platform/x86: ideapad-laptop: Re-use DEFINE_SHOW_ATTRIBUTE() macro

...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index b2bbddd..5b6f18b 100644 (file)
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -284,19 +284,7 @@ static int debugfs_status_show(struct seq_file *s, void *data)
 
        return 0;
 }
-
-static int debugfs_status_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, debugfs_status_show, inode->i_private);
-}
-
-static const struct file_operations debugfs_status_fops = {
-       .owner = THIS_MODULE,
-       .open = debugfs_status_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(debugfs_status);
 
 static int debugfs_cfg_show(struct seq_file *s, void *data)
 {
@@ -337,19 +325,7 @@ static int debugfs_cfg_show(struct seq_file *s, void *data)
        }
        return 0;
 }
-
-static int debugfs_cfg_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, debugfs_cfg_show, inode->i_private);
-}
-
-static const struct file_operations debugfs_cfg_fops = {
-       .owner = THIS_MODULE,
-       .open = debugfs_cfg_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(debugfs_cfg);
 
 static int ideapad_debugfs_init(struct ideapad_private *priv)
 {