From 81e78a6fc320693c269990fb1af37b8c2c382cf2 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Fri, 2 Dec 2022 17:45:06 +0100 Subject: [PATCH] media: uvcvideo: Limit power line control for Acer EasyCamera The device does not implement the power line control correctly. Add a corresponding control mapping override. Bus 003 Device 002: ID 5986:1180 Acer, Inc EasyCamera Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x5986 Acer, Inc idProduct 0x1180 bcdDevice 56.04 iManufacturer 3 Bison iProduct 1 EasyCamera iSerial 2 bNumConfigurations 1 Signed-off-by: Ricardo Ribalda Reviewed-by: Sergey Senozhatsky Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- drivers/media/usb/uvc/uvc_driver.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 4f59583bf516..1de17db3356b 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -2967,6 +2967,15 @@ static const struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited }, + /* Acer EasyCamera */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x5986, + .idProduct = 0x1180, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited }, /* Intel RealSense D4M */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,