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10267e1729
Enable testing kernel. Fix compile errors by using new kernel APIs. Fix fuzz by manually editing patches to ensure the code goes in the right place. For 721-NET-no-auto-carrier-off-support.patch, revert upstream commit a307593a6 to keep the OpenWrt ralink driver operational. Add mt7621-pci-phy patch to select REGMAP_MMIO as discussed in PR #3693 and #3952. Run automatic quilt refresh on the rest. Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
247 lines
6.2 KiB
Diff
247 lines
6.2 KiB
Diff
From 975e76214cd2516eb6cfff4c3eec581872645e88 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 19 Sep 2013 01:50:59 +0200
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Subject: [PATCH 31/53] uvc: add iPassion iP2970 support
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/media/usb/uvc/uvc_driver.c | 12 +++
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drivers/media/usb/uvc/uvc_status.c | 2 +
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drivers/media/usb/uvc/uvc_video.c | 147 ++++++++++++++++++++++++++++++++++++
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drivers/media/usb/uvc/uvcvideo.h | 5 +-
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4 files changed, 165 insertions(+), 1 deletion(-)
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--- a/drivers/media/usb/uvc/uvc_driver.c
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+++ b/drivers/media/usb/uvc/uvc_driver.c
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@@ -2969,6 +2969,18 @@ static const struct usb_device_id uvc_id
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.bInterfaceSubClass = 1,
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.bInterfaceProtocol = 0,
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.driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
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+ /* iPassion iP2970 */
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+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
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+ | USB_DEVICE_ID_MATCH_INT_INFO,
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+ .idVendor = 0x1B3B,
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+ .idProduct = 0x2970,
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+ .bInterfaceClass = USB_CLASS_VIDEO,
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+ .bInterfaceSubClass = 1,
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+ .bInterfaceProtocol = 0,
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+ .driver_info = UVC_QUIRK_PROBE_MINMAX
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+ | UVC_QUIRK_STREAM_NO_FID
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+ | UVC_QUIRK_MOTION
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+ | UVC_QUIRK_SINGLE_ISO },
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/* Generic USB Video Class */
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{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
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{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
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--- a/drivers/media/usb/uvc/uvc_status.c
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+++ b/drivers/media/usb/uvc/uvc_status.c
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@@ -223,6 +223,7 @@ static void uvc_status_complete(struct u
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if (uvc_event_control(urb, status, len))
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/* The URB will be resubmitted in work context. */
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return;
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+ dev->motion = 1;
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break;
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}
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@@ -271,6 +272,7 @@ int uvc_status_init(struct uvc_device *d
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}
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pipe = usb_rcvintpipe(dev->udev, ep->desc.bEndpointAddress);
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+ dev->motion = 0;
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/* For high-speed interrupt endpoints, the bInterval value is used as
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* an exponent of two. Some developers forgot about it.
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--- a/drivers/media/usb/uvc/uvc_video.c
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+++ b/drivers/media/usb/uvc/uvc_video.c
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@@ -16,6 +16,11 @@
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#include <linux/wait.h>
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#include <linux/atomic.h>
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#include <asm/unaligned.h>
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+#include <linux/skbuff.h>
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+#include <linux/kobject.h>
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+#include <linux/netlink.h>
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+#include <linux/kobject.h>
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+#include <linux/workqueue.h>
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#include <media/v4l2-common.h>
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@@ -1156,9 +1161,149 @@ static void uvc_video_decode_data(struct
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uvc_urb->async_operations++;
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}
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+struct bh_priv {
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+ unsigned long seen;
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+};
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+
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+struct bh_event {
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+ const char *name;
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+ struct sk_buff *skb;
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+ struct work_struct work;
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+};
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+
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+#define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, "webcam", ##args )
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+#define BH_DBG(fmt, args...) do {} while (0)
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+#define BH_SKB_SIZE 2048
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+
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+extern u64 uevent_next_seqnum(void);
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+static int seen = 0;
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+
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+static int bh_event_add_var(struct bh_event *event, int argv,
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+ const char *format, ...)
