diff options
Diffstat (limited to 'sound/hda/intel-nhlt.c')
| -rw-r--r-- | sound/hda/intel-nhlt.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c deleted file mode 100644 index 059aaf04f536..000000000000 --- a/sound/hda/intel-nhlt.c +++ /dev/null @@ -1,71 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -// Copyright (c) 2015-2019 Intel Corporation - -#include <linux/acpi.h> -#include <sound/intel-nhlt.h> - -struct nhlt_acpi_table *intel_nhlt_init(struct device *dev) -{ - struct nhlt_acpi_table *nhlt; - acpi_status status; - - status = acpi_get_table(ACPI_SIG_NHLT, 0, - (struct acpi_table_header **)&nhlt); - if (ACPI_FAILURE(status)) { - dev_warn(dev, "NHLT table not found\n"); - return NULL; - } - - return nhlt; -} -EXPORT_SYMBOL_GPL(intel_nhlt_init); - -void intel_nhlt_free(struct nhlt_acpi_table *nhlt) -{ - acpi_put_table((struct acpi_table_header *)nhlt); -} -EXPORT_SYMBOL_GPL(intel_nhlt_free); - -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; - - if (!nhlt) - return 0; - - epnt = (struct nhlt_endpoint *)nhlt->desc; - - for (j = 0; j < nhlt->endpoint_count; j++) { - if (epnt->linktype == NHLT_LINK_DMIC) { - cfg = (struct nhlt_dmic_array_config *) - (epnt->config.caps); - switch (cfg->array_type) { - case NHLT_MIC_ARRAY_2CH_SMALL: - case NHLT_MIC_ARRAY_2CH_BIG: - dmic_geo = MIC_ARRAY_2CH; - break; - - case NHLT_MIC_ARRAY_4CH_1ST_GEOM: - case NHLT_MIC_ARRAY_4CH_L_SHAPED: - 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); - } - } - epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length); - } - - return dmic_geo; -} -EXPORT_SYMBOL_GPL(intel_nhlt_get_dmic_geo); |
