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Diffstat (limited to 'src/drivers/amd/i2s_machine_dev/chip.h')
-rw-r--r-- | src/drivers/amd/i2s_machine_dev/chip.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/drivers/amd/i2s_machine_dev/chip.h b/src/drivers/amd/i2s_machine_dev/chip.h index 5d3a423b4363..0ca00a842420 100644 --- a/src/drivers/amd/i2s_machine_dev/chip.h +++ b/src/drivers/amd/i2s_machine_dev/chip.h @@ -12,7 +12,10 @@ struct drivers_amd_i2s_machine_dev_config { /* ACPI _UID */ unsigned int uid; - /* DMIC select GPIO (required) */ + /* + * DMIC select GPIO (optional). Needs to be configured if the audio framework cannot use + * all the mics and select the right channel based on the use-case. + */ struct acpi_gpio dmic_select_gpio; }; |