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Merge "aaudio: disable MMAP data path" into oc-dr1-dev

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TreeHugger Robot
2017-08-09 23:39:09 +00:00
committed by Android (Google) Code Review
parent 77c576190b 90f52626bc
commit ac81de1ab9
1 changed files with 8 additions and 4 deletions
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12
device-common.mk
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@@ -34,10 +34,14 @@ PRODUCT_COPY_FILES += \
frameworks/native/data/etc/android.hardware.audio.pro.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.audio.pro.xml
# Enable AAudio MMAP/NOIRQ data path.
# 2 is AAUDIO_POLICY_AUTO so it will try MMAP then fallback to Legacy path.
PRODUCT_PROPERTY_OVERRIDES += aaudio.mmap_policy=2
# Allow EXCLUSIVE then fall back to SHARED.
PRODUCT_PROPERTY_OVERRIDES += aaudio.mmap_exclusive_policy=2
# 1 is AAUDIO_POLICY_NEVER means only use Legacy path.
# 2 is AAUDIO_POLICY_AUTO means try MMAP then fallback to Legacy path.
# 3 is AAUDIO_POLICY_ALWAYS means only use MMAP path.
PRODUCT_PROPERTY_OVERRIDES += aaudio.mmap_policy=1
# 1 is AAUDIO_POLICY_NEVER means only use SHARED mode
# 2 is AAUDIO_POLICY_AUTO means try EXCLUSIVE then fallback to SHARED mode.
# 3 is AAUDIO_POLICY_ALWAYS means only use EXCLUSIVE mode.
PRODUCT_PROPERTY_OVERRIDES += aaudio.mmap_exclusive_policy=1
# Increase the apparent size of a hardware burst from 1 msec to 2 msec.
# A "burst" is the number of frames processed at one time.