Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history 
yaml
---
r: 272012
b: refs/heads/master
c: 773e320
h: refs/heads/master
v: v3
  • Loading branch information
Ike Panhc authored and Matthew Garrett committed Oct 24, 2011
1 parent a765ad6 commit 036b63a
Show file tree
Hide file tree
Showing 3 changed files with 172 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
View file
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f43d9ec06028b8cb122a7a2b367a7af066342918
refs/heads/master: 773e3206e6a8b4c81826dc76057a96ba3cc96672
19 changes: 19 additions & 0 deletions trunk/Documentation/ABI/testing/debugfs-ideapad
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
What: /sys/kernel/debug/ideapad/cfg
Date: Sep 2011
KernelVersion: 3.2
Contact: Ike Panhc <ike.pan@canonical.com>
Description:

cfg shows the return value of _CFG method in VPC2004 device. It tells machine
capability and what graphic component within the machine.


What: /sys/kernel/debug/ideapad/status
Date: Sep 2011
KernelVersion: 3.2
Contact: Ike Panhc <ike.pan@canonical.com>
Description:

status shows infos we can read and tells its meaning and value.


152 changes: 152 additions & 0 deletions trunk/drivers/platform/x86/ideapad-laptop.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@
#include <linux/input/sparse-keymap.h>
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>

#define IDEAPAD_RFKILL_DEV_NUM (3)

Expand Down Expand Up @@ -71,10 +73,12 @@ struct ideapad_private {
struct platform_device *platform_device;
struct input_dev *inputdev;
struct backlight_device *blightdev;
struct dentry *debug;
unsigned long cfg;
};

static acpi_handle ideapad_handle;
static struct ideapad_private *ideapad_priv;
static bool no_bt_rfkill;
module_param(no_bt_rfkill, bool, 0444);
MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
Expand Down Expand Up @@ -187,6 +191,146 @@ static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data)
return -1;
}

/*
* debugfs
*/
#define DEBUGFS_EVENT_LEN (4096)
static int debugfs_status_show(struct seq_file *s, void *data)
{
unsigned long value;

if (!read_ec_data(ideapad_handle, VPCCMD_R_BL_MAX, &value))
seq_printf(s, "Backlight max:\t%lu\n", value);
if (!read_ec_data(ideapad_handle, VPCCMD_R_BL, &value))
seq_printf(s, "Backlight now:\t%lu\n", value);
if (!read_ec_data(ideapad_handle, VPCCMD_R_BL_POWER, &value))
seq_printf(s, "BL power value:\t%s\n", value ? "On" : "Off");
seq_printf(s, "=====================\n");

if (!read_ec_data(ideapad_handle, VPCCMD_R_RF, &value))
seq_printf(s, "Radio status:\t%s(%lu)\n",
value ? "On" : "Off", value);
if (!read_ec_data(ideapad_handle, VPCCMD_R_WIFI, &value))
seq_printf(s, "Wifi status:\t%s(%lu)\n",
value ? "On" : "Off", value);
if (!read_ec_data(ideapad_handle, VPCCMD_R_BT, &value))
seq_printf(s, "BT status:\t%s(%lu)\n",
value ? "On" : "Off", value);
if (!read_ec_data(ideapad_handle, VPCCMD_R_3G, &value))
seq_printf(s, "3G status:\t%s(%lu)\n",
value ? "On" : "Off", value);
seq_printf(s, "=====================\n");

if (!read_ec_data(ideapad_handle, VPCCMD_R_TOUCHPAD, &value))
seq_printf(s, "Touchpad status:%s(%lu)\n",
value ? "On" : "Off", value);
if (!read_ec_data(ideapad_handle, VPCCMD_R_CAMERA, &value))
seq_printf(s, "Camera status:\t%s(%lu)\n",
value ? "On" : "Off", value);

return 0;
}

static int debugfs_status_open(struct inode *inode, struct file *file)
{
return single_open(file, debugfs_status_show, NULL);
}

static const struct file_operations debugfs_status_fops = {
.owner = THIS_MODULE,
.open = debugfs_status_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};

static int debugfs_cfg_show(struct seq_file *s, void *data)
{
if (!ideapad_priv) {
seq_printf(s, "cfg: N/A\n");
} else {
seq_printf(s, "cfg: 0x%.8lX\n\nCapability: ",
ideapad_priv->cfg);
if (test_bit(CFG_BT_BIT, &ideapad_priv->cfg))
seq_printf(s, "Bluetooth ");
if (test_bit(CFG_3G_BIT, &ideapad_priv->cfg))
seq_printf(s, "3G ");
if (test_bit(CFG_WIFI_BIT, &ideapad_priv->cfg))
seq_printf(s, "Wireless ");
if (test_bit(CFG_CAMERA_BIT, &ideapad_priv->cfg))
seq_printf(s, "Camera ");
seq_printf(s, "\nGraphic: ");
switch ((ideapad_priv->cfg)&0x700) {
case 0x100:
seq_printf(s, "Intel");
break;
case 0x200:
seq_printf(s, "ATI");
break;
case 0x300:
seq_printf(s, "Nvidia");
break;
case 0x400:
seq_printf(s, "Intel and ATI");
break;
case 0x500:
seq_printf(s, "Intel and Nvidia");
break;
}
seq_printf(s, "\n");
}
return 0;
}

static int debugfs_cfg_open(struct inode *inode, struct file *file)
{
return single_open(file, debugfs_cfg_show, NULL);
}

static const struct file_operations debugfs_cfg_fops = {
.owner = THIS_MODULE,
.open = debugfs_cfg_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};

static int __devinit ideapad_debugfs_init(struct ideapad_private *priv)
{
struct dentry *node;

priv->debug = debugfs_create_dir("ideapad", NULL);
if (priv->debug == NULL) {
pr_err("failed to create debugfs directory");
goto errout;
}

node = debugfs_create_file("cfg", S_IRUGO, priv->debug, NULL,
&debugfs_cfg_fops);
if (!node) {
pr_err("failed to create cfg in debugfs");
goto errout;
}

node = debugfs_create_file("status", S_IRUGO, priv->debug, NULL,
&debugfs_status_fops);
if (!node) {
pr_err("failed to create event in debugfs");
goto errout;
}

return 0;

errout:
return -ENOMEM;
}

static void ideapad_debugfs_exit(struct ideapad_private *priv)
{
debugfs_remove_recursive(priv->debug);
priv->debug = NULL;
}

/*
* sysfs
*/
Expand Down Expand Up @@ -573,13 +717,18 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
if (!priv)
return -ENOMEM;
dev_set_drvdata(&adevice->dev, priv);
ideapad_priv = priv;
ideapad_handle = adevice->handle;
priv->cfg = cfg;

ret = ideapad_platform_init(priv);
if (ret)
goto platform_failed;

ret = ideapad_debugfs_init(priv);
if (ret)
goto debugfs_failed;

ret = ideapad_input_init(priv);
if (ret)
goto input_failed;
Expand All @@ -605,6 +754,8 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
ideapad_unregister_rfkill(adevice, i);
ideapad_input_exit(priv);
input_failed:
ideapad_debugfs_exit(priv);
debugfs_failed:
ideapad_platform_exit(priv);
platform_failed:
kfree(priv);
Expand All @@ -620,6 +771,7 @@ static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type)
for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
ideapad_unregister_rfkill(adevice, i);
ideapad_input_exit(priv);
ideapad_debugfs_exit(priv);
ideapad_platform_exit(priv);
dev_set_drvdata(&adevice->dev, NULL);
kfree(priv);
Expand Down

0 comments on commit 036b63a

Please sign in to comment.