Hi Ricardo, Thank you for the patch. On Fri, Dec 02, 2022 at 05:48:52PM +0100, Ricardo Ribalda wrote: > When the device suspends, it keeps power-cycling. > > The user notices it because the LED constanct oscillate between > blue (ready) and no LED (off). > > <6>[95202.128542] usb 3-3-port4: attempt power cycle > <6>[95206.070120] usb 3-3.4: new high-speed USB device number 49 using xhci_hcd > <6>[95206.212027] usb 3-3.4: New USB device found, idVendor=2e1a, idProduct=4c01, bcdDevice= 2.00 > <6>[95206.212044] usb 3-3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=<Serial: 1> > <6>[95206.212050] usb 3-3.4: Product: Insta360 Link > <6>[95206.212075] usb 3-3.4: Manufacturer: Amba > <7>[95206.214862] usb 3-3.4: GPIO lookup for consumer privacy > <7>[95206.214866] usb 3-3.4: using lookup tables for GPIO lookup > <7>[95206.214869] usb 3-3.4: No GPIO consumer privacy found > <6>[95206.214871] usb 3-3.4: Found UVC 1.10 device Insta360 Link (2e1a:4c01) > <3>[95206.217113] usb 3-3.4: Failed to query (GET_INFO) UVC control 14 on unit 1: -32 (exp. 1). > <3>[95206.217733] usb 3-3.4: Failed to query (GET_INFO) UVC control 16 on unit 1: -32 (exp. 1). > <4>[95206.223544] usb 3-3.4: Warning! Unlikely big volume range (=32767), cval->res is probably wrong. > <4>[95206.223554] usb 3-3.4: [9] FU [Mic Capture Volume] ch = 1, val = -32768/-1/1 > <6>[95210.698990] usb 3-3.4: USB disconnect, device number 49 > <6>[95211.963090] usb 3-3.4: new high-speed USB device number 50 using xhci_hcd > <6>[95212.657061] usb 3-3.4: new full-speed USB device number 51 using xhci_hcd > <3>[95212.783119] usb 3-3.4: device descriptor read/64, error -32 > <3>[95213.015076] usb 3-3.4: device descriptor read/64, error -32 > <6>[95213.120358] usb 3-3-port4: attempt power cycle > > Bus 001 Device 009: ID 2e1a:4c01 Amba Insta360 Link > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.00 > bDeviceClass 239 Miscellaneous Device > bDeviceSubClass 2 > bDeviceProtocol 1 Interface Association > bMaxPacketSize0 64 > idVendor 0x2e1a > idProduct 0x4c01 > bcdDevice 2.00 > iManufacturer 1 Amba > iProduct 2 Insta360 Link > iSerial 0 > bNumConfigurations 1 > > Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > --- > media: uvcvideo: Disable autosuspend for Insta360 > > The device does not handle properly the USB suspend and makes it barely usable. Isn't this best handled with a quirk in the USB core ? Autosuspend is a device feature, not an interface feature, so if the USB sound driver is loaded but uvcvideo isn't, the kernel may still attempt to autosuspend the device. > To: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > To: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > Cc: linux-media@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > --- > drivers/media/usb/uvc/uvc_driver.c | 13 ++++++++++++- > drivers/media/usb/uvc/uvcvideo.h | 1 + > 2 files changed, 13 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c > index 215fb483efb0..ad95c7599863 100644 > --- a/drivers/media/usb/uvc/uvc_driver.c > +++ b/drivers/media/usb/uvc/uvc_driver.c > @@ -2223,7 +2223,9 @@ static int uvc_probe(struct usb_interface *intf, > } > > uvc_dbg(dev, PROBE, "UVC device initialized\n"); > - usb_enable_autosuspend(udev); > + if (!(dev->quirks & UVC_QUIRK_DISABLE_AUTOSUSPEND)) > + usb_enable_autosuspend(udev); > + > return 0; > > error: > @@ -2967,6 +2969,15 @@ static const struct usb_device_id uvc_ids[] = { > .bInterfaceSubClass = 1, > .bInterfaceProtocol = 0, > .driver_info = (kernel_ulong_t)&uvc_quirk_force_y8 }, > + /* Insta360 Link */ > + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > + | USB_DEVICE_ID_MATCH_INT_INFO, > + .idVendor = 0x2e1a, > + .idProduct = 0x4c01, > + .bInterfaceClass = USB_CLASS_VIDEO, > + .bInterfaceSubClass = 1, > + .bInterfaceProtocol = 0, > + .driver_info = UVC_INFO_QUIRK(UVC_QUIRK_DISABLE_AUTOSUSPEND) }, > /* GEO Semiconductor GC6500 */ > { .match_flags = USB_DEVICE_ID_MATCH_DEVICE > | USB_DEVICE_ID_MATCH_INT_INFO, > diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h > index df93db259312..47c86c7c6346 100644 > --- a/drivers/media/usb/uvc/uvcvideo.h > +++ b/drivers/media/usb/uvc/uvcvideo.h > @@ -74,6 +74,7 @@ > #define UVC_QUIRK_RESTORE_CTRLS_ON_INIT 0x00000400 > #define UVC_QUIRK_FORCE_Y8 0x00000800 > #define UVC_QUIRK_FORCE_BPP 0x00001000 > +#define UVC_QUIRK_DISABLE_AUTOSUSPEND 0x00002000 > > /* Format flags */ > #define UVC_FMT_FLAG_COMPRESSED 0x00000001 > > --- > base-commit: 23758867219c8d84c8363316e6dd2f9fd7ae3049 > change-id: 20221101-instal-9a77ba1cc448 -- Regards, Laurent Pinchart