diff options
Diffstat (limited to 'sound/soc/amd/acp-config.c')
| -rw-r--r-- | sound/soc/amd/acp-config.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/sound/soc/amd/acp-config.c b/sound/soc/amd/acp-config.c index 04b58fb29a35..067b1fdfbc9d 100644 --- a/sound/soc/amd/acp-config.c +++ b/sound/soc/amd/acp-config.c @@ -19,6 +19,8 @@ #include "../sof/amd/acp.h" #include "mach-config.h" +#define ACP_7_0_REV 0x70 + static int acp_quirk_data; static const struct config_entry config_table[] = { @@ -145,15 +147,33 @@ static const struct config_entry config_table[] = { }, }; +static int snd_amd_acp_acpi_find_config(struct pci_dev *pci) +{ + const union acpi_object *obj; + int acp_flag = FLAG_AMD_LEGACY_ONLY_DMIC; + + if (!acpi_dev_get_property(ACPI_COMPANION(&pci->dev), "acp-audio-config-flag", + ACPI_TYPE_INTEGER, &obj)) + acp_flag = obj->integer.value; + + return acp_flag; +} + int snd_amd_acp_find_config(struct pci_dev *pci) { const struct config_entry *table = config_table; u16 device = pci->device; int i; - /* Do not enable FLAGS on older platforms with Rev id zero */ + /* Do not enable FLAGS on older platforms with Rev Id zero + * For platforms which has ACP 7.0 or higher, read the acp + * config flag from BIOS ACPI table and for older platforms + * read it from DMI tables. + */ if (!pci->revision) return 0; + else if (pci->revision >= ACP_7_0_REV) + return snd_amd_acp_acpi_find_config(pci); for (i = 0; i < ARRAY_SIZE(config_table); i++, table++) { if (table->device != device) |