diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 528254230535..a430fa666897 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1300,6 +1300,10 @@ static void __uvc_ctrl_status_event_work(struct uvc_device *dev,
 
 	mutex_unlock(&chain->ctrl_mutex);
 
+	/* Events not started by the UVC device. E.g. the GPIO unit */
+	if (!w->urb)
+		return;
+
 	/* Resubmit the URB. */
 	w->urb->interval = dev->int_ep->desc.bInterval;
 	ret = usb_submit_urb(w->urb, GFP_KERNEL);
@@ -2317,6 +2321,9 @@ int uvc_ctrl_init_device(struct uvc_device *dev)
 		} else if (UVC_ENTITY_TYPE(entity) == UVC_ITT_CAMERA) {
 			bmControls = entity->camera.bmControls;
 			bControlSize = entity->camera.bControlSize;
+		} else if (UVC_ENTITY_TYPE(entity) == UVC_EXT_GPIO_UNIT) {
+			bmControls = entity->gpio.bmControls;
+			bControlSize = entity->gpio.bControlSize;
 		}
 
 		/* Remove bogus/blacklisted controls */
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index c0c5f75ade40..72516101fdd0 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/atomic.h>
+#include <linux/gpio/consumer.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -1020,6 +1021,7 @@ static int uvc_parse_streaming(struct uvc_device *dev,
 }
 
 static const u8 uvc_camera_guid[16] = UVC_GUID_UVC_CAMERA;
+static const u8 uvc_gpio_guid[16] = UVC_GUID_EXT_GPIO_CONTROLLER;
 static const u8 uvc_media_transport_input_guid[16] =
 	UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT;
 static const u8 uvc_processing_guid[16] = UVC_GUID_UVC_PROCESSING;
@@ -1051,6 +1053,9 @@ static struct uvc_entity *uvc_alloc_entity(u16 type, u16 id,
 	 * is initialized by the caller.
 	 */
 	switch (type) {
+	case UVC_EXT_GPIO_UNIT:
+		memcpy(entity->guid, uvc_gpio_guid, 16);
+		break;
 	case UVC_ITT_CAMERA:
 		memcpy(entity->guid, uvc_camera_guid, 16);
 		break;
@@ -1464,6 +1469,137 @@ static int uvc_parse_control(struct uvc_device *dev)
 	return 0;
 }
 
