Model: Xiaomi Redmi Note 6 pro
Rom Version: MIUI v10.0.5.0 (8.1 Oreo Based)
Chipset: Qualcomm SnapDragon 636
Device Supports both 24bit/192Khz and 32bit/384khz Hi-Res Audio Output, but for some reason it's Not Working (Audio_Policy File Attached)
kindly have a look into it.
audio_policy.conf