1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/video/b2r2/b2r2_debug.c b/drivers/video/b2r2/b2r2_debug.c
new file mode 100644
index 00000000000..76bd92210a7
--- /dev/null
+++ b/drivers/video/b2r2/b2r2_debug.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ * Author: Fredrik Allansson <fredrik.allansson@stericsson.com> for ST-Ericsson
+ * License terms: GNU General Public Licence (GPL) version 2.
+ */
+
+#include "b2r2_debug.h"
+#include <linux/debugfs.h>
+
+int b2r2_log_levels[B2R2_LOG_LEVEL_COUNT];
+struct device *b2r2_log_dev;
+
+static struct dentry *root_dir;
+static struct dentry *log_lvl_dir;
+
+int b2r2_debug_init(struct device *log_dev)
+{
+	int i;
+	int init_val = 0;
+
+	b2r2_log_dev = log_dev;
+
+#ifdef CONFIG_DYNAMIC_DEBUG
+	/*
+	 * We want all prints to be enabled by default when using dynamic
+	 * debug
+	 */
+	init_val = 1;
+#endif
+
+	for (i = 0; i < B2R2_LOG_LEVEL_COUNT; i++)
+		b2r2_log_levels[i] = init_val;
+
+#if !defined(CONFIG_DYNAMIC_DEBUG) && defined(CONFIG_DEBUG_FS)
+	/*
+	 * If dynamic debug is disabled we need some other way to control the
+	 * log prints
+	 */
+	root_dir = debugfs_create_dir("b2r2_debug", NULL);
+	log_lvl_dir = debugfs_create_dir("logs", root_dir);
+
+	/* No need to save the files, they will be removed recursively */
+	(void)debugfs_create_bool("warnings", 0644, log_lvl_dir,
+				&b2r2_log_levels[B2R2_LOG_LEVEL_WARN]);
+	(void)debugfs_create_bool("info", 0644, log_lvl_dir,
+				&b2r2_log_levels[B2R2_LOG_LEVEL_INFO]);
+	(void)debugfs_create_bool("debug", 0644, log_lvl_dir,
+				&b2r2_log_levels[B2R2_LOG_LEVEL_DEBUG]);
+	(void)debugfs_create_bool("regdumps", 0644, log_lvl_dir,
+				&b2r2_log_levels[B2R2_LOG_LEVEL_REGDUMP]);
+#endif
+
+	return 0;
+}
+
+void b2r2_debug_exit(void)
+{
+#if !defined(CONFIG_DYNAMIC_DEBUG) && defined(CONFIG_DEBUG_FS)
+	if (root_dir)
+		debugfs_remove_recursive(root_dir);
+#endif
+}