Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 20:22:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

[ALSA] HDA codec & CA0106 - add/fix TLV support

Browse Source 
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Jaroslav Kysela 2006-07-05 17:39:49 +02:00
parent 7f0e2f8bb8
commit 302e9c5af4
4 changed files with 58 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sound/pci/ca0106/ca0106_mixer.c
View File

@ -472,10 +472,12 @@ static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
#define CA_VOLUME(xname,chid,reg) \
{ \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
.info = snd_ca0106_volume_info, \
.get = snd_ca0106_volume_get, \
.put = snd_ca0106_volume_put, \
.tlv = snd_ca0106_db_scale, \
.tlv.p = snd_ca0106_db_scale, \
.private_value = ((chid) << 8) | (reg) \
}

33
sound/pci/hda/hda_codec.c
View File

@ -29,6 +29,7 @@
#include <sound/core.h>
#include "hda_codec.h"
#include <sound/asoundef.h>
#include <sound/tlv.h>
#include <sound/initval.h>
#include "hda_local.h"
@ -841,6 +842,38 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
return change;
}
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
hda_nid_t nid = get_amp_nid(kcontrol);
int dir = get_amp_direction(kcontrol);
u32 caps, val1, val2;
if (size < 4 * sizeof(unsigned int))
return -ENOMEM;
caps = query_amp_caps(codec, nid, dir);
val2 = (((caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT) + 1) * 25;
val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
val1 = ((int)val1) * ((int)val2);
if (caps & AC_AMPCAP_MUTE)
val2 |= 0x10000;
if ((val2 & 0x10000) == 0 && dir == HDA_OUTPUT) {
caps = query_amp_caps(codec, nid, HDA_INPUT);
if (caps & AC_AMPCAP_MUTE)
val2 |= 0x10000;
}
if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
return -EFAULT;
if (put_user(2 * sizeof(unsigned int), _tlv + 1))
return -EFAULT;
if (put_user(val1, _tlv + 2))
return -EFAULT;
if (put_user(val2, _tlv + 3))
return -EFAULT;
return 0;
}
/* switch */
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{

5
sound/pci/hda/hda_local.h
View File

@ -30,9 +30,13 @@
/* mono volume with index (index=0,1,...) (channel=1,2) */
#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
.info = snd_hda_mixer_amp_volume_info, \
.get = snd_hda_mixer_amp_volume_get, \
.put = snd_hda_mixer_amp_volume_put, \
.tlv.c = snd_hda_mixer_amp_tlv, \
.private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
/* stereo volume with index */
#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
@ -63,6 +67,7 @@
int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *tlv);
int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo);
int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

17
sound/pci/hda/patch_analog.c
View File

@ -452,6 +452,19 @@ static int ad1986a_pcm_amp_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl
return change;
}
static int ad1986a_pcm_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct ad198x_spec *ad = codec->spec;
mutex_lock(&ad->amp_mutex);
snd_hda_mixer_amp_tlv(kcontrol, op_flag, size, _tlv);
mutex_unlock(&ad->amp_mutex);
return 0;
}
#define ad1986a_pcm_amp_sw_info snd_hda_mixer_amp_switch_info
static int ad1986a_pcm_amp_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
@ -488,9 +501,13 @@ static struct snd_kcontrol_new ad1986a_mixers[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Volume",
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,
.info = ad1986a_pcm_amp_vol_info,
.get = ad1986a_pcm_amp_vol_get,
.put = ad1986a_pcm_amp_vol_put,
.tlv.c = ad1986a_pcm_amp_tlv,
.private_value = HDA_COMPOSE_AMP_VAL(AD1986A_FRONT_DAC, 3, 0, HDA_OUTPUT)
},
{