diff options
| author | Philipp Zabel <philipp.zabel@gmail.com> | 2008-01-10 14:37:42 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:50 +0100 |
| commit | a7a4ac86b4754f44eb06221f3087debb4775d588 (patch) | |
| tree | 63240035ca77fca21c4bb3b0db7566f53501053a /sound/soc/soc-dapm.c | |
| parent | 0b4d221b8d56deefca4984d01b3a010107ae1f72 (diff) | |
[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-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 16ebb60ed3d..7eb6c5c0377 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1018,8 +1018,9 @@ int snd_soc_dapm_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 invert = (kcontrol->private_value >> 24) & 0x01; + int mask = (1 << fls(max)) - 1; /* return the saved value if we are powered down */ if (widget->id == snd_soc_dapm_pga && !widget->power) { @@ -1034,10 +1035,10 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, (snd_soc_read(widget->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; @@ -1060,7 +1061,8 @@ int snd_soc_dapm_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; unsigned short val, val2, val_mask; int ret; @@ -1068,13 +1070,13 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, 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; } |