+ struct snd_dmaengine_dai_dma_data capture_dma_data;
+
+ struct dentry *dbg_dir;
-+ struct dentry *dbg_stats;
++ struct dentry *dbg_stats;
+ struct ralink_i2s_stats txstats;
+ struct ralink_i2s_stats rxstats;
+};
+}
+
+static int ralink_i2s_set_sysclk(struct snd_soc_dai *dai,
-+ int clk_id, unsigned int freq, int dir)
++ int clk_id, unsigned int freq, int dir)
+{
+ return 0;
+}
+#if IS_ENABLED(CONFIG_DEBUG_FS)
+static int ralink_i2s_stats_show(struct seq_file *s, void *unused)
+{
-+ struct ralink_i2s *i2s = s->private;
++ struct ralink_i2s *i2s = s->private;
+
+ seq_printf(s, "tx stats\n");
+ seq_printf(s, "\tbelow threshold\t%u\n", i2s->txstats.belowthres);
+
+static int ralink_i2s_stats_open(struct inode *inode, struct file *file)
+{
-+ return single_open(file, ralink_i2s_stats_show, inode->i_private);
++ return single_open(file, ralink_i2s_stats_show, inode->i_private);
+}
+
+static const struct file_operations ralink_i2s_stats_ops = {
-+ .open = ralink_i2s_stats_open,
-+ .read = seq_read,
-+ .llseek = seq_lseek,
-+ .release = single_release,
++ .open = ralink_i2s_stats_open,
++ .read = seq_read,
++ .llseek = seq_lseek,
++ .release = single_release,
+};
+
+static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s)
+{
-+ i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL);
-+ if (!i2s->dbg_dir)
-+ return -ENOMEM;
-+
-+ i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO,
-+ i2s->dbg_dir, i2s, &ralink_i2s_stats_ops);
-+ if (!i2s->dbg_stats) {
-+ debugfs_remove(i2s->dbg_dir);
-+ return -ENOMEM;
-+ }
-+
-+ return 0;
++ i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL);
++ if (!i2s->dbg_dir)
++ return -ENOMEM;
++
++ i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO,
++ i2s->dbg_dir, i2s, &ralink_i2s_stats_ops);
++ if (!i2s->dbg_stats) {
++ debugfs_remove(i2s->dbg_dir);
++ return -ENOMEM;
++ }
++
++ return 0;
+}
+
+static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s)
+ if (IS_ERR(i2s->regmap))
+ return dev_err_probe(dev, PTR_ERR(i2s->regmap), "regmap init failed");
+
-+ irq = platform_get_irq(pdev, 0);
-+ if (irq < 0) {
-+ dev_err(dev, "failed to get irq\n");
-+ return -EINVAL;
-+ }
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0) {
++ dev_err(dev, "failed to get irq\n");
++ return -EINVAL;
++ }
+
+#if (RALINK_I2S_INT_EN)
+ ret = devm_request_irq(dev, irq, ralink_i2s_irq,