Commit 0c7bbeb9 authored by Maxim Mikityanskiy's avatar Maxim Mikityanskiy Committed by Matthew Garrett

ideapad: add Lenovo IdeaPad Z570 support (part 3)

The patch adds support for Lenovo IdeaPad Z570 laptop. It makes all special
keys working, adds possibility to control fan like Windows does, controls
Touchpad Disabled LED, toggles touchpad state via keyboard controller and
corrects touchpad behavior on resume from suspend. It is new, modified
version of patch. Now it does not depend on psmouse and does not need patching
of input subsystem.
Signed-off-by: default avatarMaxim Mikityanskiy <maxtram95@gmail.com>

This is the part 3 for fan control
Signed-off-by: default avatarIke Panhc <ike.pan@canonical.com>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent 07a4a4fc
...@@ -5,4 +5,15 @@ Contact: "Ike Panhc <ike.pan@canonical.com>" ...@@ -5,4 +5,15 @@ Contact: "Ike Panhc <ike.pan@canonical.com>"
Description: Description:
Control the power of camera module. 1 means on, 0 means off. Control the power of camera module. 1 means on, 0 means off.
What: /sys/devices/platform/ideapad/fan_mode
Date: June 2012
KernelVersion: 3.6
Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>"
Description:
Change fan mode
There are four available modes:
* 0 -> Super Silent Mode
* 1 -> Standard Mode
* 2 -> Dust Cleaning
* 4 -> Efficient Thermal Dissipation Mode
...@@ -64,8 +64,10 @@ enum { ...@@ -64,8 +64,10 @@ enum {
VPCCMD_R_3G, VPCCMD_R_3G,
VPCCMD_W_3G, VPCCMD_W_3G,
VPCCMD_R_ODD, /* 0x21 */ VPCCMD_R_ODD, /* 0x21 */
VPCCMD_R_RF = 0x23, VPCCMD_W_FAN,
VPCCMD_R_RF,
VPCCMD_W_RF, VPCCMD_W_RF,
VPCCMD_R_FAN = 0x2B,
VPCCMD_R_SPECIAL_BUTTONS = 0x31, VPCCMD_R_SPECIAL_BUTTONS = 0x31,
VPCCMD_W_BL_POWER = 0x33, VPCCMD_W_BL_POWER = 0x33,
}; };
...@@ -358,14 +360,46 @@ static ssize_t store_ideapad_cam(struct device *dev, ...@@ -358,14 +360,46 @@ static ssize_t store_ideapad_cam(struct device *dev,
return -EINVAL; return -EINVAL;
ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state); ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state);
if (ret < 0) if (ret < 0)
return ret; return -EIO;
return count; return count;
} }
static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam);
static ssize_t show_ideapad_fan(struct device *dev,
struct device_attribute *attr,
char *buf)
{
unsigned long result;
if (read_ec_data(ideapad_handle, VPCCMD_R_FAN, &result))
return sprintf(buf, "-1\n");
return sprintf(buf, "%lu\n", result);
}
static ssize_t store_ideapad_fan(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret, state;
if (!count)
return 0;
if (sscanf(buf, "%i", &state) != 1)
return -EINVAL;
if (state < 0 || state > 4 || state == 3)
return -EINVAL;
ret = write_ec_cmd(ideapad_handle, VPCCMD_W_FAN, state);
if (ret < 0)
return -EIO;
return count;
}
static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan);
static struct attribute *ideapad_attributes[] = { static struct attribute *ideapad_attributes[] = {
&dev_attr_camera_power.attr, &dev_attr_camera_power.attr,
&dev_attr_fan_mode.attr,
NULL NULL
}; };
...@@ -379,7 +413,10 @@ static umode_t ideapad_is_visible(struct kobject *kobj, ...@@ -379,7 +413,10 @@ static umode_t ideapad_is_visible(struct kobject *kobj,
if (attr == &dev_attr_camera_power.attr) if (attr == &dev_attr_camera_power.attr)
supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg));
else else if (attr == &dev_attr_fan_mode.attr) {
unsigned long value;
supported = !read_ec_data(ideapad_handle, VPCCMD_R_FAN, &value);
} else
supported = true; supported = true;
return supported ? attr->mode : 0; return supported ? attr->mode : 0;
......
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