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[19/20] HID: hid-debug: Show rdesc for unclaimed devices

Message ID 1345985858-445-20-git-send-email-rydberg@euromail.se (mailing list archive)
State New, archived
Delegated to: Jiri Kosina
Headers show

Commit Message

Henrik Rydberg Aug. 26, 2012, 12:57 p.m. UTC 
Since commit a7197c2e, the raw report descriptor is available also for
unclaimed devices. This patch makes it show in the rdesc debugfs node.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
---
 drivers/hid/hid-debug.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 01dd9a7..933fff0 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -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 */