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>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index bd8d7a6..05e8995 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3013,26 +3013,31 @@
unsigned int hda_fmt;
};
+/* rate = base * mult / div */
+#define HDA_RATE(base, mult, div) \
+ (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
+ (((div) - 1) << AC_FMT_DIV_SHIFT))
+
static struct hda_rate_tbl rate_bits[] = {
/* rate in Hz, ALSA rate bitmask, HDA format value */
/* autodetected value used in snd_hda_query_supported_pcm */
- { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
- { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
- { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
- { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
- { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
- { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
- { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
- { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
- { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
- { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
- { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
+ { 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) },
+ { 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) },
+ { 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) },
+ { 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) },
+ { 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) },
+ { 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) },
+ { 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) },
+ { 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) },
+ { 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) },
+ { 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) },
+ { 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) },
#define AC_PAR_PCM_RATE_BITS 11
/* up to bits 10, 384kHZ isn't supported properly */
/* not autodetected value */
- { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
+ { 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) },
{ 0 } /* terminator */
};
@@ -3075,20 +3080,20 @@
switch (snd_pcm_format_width(format)) {
case 8:
- val |= 0x00;
+ val |= AC_FMT_BITS_8;
break;
case 16:
- val |= 0x10;
+ val |= AC_FMT_BITS_16;
break;
case 20:
case 24:
case 32:
if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
- val |= 0x40;
+ val |= AC_FMT_BITS_32;
else if (maxbps >= 24)
- val |= 0x30;
+ val |= AC_FMT_BITS_24;
else
- val |= 0x20;
+ val |= AC_FMT_BITS_20;
break;
default:
snd_printdd("invalid format width %d\n",
@@ -3097,7 +3102,7 @@
}
if (spdif_ctls & AC_DIG1_NONAUDIO)
- val |= 0x8000;
+ val |= AC_FMT_TYPE_NON_PCM;
return val;
}