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

Web:        https://git.kernel.org/torvalds/c/334c4efd295cda01069cab03bf753537dc20c3eb
Commit:     334c4efd295cda01069cab03bf753537dc20c3eb
Parent:     b04eb8aaab8d0eef224247075528c7545fd2a50c
Refname:    refs/heads/master
Author:     Andy Shevchenko <[email protected]>
AuthorDate: Mon Jan 22 18:05:45 2018 +0200
Committer:  Andy Shevchenko <[email protected]>
CommitDate: Wed Feb 7 12:50:22 2018 +0200

    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 <[email protected]>
---
 drivers/platform/x86/ideapad-laptop.c | 28 ++--------------------------
 1 file changed, 2 insertions(+), 26 deletions(-)

diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index b2bbddd09a52..5b6f18b18801 100644
--- 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);
-}