[src/trunk]: src/sys/dev/usb I have a cheap USB optical mouse (CHICONY produc...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/47be27328dd6
branches:  trunk
changeset: 951486:47be27328dd6
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Wed Feb 03 23:26:08 2021 +0000

description:
I have a cheap USB optical mouse (CHICONY product 0x0939, also known
as "PixArt USB Optical Mouse") that likes to disconnect after 60 seconds
and then reattach 2 seconds later (ad nauseum) unless it's kept open,
so use the "always open" quirk on that device as well.

diffstat:

 sys/dev/usb/ums.c |  14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r c6109fbd1e39 -r 47be27328dd6 sys/dev/usb/ums.c
--- a/sys/dev/usb/ums.c Wed Feb 03 23:24:07 2021 +0000
+++ b/sys/dev/usb/ums.c Wed Feb 03 23:26:08 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ums.c,v 1.99 2020/10/10 21:47:42 jmcneill Exp $        */
+/*     $NetBSD: ums.c,v 1.100 2021/02/03 23:26:08 thorpej Exp $        */
 
 /*
  * Copyright (c) 1998, 2017 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ums.c,v 1.99 2020/10/10 21:47:42 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ums.c,v 1.100 2021/02/03 23:26:08 thorpej Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -210,6 +210,16 @@
                sc->sc_alwayson = true;
        }
 
+       if (uha->uiaa->uiaa_vendor == USB_VENDOR_CHICONY &&
+           uha->uiaa->uiaa_product == USB_PRODUCT_CHICONY_OPTMOUSE0939) {
+               /*
+                * This cheap mouse will disconnect after 60 seconds,
+                * reconnect, and then disconnect again (ad nauseum)
+                * unless it's kept open.
+                */
+               sc->sc_alwayson = true;
+       }
+
        tpcalib_init(&sc->sc_ms.sc_tpcalib);
 
        /* calibrate the pointer if it reports absolute events */