diff options
author | Philipp Zabel <philipp.zabel@gmail.com> | 2008-01-10 13:37:42 (GMT) |
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committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 16:29:50 (GMT) |
commit | a7a4ac86b4754f44eb06221f3087debb4775d588 (patch) | |
tree | 63240035ca77fca21c4bb3b0db7566f53501053a /sound/soc/soc-core.c | |
parent | 0b4d221b8d56deefca4984d01b3a010107ae1f72 (diff) | |
download | linux-a7a4ac86b4754f44eb06221f3087debb4775d588.tar.xz |
[ALSA] ASoC TLV support
Add TLV support to ASoC.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r-- | sound/soc/soc-core.c | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index bd656db..e748b00 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1213,7 +1213,6 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, memcpy(&template, _template, sizeof(template)); if (long_name) template.name = long_name; - template.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; template.index = 0; return snd_ctl_new1(&template, data); @@ -1348,13 +1347,16 @@ EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int mask = kcontrol->private_value; + int max = kcontrol->private_value; + + if (max == 1) + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + else + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->type = - mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; + uinfo->value.integer.max = max; return 0; } EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); @@ -1371,15 +1373,18 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int mask = (kcontrol->private_value >> 16) & 0xff; + int max = (kcontrol->private_value >> 16) & 0xff; int shift = (kcontrol->private_value >> 8) & 0x0f; int rshift = (kcontrol->private_value >> 12) & 0x0f; - uinfo->type = - mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; + if (max == 1) + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + else + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = shift == rshift ? 1 : 2; uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; + uinfo->value.integer.max = max; return 0; } EXPORT_SYMBOL_GPL(snd_soc_info_volsw); @@ -1400,7 +1405,8 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0x0f; int rshift = (kcontrol->private_value >> 12) & 0x0f; - int mask = (kcontrol->private_value >> 16) & 0xff; + int max = (kcontrol->private_value >> 16) & 0xff; + int mask = (1 << fls(max)) - 1; int invert = (kcontrol->private_value >> 24) & 0x01; ucontrol->value.integer.value[0] = @@ -1410,10 +1416,10 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, (snd_soc_read(codec, reg) >> rshift) & mask; if (invert) { ucontrol->value.integer.value[0] = - mask - ucontrol->value.integer.value[0]; + max - ucontrol->value.integer.value[0]; if (shift != rshift) ucontrol->value.integer.value[1] = - mask - ucontrol->value.integer.value[1]; + max - ucontrol->value.integer.value[1]; } return 0; @@ -1436,25 +1442,24 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0x0f; int rshift = (kcontrol->private_value >> 12) & 0x0f; - int mask = (kcontrol->private_value >> 16) & 0xff; + int max = (kcontrol->private_value >> 16) & 0xff; + int mask = (1 << fls(max)) - 1; int invert = (kcontrol->private_value >> 24) & 0x01; - int err; unsigned short val, val2, val_mask; val = (ucontrol->value.integer.value[0] & mask); if (invert) - val = mask - val; + val = max - val; val_mask = mask << shift; val = val << shift; if (shift != rshift) { val2 = (ucontrol->value.integer.value[1] & mask); if (invert) - val2 = mask - val2; + val2 = max - val2; val_mask |= mask << rshift; val |= val2 << rshift; } - err = snd_soc_update_bits(codec, reg, val_mask, val); - return err; + return snd_soc_update_bits(codec, reg, val_mask, val); } EXPORT_SYMBOL_GPL(snd_soc_put_volsw); @@ -1471,13 +1476,16 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw); int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int mask = (kcontrol->private_value >> 12) & 0xff; + int max = (kcontrol->private_value >> 12) & 0xff; + + if (max == 1) + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + else + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->type = - mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; + uinfo->value.integer.max = max; return 0; } EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); @@ -1498,7 +1506,8 @@ int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, int reg = kcontrol->private_value & 0xff; int reg2 = (kcontrol->private_value >> 24) & 0xff; int shift = (kcontrol->private_value >> 8) & 0x0f; - int mask = (kcontrol->private_value >> 12) & 0xff; + int max = (kcontrol->private_value >> 12) & 0xff; + int mask = (1<<fls(max))-1; int invert = (kcontrol->private_value >> 20) & 0x01; ucontrol->value.integer.value[0] = @@ -1507,9 +1516,9 @@ int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, (snd_soc_read(codec, reg2) >> shift) & mask; if (invert) { ucontrol->value.integer.value[0] = - mask - ucontrol->value.integer.value[0]; + max - ucontrol->value.integer.value[0]; ucontrol->value.integer.value[1] = - mask - ucontrol->value.integer.value[1]; + max - ucontrol->value.integer.value[1]; } return 0; @@ -1532,7 +1541,8 @@ int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, int reg = kcontrol->private_value & 0xff; int reg2 = (kcontrol->private_value >> 24) & 0xff; int shift = (kcontrol->private_value >> 8) & 0x0f; - int mask = (kcontrol->private_value >> 12) & 0xff; + int max = (kcontrol->private_value >> 12) & 0xff; + int mask = (1 << fls(max)) - 1; int invert = (kcontrol->private_value >> 20) & 0x01; int err; unsigned short val, val2, val_mask; @@ -1542,8 +1552,8 @@ int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, val2 = (ucontrol->value.integer.value[1] & mask); if (invert) { - val = mask - val; - val2 = mask - val2; + val = max - val; + val2 = max - val2; } val = val << shift; |