+/* -----------------------------------------------------------------------------
+ * Privacy GPIO
+ */
+
+
+static u8 uvc_gpio_update_value(struct uvc_device *dev,
+				struct uvc_entity *unit)
+{
+	struct uvc_video_chain *chain;
+	u8 gpio_val, old_val, new_val;
+
+	gpio_val = new_val = gpiod_get_value_cansleep(unit->gpio.gpio_privacy);
+
+	old_val = atomic_xchg(&unit->gpio.gpio_privacy_value, gpio_val);
+	if (new_val == old_val)
+		return new_val;
+
+	/* GPIO entities are always on the first chain. */
+	chain = list_first_entry(&dev->chains, struct uvc_video_chain, list);
+	uvc_ctrl_status_event(NULL, chain, unit->controls, &new_val);
+
+	return new_val;
+}
+
+static int uvc_gpio_get_cur(struct uvc_device *dev, struct uvc_entity *entity,
+			    u8 cs, void *data, u16 size)
+{
+	if (cs != UVC_CT_PRIVACY_CONTROL || size < 1)
+		return -EINVAL;
+
+	*(uint8_t *)data = uvc_gpio_update_value(dev, entity);
+	return 0;
+}
+
+static int uvc_gpio_get_info(struct uvc_device *dev, struct uvc_entity *entity,
+			     u8 cs, u8 *caps)
+{
+	if (cs != UVC_CT_PRIVACY_CONTROL)
+		return -EINVAL;
+
+	*caps = UVC_CONTROL_CAP_GET | UVC_CONTROL_CAP_AUTOUPDATE;
+	return 0;
+}
+
+static struct uvc_entity *uvc_gpio_find_entity(struct uvc_device *dev)
+{
+	struct uvc_video_chain *chain;
+	struct uvc_entity *unit;
+
+	/* GPIO entities are always on the first chain. */
+	chain = list_first_entry(&dev->chains, struct uvc_video_chain, list);
+	list_for_each_entry(unit, &chain->entities, chain) {
+		if (UVC_ENTITY_TYPE(unit) == UVC_EXT_GPIO_UNIT)
+			return unit;
+	}
+
+	return NULL;
+}
+
+static irqreturn_t uvc_gpio_irq(int irq, void *data)
+{
+	struct uvc_device *dev = data;
+	struct uvc_entity *unit;
+
+	unit = uvc_gpio_find_entity(dev);
+	if (!unit)
+		return IRQ_HANDLED;
+
+	uvc_gpio_update_value(dev, unit);
+	return IRQ_HANDLED;
+}
+
+static int uvc_gpio_parse(struct uvc_device *dev)
+{
+	struct uvc_entity *unit;
+	struct gpio_desc *gpio_privacy;
+	int irq;
+
+	gpio_privacy = devm_gpiod_get_optional(&dev->udev->dev, "privacy",
+					       GPIOD_IN);
+	if (IS_ERR_OR_NULL(gpio_privacy))
+		return PTR_ERR_OR_ZERO(gpio_privacy);
+
+	unit = uvc_alloc_entity(UVC_EXT_GPIO_UNIT, UVC_EXT_GPIO_UNIT_ID, 0, 1);
+	if (!unit)
+		return -ENOMEM;
+
+	irq = gpiod_to_irq(gpio_privacy);
+	if (irq == -EPROBE_DEFER)
+		return -EPROBE_DEFER;
+
+	if (irq < 0)
+		dev_warn(&dev->udev->dev,
+		       "Unable to find privacy_gpio: %d\n", irq);
+
+	atomic_set(&unit->gpio.gpio_privacy_value, -1);
+	unit->gpio.gpio_privacy = gpio_privacy;
+	unit->gpio.irq = irq;
+	unit->gpio.bControlSize = 1;
+	unit->gpio.bmControls = (u8 *)unit + sizeof(*unit);
+	unit->gpio.bmControls[0] = 1;
+	unit->get_cur = uvc_gpio_get_cur;
+	unit->get_info = uvc_gpio_get_info;
+
+	sprintf(unit->name, "GPIO");
+
+	list_add_tail(&unit->list, &dev->entities);
+
+	return 0;
+}
+
+static int uvc_gpio_init_irq(struct uvc_device *dev)
+{
+	int ret;
+	struct uvc_entity *unit;
+
+	unit = uvc_gpio_find_entity(dev);
+	if (!unit)
+		return 0;
+
+	if (unit->gpio.irq < 0)
+		return 0;
+
+	ret = devm_request_threaded_irq(&dev->udev->dev, unit->gpio.irq, NULL,
+					uvc_gpio_irq,
+					IRQF_ONESHOT | IRQF_TRIGGER_FALLING |
+					 IRQF_TRIGGER_RISING,
+					"uvc_privacy_gpio", dev);
+	return ret;
+}
+
 /* ------------------------------------------------------------------------
  * UVC device scan
  */
@@ -1915,6 +2051,7 @@ static int uvc_scan_device(struct uvc_device *dev)
 {
 	struct uvc_video_chain *chain;
 	struct uvc_entity *term;
+	struct uvc_entity *unit;
 
 	list_for_each_entry(term, &dev->entities, list) {
 		if (!UVC_ENTITY_IS_OTERM(term))
@@ -1953,6 +2090,13 @@ static int uvc_scan_device(struct uvc_device *dev)
 		return -1;
 	}
 
