aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/hwmon
diff options
context:
space:
mode:
authorHans de Goede <hdegoede@redhat.com>2009-06-15 18:39:50 +0200
committerJean Delvare <khali@linux-fr.org>2009-06-15 18:39:50 +0200
commit3fc7838a20cdd9aab0077f355b8c44135cd4b6bd (patch)
tree8437fbfd39f0d210286988e104d3228af77d1e5f /drivers/hwmon
parent2958b1ec6be1d71105d67d70de9d7d70f5e97151 (diff)
downloadkernel_samsung_smdk4412-3fc7838a20cdd9aab0077f355b8c44135cd4b6bd.zip
kernel_samsung_smdk4412-3fc7838a20cdd9aab0077f355b8c44135cd4b6bd.tar.gz
kernel_samsung_smdk4412-3fc7838a20cdd9aab0077f355b8c44135cd4b6bd.tar.bz2
hwmon: (f71882fg) Cleanup f8000 pwm handling
Currently we are using separate per model sysfs attr for the 3th pwm, because the 3th pwm of the f8000 only has automatic mode and not manual mode. Doing things this way was getting in the way for adding f71858fg support, so this patch makes the pwm attr identical for all models, and instead adds a check to store_pwm_enable() disallowing setting the 3th pwm to manual mode on a f8000 IC. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/f71882fg.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index 4639b2a..eb324e6 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1,6 +1,6 @@
/***************************************************************************
* Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> *
- * Copyright (C) 2007,2008 by Hans de Goede <hdegoede@redhat.com> *
+ * Copyright (C) 2007-2009 Hans de Goede <hdegoede@redhat.com> *
* *
* 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 *
@@ -395,6 +395,9 @@ static struct sensor_device_attribute_2 fxxxx_fan_attr[] = {
show_pwm_auto_point_channel,
store_pwm_auto_point_channel, 0, 1),
+ SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
+ SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 0, 2),
SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
show_pwm_interpolate, store_pwm_interpolate, 0, 2),
SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
@@ -450,9 +453,6 @@ static struct sensor_device_attribute_2 f71862fg_fan_attr[] = {
SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
show_pwm_auto_point_temp_hyst, NULL, 3, 1),
- SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
- SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
- store_pwm_enable, 0, 2),
SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
1, 2),
@@ -565,9 +565,6 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
show_pwm_auto_point_temp_hyst, NULL, 3, 1),
- SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
- SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
- store_pwm_enable, 0, 2),
SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
0, 2),
@@ -659,8 +656,6 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
static struct sensor_device_attribute_2 f8000_fan_attr[] = {
SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
- SENSOR_ATTR_2(pwm3, S_IRUGO, show_pwm, NULL, 0, 2),
-
SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
0, 2),
@@ -1440,6 +1435,10 @@ static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
int nr = to_sensor_dev_attr_2(devattr)->index;
long val = simple_strtol(buf, NULL, 10);
+ /* Special case for F8000 pwm channel 3 which only does auto mode */
+ if (data->type == f8000 && nr == 2 && val != 2)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
/* Special case for F8000 auto PWM mode / Thermostat mode */