diff options
| author | Pierre-Louis Bossart | 2019-07-29 10:51:49 -0500 |
|---|---|---|
| committer | Takashi Iwai | 2019-07-31 15:46:00 +0200 |
| commit | 7a33ea70e1868ee578fe2e9a85dd300efa1a35d5 (patch) | |
| tree | 874ca24e1e4a6faf55908f32ab4eb3edd6af1ea0 | |
| parent | 303681f4356d322232dd5f6d9eb4bc62666064c5 (diff) | |
ALSA: hda: intel-nhlt: handle NHLT VENDOR_DEFINED DMIC geometry
The NHLT spec defines a VENDOR_DEFINED geometry, which requires
reading additional information to figure out the number of
microphones.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | include/sound/intel-nhlt.h | 10 | ||||
| -rw-r--r-- | sound/hda/intel-nhlt.c | 6 |
2 files changed, 13 insertions, 3 deletions
diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h index 857922f03931..f657fd8fc0ad 100644 --- a/include/sound/intel-nhlt.h +++ b/include/sound/intel-nhlt.h @@ -96,16 +96,22 @@ struct nhlt_resource_desc { #define MIC_ARRAY_2CH 2 #define MIC_ARRAY_4CH 4 -struct nhlt_tdm_config { +struct nhlt_device_specific_config { u8 virtual_slot; u8 config_type; } __packed; struct nhlt_dmic_array_config { - struct nhlt_tdm_config tdm_config; + struct nhlt_device_specific_config device_config; u8 array_type; } __packed; +struct nhlt_vendor_dmic_array_config { + struct nhlt_dmic_array_config dmic_config; + u8 nb_mics; + /* TODO add vendor mic config */ +} __packed; + enum { NHLT_MIC_ARRAY_2CH_SMALL = 0xa, NHLT_MIC_ARRAY_2CH_BIG = 0xb, diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c index 7a62e03ba407..daede96f28ee 100644 --- a/sound/hda/intel-nhlt.c +++ b/sound/hda/intel-nhlt.c @@ -63,6 +63,7 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt) { struct nhlt_endpoint *epnt; struct nhlt_dmic_array_config *cfg; + struct nhlt_vendor_dmic_array_config *cfg_vendor; unsigned int dmic_geo = 0; u8 j; @@ -86,7 +87,10 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt) case NHLT_MIC_ARRAY_4CH_2ND_GEOM: dmic_geo = MIC_ARRAY_4CH; break; - + case NHLT_MIC_ARRAY_VENDOR_DEFINED: + cfg_vendor = (struct nhlt_vendor_dmic_array_config *)cfg; + dmic_geo = cfg_vendor->nb_mics; + break; default: dev_warn(dev, "undefined DMIC array_type 0x%0x\n", cfg->array_type); |