+	/* Add GPIO entities to the first chain. */
+	chain = list_first_entry(&dev->chains, struct uvc_video_chain, list);
+	list_for_each_entry(unit, &dev->entities, list) {
+		if (UVC_ENTITY_TYPE(unit) == UVC_EXT_GPIO_UNIT)
+			list_add_tail(&unit->chain, &chain->entities);
+	}
+
 	return 0;
 }
 
@@ -2285,6 +2429,12 @@ static int uvc_probe(struct usb_interface *intf,
 		goto error;
 	}
 
+	/* Parse the associated GPIOs. */
+	if (uvc_gpio_parse(dev) < 0) {
+		uvc_trace(UVC_TRACE_PROBE, "Unable to parse UVC GPIOs\n");
+		goto error;
+	}
+
 	uvc_printk(KERN_INFO, "Found UVC %u.%02x device %s (%04x:%04x)\n",
 		dev->uvc_version >> 8, dev->uvc_version & 0xff,
 		udev->product ? udev->product : "<unnamed>",
@@ -2329,6 +2479,12 @@ static int uvc_probe(struct usb_interface *intf,
 			"supported.\n", ret);
 	}
 
+	ret = uvc_gpio_init_irq(dev);
+	if (ret < 0)
+		dev_warn(&dev->udev->dev,
+			 "Unable to request uvc_privacy_gpio irq %d. Continuing wihtout privacy events\n",
+			 ret);
+
 	uvc_trace(UVC_TRACE_PROBE, "UVC device initialized.\n");
 	usb_enable_autosuspend(udev);
 	return 0;
diff --git a/drivers/media/usb/uvc/uvc_entity.c b/drivers/media/usb/uvc/uvc_entity.c
index ca3a9c2eec27..6a9ba5b498db 100644
--- a/drivers/media/usb/uvc/uvc_entity.c
+++ b/drivers/media/usb/uvc/uvc_entity.c
@@ -105,6 +105,7 @@ static int uvc_mc_init_entity(struct uvc_video_chain *chain,
 		case UVC_OTT_DISPLAY:
 		case UVC_OTT_MEDIA_TRANSPORT_OUTPUT:
 		case UVC_EXTERNAL_VENDOR_SPECIFIC:
+		case UVC_EXT_GPIO_UNIT:
 		default:
 			function = MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN;
 			break;
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 6edbf79b2ff1..079a407ebba5 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -6,6 +6,7 @@
 #error "The uvcvideo.h header is deprecated, use linux/uvcvideo.h instead."
 #endif /* __KERNEL__ */
 
+#include <linux/atomic.h>
 #include <linux/kernel.h>
 #include <linux/poll.h>
 #include <linux/usb.h>
@@ -37,6 +38,8 @@
 	(UVC_ENTITY_IS_TERM(entity) && \
 	((entity)->type & 0x8000) == UVC_TERM_OUTPUT)
 
+#define UVC_EXT_GPIO_UNIT		0x7ffe
+#define UVC_EXT_GPIO_UNIT_ID		0x100
 
 /* ------------------------------------------------------------------------
  * GUIDs
@@ -56,6 +59,9 @@
 #define UVC_GUID_UVC_SELECTOR \
 	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
 	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02}
+#define UVC_GUID_EXT_GPIO_CONTROLLER \
+	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03}
 
 #define UVC_GUID_FORMAT_MJPEG \
 	{ 'M',  'J',  'P',  'G', 0x00, 0x00, 0x10, 0x00, \
@@ -278,6 +284,8 @@ struct uvc_format_desc {
 	u32 fcc;
 };
 
+struct gpio_desc;
+
 /* The term 'entity' refers to both UVC units and UVC terminals.
  *
  * The type field is either the terminal type (wTerminalType in the terminal
@@ -353,6 +361,14 @@ struct uvc_entity {
 			u8  *bmControls;
 			u8  *bmControlsType;
 		} extension;
+
+		struct {
+			u8  bControlSize;
+			u8  *bmControls;
+			struct gpio_desc *gpio_privacy;
+			int irq;
+			atomic_t gpio_privacy_value;
+		} gpio;
 	};
 
 	u8 bNrInPins;
