HID: hid-debug: Show rdesc for unclaimed devices (8db089d1) · Commits · 戴 / test

Since commit , the raw report descriptor is available also for unclaimed devices. This patchs make it show in the rdesc debugfs node. Signed-off-by:

drivers/hid/hid-debug.c

+9 −3

Original line number	Diff line number	Diff line
		@@ -911,15 +911,21 @@ static void hid_dump_input_mapping(struct hid_device hid, struct seq_file f)

		}


		static int hid_debug_rdesc_show(struct seq_file f, void p)
		{
		struct hid_device *hdev = f->private;
		const __u8 *rdesc = hdev->rdesc;
		unsigned rsize = hdev->rsize;
		int i;

		if (!rdesc) {
		rdesc = hdev->dev_rdesc;
		rsize = hdev->dev_rsize;
		}

		/* dump HID report descriptor */
		for (i = 0; i < hdev->rsize; i++)
		seq_printf(f, "%02x ", hdev->rdesc[i]);
		for (i = 0; i < rsize; i++)
		seq_printf(f, "%02x ", rdesc[i]);
		seq_printf(f, "\n\n");

		/* dump parsed data and input mappings */