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reset pipe and is_opened before set_interface cmd

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This commit is contained in:
sakimisu
2023-01-03 22:17:24 +08:00
parent 2e7c4953ce
commit e1585f801c
1 changed files with 19 additions and 13 deletions
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32
class/video/usbh_video.c
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@@ -247,7 +247,25 @@ int usbh_video_open(struct usbh_video *video_class,
int usbh_video_close(struct usbh_video *video_class)
{
struct usb_setup_packet *setup = &video_class->hport->setup;
int ret;
int ret = 0;
USB_LOG_INFO("Close video device\r\n");
if (video_class->is_opened == false) {
return 0;
}
video_class->is_opened = false;
if (video_class->isoin) {
usbh_pipe_free(video_class->isoin);
video_class->isoin = NULL;
}
if (video_class->isoout) {
usbh_pipe_free(video_class->isoout);
video_class->isoout = NULL;
}
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = USB_REQUEST_SET_INTERFACE;
@@ -259,18 +277,6 @@ int usbh_video_close(struct usbh_video *video_class)
if (ret < 0) {
return ret;
}
if (video_class->isoin) {
usbh_pipe_free(video_class->isoin);
video_class->isoin = NULL;
}
if (video_class->isoout) {
usbh_pipe_free(video_class->isoout);
video_class->isoout = NULL;
}
USB_LOG_INFO("Close video device\r\n");
video_class->is_opened = false;
return ret;
}