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usb: limit the current to 1.3A when connect to accessory

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For imporve USB stability, limit the current to 1.3A,
when connect to accessory.

Bug: 206635552
Signed-off-by: Ricky Niu <rickyniu@google.com>
Change-Id: I2c1091aa7111e6242cc949923fbc86f27e54e976
This commit is contained in:
Ricky Niu 2022-05-09 10:14:20 +08:00 • committed by TreeHugger Robot
parent 5c0cb06ff7
commit ebd7fca53a
3 changed files with 82 additions and 0 deletions
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16
usb/usb/android.hardware.usb-service.rc
View file

@ -12,6 +12,14 @@ on post-fs
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/contaminant_detection
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/contaminant_detection
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-8/i2c-max77759tcpc/contaminant_detection
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-5/i2c-max77759tcpc/usb_limit_accessory_current
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/usb_limit_accessory_current
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/usb_limit_accessory_current
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-8/i2c-max77759tcpc/usb_limit_accessory_current
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-5/i2c-max77759tcpc/usb_limit_accessory_enable
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/usb_limit_accessory_enable
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/usb_limit_accessory_enable
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-8/i2c-max77759tcpc/usb_limit_accessory_enable
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-5/i2c-max77759tcpc/usb_limit_sink_current
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/usb_limit_sink_current
chown root system /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/usb_limit_sink_current
@ -38,6 +46,14 @@ on post-fs
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/contaminant_detection
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/contaminant_detection
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-8/i2c-max77759tcpc/contaminant_detection
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-5/i2c-max77759tcpc/usb_limit_accessory_current
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/usb_limit_accessory_current
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/usb_limit_accessory_current
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-8/i2c-max77759tcpc/usb_limit_accessory_current
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-5/i2c-max77759tcpc/usb_limit_accessory_enable
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/usb_limit_accessory_enable
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/usb_limit_accessory_enable
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-8/i2c-max77759tcpc/usb_limit_accessory_enable
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-5/i2c-max77759tcpc/usb_limit_sink_current
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-6/i2c-max77759tcpc/usb_limit_sink_current
chmod 664 /sys/devices/platform/10d50000.hsi2c/i2c-7/i2c-max77759tcpc/usb_limit_sink_current