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ASoC: Intel: Skylake: Automatic DMIC format configuration according to information from NHLT

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Automatically choose DMIC pipeline format configuration depending on
information included in NHLT.
Change the access rights of appropriate kcontrols to read-only in order
to prevent user interference.

Signed-off-by: Mateusz Gorski <mateusz.gorski@linux.intel.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200427132727.24942-4-mateusz.gorski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mateusz Gorski 2020-04-27 15:27:27 +02:00 committed by Mark Brown
parent 1b450791d5
commit 2d744ecf2b
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
2 changed files with 62 additions and 3 deletions
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1
include/uapi/sound/skl-tplg-interface.h
View file

@ -19,6 +19,7 @@
#define SKL_CONTROL_TYPE_BYTE_TLV 0x100
#define SKL_CONTROL_TYPE_MIC_SELECT 0x102
#define SKL_CONTROL_TYPE_MULTI_IO_SELECT 0x103
#define SKL_CONTROL_TYPE_MULTI_IO_SELECT_DMIC 0x104
#define HDA_SST_CFG_MAX 900 /* size of copier cfg*/
#define MAX_IN_QUEUE 8

64
sound/soc/intel/skylake/skl-topology.c
View file

@ -1405,6 +1405,18 @@ static int skl_tplg_multi_config_set(struct snd_kcontrol *kcontrol,
return skl_tplg_multi_config_set_get(kcontrol, ucontrol, true);
}
static int skl_tplg_multi_config_get_dmic(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
return skl_tplg_multi_config_set_get(kcontrol, ucontrol, false);
}
static int skl_tplg_multi_config_set_dmic(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
return skl_tplg_multi_config_set_get(kcontrol, ucontrol, true);
}
static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol,
unsigned int __user *data, unsigned int size)
{
@ -1949,6 +1961,11 @@ static const struct snd_soc_tplg_kcontrol_ops skl_tplg_kcontrol_ops[] = {
.get = skl_tplg_multi_config_get,
.put = skl_tplg_multi_config_set,
},
{
.id = SKL_CONTROL_TYPE_MULTI_IO_SELECT_DMIC,
.get = skl_tplg_multi_config_get_dmic,
.put = skl_tplg_multi_config_set_dmic,
}
};
static int skl_tplg_fill_pipe_cfg(struct device *dev,
@ -3109,12 +3126,21 @@ static int skl_tplg_control_load(struct snd_soc_component *cmpnt,
case SND_SOC_TPLG_CTL_ENUM:
tplg_ec = container_of(hdr,
struct snd_soc_tplg_enum_control, hdr);
if (kctl->access & SNDRV_CTL_ELEM_ACCESS_READWRITE) {
if (kctl->access & SNDRV_CTL_ELEM_ACCESS_READ) {
se = (struct soc_enum *)kctl->private_value;
if (tplg_ec->priv.size)
return skl_init_enum_data(bus->dev, se,
tplg_ec);
skl_init_enum_data(bus->dev, se, tplg_ec);
}
/*
* now that the control initializations are done, remove
* write permission for the DMIC configuration enums to
* avoid conflicts between NHLT settings and user interaction
*/
if (hdr->ops.get == SKL_CONTROL_TYPE_MULTI_IO_SELECT_DMIC)
kctl->access = SNDRV_CTL_ELEM_ACCESS_READ;
break;
default:
@ -3584,6 +3610,37 @@ static int skl_manifest_load(struct snd_soc_component *cmpnt, int index,
return 0;
}
static void skl_tplg_complete(struct snd_soc_component *component)
{
struct snd_soc_dobj *dobj;
struct snd_soc_acpi_mach *mach =
dev_get_platdata(component->card->dev);
int i;
list_for_each_entry(dobj, &component->dobj_list, list) {
struct snd_kcontrol *kcontrol = dobj->control.kcontrol;
struct soc_enum *se =
(struct soc_enum *)kcontrol->private_value;
char **texts = dobj->control.dtexts;
char chan_text[4];
if (dobj->type != SND_SOC_DOBJ_ENUM ||
dobj->control.kcontrol->put !=
skl_tplg_multi_config_set_dmic)
continue;
sprintf(chan_text, "c%d", mach->mach_params.dmic_num);
for (i = 0; i < se->items; i++) {
struct snd_ctl_elem_value val;
if (strstr(texts[i], chan_text)) {
val.value.enumerated.item[0] = i;
kcontrol->put(kcontrol, &val);
}
}
}
}
static struct snd_soc_tplg_ops skl_tplg_ops = {
.widget_load = skl_tplg_widget_load,
.control_load = skl_tplg_control_load,
@ -3593,6 +3650,7 @@ static struct snd_soc_tplg_ops skl_tplg_ops = {
.io_ops_count = ARRAY_SIZE(skl_tplg_kcontrol_ops),
.manifest = skl_manifest_load,
.dai_load = skl_dai_load,
.complete = skl_tplg_complete,
};
/*