09b38c1f04
- by disabling mtp over functionfs
- affects both GrapheneOS and LineageOS
- might need to be applied to other devices
[pid 2482] ppoll([{fd=42, events=POLLIN}, {fd=51, events=POLLIN}], 2, {tv_sec=0, tv_nsec=0}, NULL, 0) = 0 (Timeout)
lrwx------ 1 u0_a13 u0_a13 64 2019-09-05 18:47 42 -> /dev/usb-ffs/mtp/ep0
lrwx------ 1 u0_a13 u0_a13 64 2019-09-05 18:47 51 -> anon_inode:[eventfd]
https://forum.xda-developers.com/android/help/pixel2-help-diagnose-android-process-t3863274
https://bugs.chromium.org/p/chromium/issues/detail?id=947901
43 lines
1.9 KiB
Diff
43 lines
1.9 KiB
Diff
diff --git a/init.common.usb.rc b/init.common.usb.rc
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index 632b6495..23bdb19f 100644
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--- a/init.common.usb.rc
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+++ b/init.common.usb.rc
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@@ -12,18 +12,13 @@ on boot
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write /sys/class/android_usb/android0/f_rndis_qc/rndis_transports BAM2BAM_IPA
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write /sys/module/g_android/parameters/mtp_tx_req_len 131072
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write /sys/module/g_android/parameters/mtp_rx_req_len 131072
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- setprop sys.usb.ffs.max_write 524288
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- setprop sys.usb.ffs.max_read 524288
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- setprop sys.usb.mtp.device_type 3
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setprop sys.usb.rps_mask 0
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on post-fs
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- write /sys/class/android_usb/android0/f_ffs/aliases adb,mtp
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+ write /sys/class/android_usb/android0/f_ffs/aliases adb
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mkdir /dev/usb-ffs 0775 shell shell
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mkdir /dev/usb-ffs/adb 0770 shell shell
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mount functionfs adb /dev/usb-ffs/adb noatime uid=2000,gid=2000,no_disconnect=1
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- mkdir /dev/usb-ffs/mtp 0770 mtp mtp
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- mount functionfs mtp /dev/usb-ffs/mtp noatime rmode=0770,fmode=0660,uid=1024,gid=1024,no_disconnect=1
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on property:sys.usb.config=mtp
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stop adbd
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@@ -81,7 +76,7 @@ on property:sys.usb.config=ptp
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write /sys/class/android_usb/android0/bDeviceClass 0
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write /sys/class/android_usb/android0/bDeviceSubClass 0
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write /sys/class/android_usb/android0/bDeviceProtocol 0
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- write /sys/class/android_usb/android0/functions mtp
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+ write /sys/class/android_usb/android0/functions ${sys.usb.config}
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write /sys/class/android_usb/android0/enable 1
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setprop sys.usb.state ${sys.usb.config}
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@@ -92,7 +87,7 @@ on property:sys.usb.config=ptp,adb
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write /sys/class/android_usb/android0/bDeviceClass 0
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write /sys/class/android_usb/android0/bDeviceSubClass 0
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write /sys/class/android_usb/android0/bDeviceProtocol 0
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- write /sys/class/android_usb/android0/functions mtp,adb
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+ write /sys/class/android_usb/android0/functions ${sys.usb.config}
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write /sys/class/android_usb/android0/enable 1
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start adbd
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setprop sys.usb.state ${sys.usb.config}
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