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+{
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+ static char buf[128];
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+ char *s;
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+ va_list args;
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+ int len;
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+
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+ if (argv)
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+ return 0;
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+
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+ va_start(args, format);
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+ len = vsnprintf(buf, sizeof(buf), format, args);
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+ va_end(args);
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+
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+ if (len >= sizeof(buf)) {
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+ BH_ERR("buffer size too small\n");
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+ WARN_ON(1);
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+ return -ENOMEM;
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+ }
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+
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+ s = skb_put(event->skb, len + 1);
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+ strcpy(s, buf);
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+
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+ BH_DBG("added variable '%s'\n", s);
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+
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+ return 0;
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+}
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+
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+static int motion_hotplug_fill_event(struct bh_event *event)
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+{
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+ int s = jiffies;
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+ int ret;
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+
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+ if (!seen)
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+ seen = jiffies;
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+
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+ ret = bh_event_add_var(event, 0, "HOME=%s", "/");
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+ if (ret)
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+ return ret;
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+
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+ ret = bh_event_add_var(event, 0, "PATH=%s",
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+ "/sbin:/bin:/usr/sbin:/usr/bin");
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+ if (ret)
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+ return ret;
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+
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+ ret = bh_event_add_var(event, 0, "SUBSYSTEM=usb");
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+ if (ret)
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+ return ret;
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+
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+ ret = bh_event_add_var(event, 0, "ACTION=motion");
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+ if (ret)
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+ return ret;
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+
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+ ret = bh_event_add_var(event, 0, "SEEN=%d", s - seen);
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+ if (ret)
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+ return ret;
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+ seen = s;
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+
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+ ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum());
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+
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+ return ret;
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+}
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+
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+static void motion_hotplug_work(struct work_struct *work)
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+{
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+ struct bh_event *event = container_of(work, struct bh_event, work);
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+ int ret = 0;
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+
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+ event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL);
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+ if (!event->skb)
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+ goto out_free_event;
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+
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+ ret = bh_event_add_var(event, 0, "%s@", "add");
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+ if (ret)
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+ goto out_free_skb;
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+
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+ ret = motion_hotplug_fill_event(event);
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+ if (ret)
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+ goto out_free_skb;
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+
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+ NETLINK_CB(event->skb).dst_group = 1;
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+ broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
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+
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+out_free_skb:
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+ if (ret) {
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+ BH_ERR("work error %d\n", ret);
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+ kfree_skb(event->skb);
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+ }
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+out_free_event:
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+ kfree(event);
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+}
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+
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+static int motion_hotplug_create_event(void)
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+{
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+ struct bh_event *event;
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+
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+ event = kzalloc(sizeof(*event), GFP_KERNEL);
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+ if (!event)
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+ return -ENOMEM;
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+
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+ event->name = "motion";
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+
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+ INIT_WORK(&event->work, (void *)(void *)motion_hotplug_work);
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+ schedule_work(&event->work);
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+
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+ return 0;
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+}
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+
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+#define MOTION_FLAG_OFFSET 4
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static void uvc_video_decode_end(struct uvc_streaming *stream,
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struct uvc_buffer *buf, const u8 *data, int len)
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{
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+ if ((stream->dev->quirks & UVC_QUIRK_MOTION) &&
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+ (data[len - 2] == 0xff) && (data[len - 1] == 0xd9)) {
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+ u8 *mem;
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+ buf->state = UVC_BUF_STATE_READY;
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+ mem = (u8 *) (buf->mem + MOTION_FLAG_OFFSET);
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+ if ( stream->dev->motion ) {
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+ stream->dev->motion = 0;
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+ motion_hotplug_create_event();
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+ } else {
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+ *mem &= 0x7f;
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+ }
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+ }
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+
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/* Mark the buffer as done if the EOF marker is set. */
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if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) {
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uvc_trace(UVC_TRACE_FRAME, "Frame complete (EOF found).\n");
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@@ -1715,6 +1860,8 @@ static int uvc_init_video_isoc(struct uv
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if (npackets == 0)
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return -ENOMEM;
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+ if (stream->dev->quirks & UVC_QUIRK_SINGLE_ISO)
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+ npackets = 1;
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size = npackets * psize;
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for_each_uvc_urb(uvc_urb, stream) {
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--- a/drivers/media/usb/uvc/uvcvideo.h
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+++ b/drivers/media/usb/uvc/uvcvideo.h
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@@ -203,7 +203,9 @@
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#define UVC_QUIRK_RESTORE_CTRLS_ON_INIT 0x00000400
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#define UVC_QUIRK_FORCE_Y8 0x00000800
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#define UVC_QUIRK_FORCE_BPP 0x00001000
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-
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+#define UVC_QUIRK_MOTION 0x00001000
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+#define UVC_QUIRK_SINGLE_ISO 0x00002000
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+
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/* Format flags */
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#define UVC_FMT_FLAG_COMPRESSED 0x00000001
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#define UVC_FMT_FLAG_STREAM 0x00000002
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@@ -672,6 +674,7 @@ struct uvc_device {
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u8 *status;
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struct input_dev *input;
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char input_phys[64];
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+ int motion;
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struct uvc_ctrl_work {
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struct work_struct work;
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