summaryrefslogtreecommitdiffstats
path: root/include/sound/tlv.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/sound/tlv.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/sound/tlv.h b/include/sound/tlv.h
new file mode 100644
index 000000000..5cff33a2d
--- /dev/null
+++ b/include/sound/tlv.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_TLV_H
+#define __SOUND_TLV_H
+
+/*
+ * Advanced Linux Sound Architecture - ALSA - Driver
+ * Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <uapi/sound/tlv.h>
+
+/* For historical reasons, these macros are aliases to the ones in UAPI. */
+#define TLV_ITEM SNDRV_CTL_TLVD_ITEM
+#define TLV_LENGTH SNDRV_CTL_TLVD_LENGTH
+
+#define TLV_CONTAINER_ITEM SNDRV_CTL_TLVD_CONTAINER_ITEM
+#define DECLARE_TLV_CONTAINER SNDRV_CTL_TLVD_DECLARE_CONTAINER
+
+#define TLV_DB_SCALE_MASK SNDRV_CTL_TLVD_DB_SCALE_MASK
+#define TLV_DB_SCALE_MUTE SNDRV_CTL_TLVD_DB_SCALE_MUTE
+#define TLV_DB_SCALE_ITEM SNDRV_CTL_TLVD_DB_SCALE_ITEM
+#define DECLARE_TLV_DB_SCALE SNDRV_CTL_TLVD_DECLARE_DB_SCALE
+
+#define TLV_DB_MINMAX_ITEM SNDRV_CTL_TLVD_DB_MINMAX_ITEM
+#define TLV_DB_MINMAX_MUTE_ITEM SNDRV_CTL_TLVD_DB_MINMAX_MUTE_ITEM
+#define DECLARE_TLV_DB_MINMAX SNDRV_CTL_TLVD_DECLARE_DB_MINMAX
+#define DECLARE_TLV_DB_MINMAX_MUTE SNDRV_CTL_TLVD_DECLARE_DB_MINMAX_MUTE
+
+#define TLV_DB_LINEAR_ITEM SNDRV_CTL_TLVD_DB_LINEAR_ITEM
+#define DECLARE_TLV_DB_LINEAR SNDRV_CTL_TLVD_DECLARE_DB_LINEAR
+
+#define TLV_DB_RANGE_ITEM SNDRV_CTL_TLVD_DB_RANGE_ITEM
+#define DECLARE_TLV_DB_RANGE SNDRV_CTL_TLVD_DECLARE_DB_RANGE
+
+#define TLV_DB_GAIN_MUTE SNDRV_CTL_TLVD_DB_GAIN_MUTE
+
+/*
+ * The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR.
+ * This is an old fasion and obsoleted by commit bf1d1c9b6179("ALSA: tlv: add
+ * DECLARE_TLV_DB_RANGE()").
+ */
+#define TLV_DB_RANGE_HEAD(num) \
+ SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
+
+#endif /* __SOUND_TLV_H */