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- From 58b01e01875e2f6ae593ded197430bc23713dd0a Mon Sep 17 00:00:00 2001
- From: Ingo Rohloff <lundril@gmx.de>
- Date: Fri, 16 May 2014 21:51:41 +0200
- Subject: [PATCH] ADB on linux: Handle USB SuperSpeed extra Descriptors
- Under Linux, ADB manually parses USB Descriptors to check for
- possible ADB USB Interfaces. USB Devices connected with SuperSpeed
- will exhibit extra USB SuperSpeed Endpoint Companion Descriptors.
- This patch handles these USB SuperSpeed specific USB Descriptors.
- Change-Id: Icd1e5fdde0b324c7df4f933583499f2c52a922f3
- Signed-off-by: Ingo Rohloff <lundril@gmx.de>
- ---
- adb/usb_linux.c | 12 ++++++++++++
- 1 file changed, 12 insertions(+)
- --- a/adb/usb_linux.c
- +++ b/adb/usb_linux.c
- @@ -238,8 +238,20 @@ static void find_usb_device(const char *
- // looks like ADB...
- ep1 = (struct usb_endpoint_descriptor *)bufptr;
- bufptr += USB_DT_ENDPOINT_SIZE;
- + // For USB 3.0 SuperSpeed devices, skip potential
- + // USB 3.0 SuperSpeed Endpoint Companion descriptor
- + if (bufptr+2 <= devdesc + desclength &&
- + bufptr[0] == USB_DT_SS_EP_COMP_SIZE &&
- + bufptr[1] == USB_DT_SS_ENDPOINT_COMP) {
- + bufptr += USB_DT_SS_EP_COMP_SIZE;
- + }
- ep2 = (struct usb_endpoint_descriptor *)bufptr;
- bufptr += USB_DT_ENDPOINT_SIZE;
- + if (bufptr+2 <= devdesc + desclength &&
- + bufptr[0] == USB_DT_SS_EP_COMP_SIZE &&
- + bufptr[1] == USB_DT_SS_ENDPOINT_COMP) {
- + bufptr += USB_DT_SS_EP_COMP_SIZE;
- + }
-
- if (bufptr > devdesc + desclength ||
- ep1->bLength != USB_DT_ENDPOINT_SIZE ||
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