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-rw-r--r--include/sound/pt2258.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/sound/pt2258.h b/include/sound/pt2258.h
new file mode 100644
index 000000000..8c32e71cd
--- /dev/null
+++ b/include/sound/pt2258.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * ALSA Driver for the PT2258 volume controller.
+ *
+ * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
+ */
+
+#ifndef __SOUND_PT2258_H
+#define __SOUND_PT2258_H
+
+struct snd_pt2258 {
+ struct snd_card *card;
+ struct snd_i2c_bus *i2c_bus;
+ struct snd_i2c_device *i2c_dev;
+
+ unsigned char volume[6];
+ int mute;
+};
+
+extern int snd_pt2258_reset(struct snd_pt2258 *pt);
+extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
+
+#endif /* __SOUND_PT2258_H */