+/*
+ * 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;
+}
+