ASoC: fsl_ssi: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_ssi_dbg.c

@@ -124,17 +124,7 @@ static int fsl_ssi_stats_show(struct seq_file *s, void *unused)
 	return 0;
 }
 
-static int fsl_ssi_stats_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, fsl_ssi_stats_show, inode->i_private);
-}
-
-static const struct file_operations fsl_ssi_stats_ops = {
-	.open = fsl_ssi_stats_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(fsl_ssi_stats);
 
 int fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev)
 {
@@ -144,7 +134,7 @@ int fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev)
 
 	ssi_dbg->dbg_stats = debugfs_create_file("stats", 0444,
 						 ssi_dbg->dbg_dir, ssi_dbg,
-						 &fsl_ssi_stats_ops);
+						 &fsl_ssi_stats_fops);
 	if (!ssi_dbg->dbg_stats) {
 		debugfs_remove(ssi_dbg->dbg_dir);
 		return -ENOMEM;