diff options
author | Alexander Ponyatykh <lazyranma@gmail.com> | 2019-05-10 11:45:05 +0200 |
---|---|---|
committer | Alexander Ponyatykh <lazyranma@gmail.com> | 2019-05-10 11:45:05 +0200 |
commit | cd3374b407901cb7a70909ee23ec2a3775e565bc (patch) | |
tree | 47603a51706ae074cfe5f81f1e9f44d554a672e5 | |
parent | 1b84f9ae6d42581e88b2af107c6d54a89824e064 (diff) |
fix re_initLibG15() to properly reset internal state.archive/debian/1.2.7-3
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libusb/+bug/1357556
Forwarded: no
Last-Update: 2015-05-17
===================================================================
Gbp-Pq: Name 00-fix-reinit.patch
-rw-r--r-- | libg15.c | 55 |
1 files changed, 28 insertions, 27 deletions
@@ -275,19 +275,36 @@ static usb_dev_handle * findAndOpenG15() { return keyboard_device; } +/* reset the keyboard, returning it to a known state */ +static int closeKeyboardDevice() +{ + int retval = G15_NO_ERROR; + + enospc_slowdown = shared_device = g15_keys_endpoint = g15_lcd_endpoint = 0; + found_devicetype = -1; + + if (keyboard_device){ +#ifndef SUN_LIBUSB + retval = usb_release_interface (keyboard_device, 0); + usleep(50*1000); +#endif +#if 0 + retval = usb_reset(keyboard_device); + usleep(50*1000); +#endif + usb_close(keyboard_device); + keyboard_device=0; + return retval; + } + return -1; +} int re_initLibG15() { + closeKeyboardDevice(); - usb_init(); - - /** - * usb_find_busses and usb_find_devices both report the number of devices - * / busses added / removed since the last call. since this is the first - * call we have to return values != 0 or else we didnt find anything */ - - if (!usb_find_devices()) - return G15_ERROR_OPENING_USB_DEVICE; + usb_find_busses(); + usb_find_devices(); keyboard_device = findAndOpenG15(); if (!keyboard_device) @@ -319,28 +336,12 @@ int initLibG15() return retval; } -/* reset the keyboard, returning it to a known state */ int exitLibG15() { - int retval = G15_NO_ERROR; - if (keyboard_device){ -#ifndef SUN_LIBUSB - retval = usb_release_interface (keyboard_device, 0); - usleep(50*1000); -#endif -#if 0 - retval = usb_reset(keyboard_device); - usleep(50*1000); -#endif - usb_close(keyboard_device); - keyboard_device=0; - pthread_mutex_destroy(&libusb_mutex); - return retval; - } - return -1; + pthread_mutex_destroy(&libusb_mutex); + return closeKeyboardDevice(); } - static void dumpPixmapIntoLCDFormat(unsigned char *lcd_buffer, unsigned char const *data) { /* |