. + */ struct pwm_data { u8 pwm; @@ -408,7 +417,8 @@ static void adm1026_init_client(struct i2c_client *client) /* ... and then print it */ adm1026_print_gpio(client); - /* If the user asks us to reprogram the GPIO config, then + /* + * If the user asks us to reprogram the GPIO config, then * do it now. */ if (gpio_input[0] != -1 || gpio_output[0] != -1 @@ -417,7 +427,8 @@ static void adm1026_init_client(struct i2c_client *client) adm1026_fixup_gpio(client); } - /* WE INTENTIONALLY make no changes to the limits, + /* + * WE INTENTIONALLY make no changes to the limits, * offsets, pwms, fans and zones. If they were * configured, we don't want to mess with them. * If they weren't, the default is 100% PWM, no @@ -485,7 +496,8 @@ static void adm1026_fixup_gpio(struct i2c_client *client) int value; /* Make the changes requested. */ - /* We may need to unlock/stop monitoring or soft-reset the + /* + * We may need to unlock/stop monitoring or soft-reset the * chip before we can make changes. This hasn't been * tested much. FIXME */ @@ -571,8 +583,10 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) } for (i = 0; i <= 2; ++i) { - /* NOTE: temp[] is s8 and we assume 2's complement - * "conversion" in the assignment */ + /* + * NOTE: temp[] is s8 and we assume 2's complement + * "conversion" in the assignment + */ data->temp[i] = adm1026_read_value(client, ADM1026_REG_TEMP[i]); } @@ -626,7 +640,8 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) } for (i = 0; i <= 2; ++i) { - /* NOTE: temp_xxx[] are s8 and we assume 2's + /* + * NOTE: temp_xxx[] are s8 and we assume 2's * complement "conversion" in the assignment */ data->temp_min[i] = adm1026_read_value(client, -- 1.7.5.4 _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
