ALSA: hda - Define AC_FMT_* constants

Define constants for the HD-audio stream format bits, and replace the
magic numbers in codes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 21 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 48b33671e727..46f75bccf0d3 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -224,6 +224,27 @@ enum {
 /* Input converter SDI select */
 #define AC_SDI_SELECT                   (0xf<<0)
 
+/* stream format id */
+#define AC_FMT_CHAN_SHIFT               0
+#define AC_FMT_CHAN_MASK                (0x0f << 0)
+#define AC_FMT_BITS_SHIFT               4
+#define AC_FMT_BITS_MASK                (7 << 4)
+#define AC_FMT_BITS_8                   (0 << 4)
+#define AC_FMT_BITS_16                  (1 << 4)
+#define AC_FMT_BITS_20                  (2 << 4)
+#define AC_FMT_BITS_24                  (3 << 4)
+#define AC_FMT_BITS_32                  (4 << 4)
+#define AC_FMT_DIV_SHIFT                8
+#define AC_FMT_DIV_MASK                 (7 << 8)
+#define AC_FMT_MULT_SHIFT               11
+#define AC_FMT_MULT_MASK                (7 << 11)
+#define AC_FMT_BASE_SHIFT               14
+#define AC_FMT_BASE_48K                 (0 << 14)
+#define AC_FMT_BASE_44K                 (1 << 14)
+#define AC_FMT_TYPE_SHIFT               15
+#define AC_FMT_TYPE_PCM                 (0 << 15)
+#define AC_FMT_TYPE_NON_PCM             (1 << 15)
+
 /* Unsolicited response control */
 #define AC_UNSOL_TAG                    (0x3f<<0)
 #define AC_UNSOL_ENABLED                (1<<7)