fastbootd: reduce USB buffer size to 16K

Some USB controllers can only support transfers upto 16K.

Bug: 133208811
Test: fastboot flashall
Change-Id: Ic025bdd8e7a6cf2634fc24524fd189e0cc9efbb5
Merged-In: Ic025bdd8e7a6cf2634fc24524fd189e0cc9efbb5
(cherry picked from commit d747dba9)

parent 28904625

fastboot/device/usb_client.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -33,7 +33,7 @@ constexpr int kMaxPacketSizeHs = 512;
		constexpr int kMaxPacketsizeSs = 1024;

		constexpr size_t kFbFfsNumBufs = 16;
		constexpr size_t kFbFfsBufSize = 32768;
		constexpr size_t kFbFfsBufSize = 16384;

		constexpr const char* kUsbFfsFastbootEp0 = "/dev/usb-ffs/fastboot/ep0";
		constexpr const char* kUsbFfsFastbootOut = "/dev/usb-ffs/fastboot/ep1";