From de97c9ae3348e4a8be580f313fd464d7bc587fad Mon Sep 17 00:00:00 2001
From: Brett Warden <brett.warden@gmail.com>
Date: Fri, 28 Sep 2007 03:19:04 -0300
Subject: [PATCH] --- yaml --- r: 65907 b: refs/heads/master c:
 9e19db5b6dda251b8d76c3a0069e63faca6be3f0 h: refs/heads/master i:   65905:
 dd0b39ab297d38940b319b8097d79bcf86c90e31   65903:
 400b4a6e0f7e690af5c199607f79fa9cce116ec1 v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/media/video/bw-qcam.c | 18 ++++++++++++++++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index bd310bd7eae5..0e2686e38143 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b67f5c568c545cb36f88e9f418af2df1cc58589
+refs/heads/master: 9e19db5b6dda251b8d76c3a0069e63faca6be3f0
diff --git a/trunk/drivers/media/video/bw-qcam.c b/trunk/drivers/media/video/bw-qcam.c
index 7d47cbe6ad25..0edd05ebcc3f 100644
--- a/trunk/drivers/media/video/bw-qcam.c
+++ b/trunk/drivers/media/video/bw-qcam.c
@@ -104,6 +104,17 @@ static inline void write_lpdata(struct qcam_device *q, int d)
 
 static inline void write_lpcontrol(struct qcam_device *q, int d)
 {
+	if(0x20 & d) {
+		/* Set bidirectional mode to reverse (data in) */
+		parport_data_reverse(q->pport);
+	} else {
+		/* Set bidirectional mode to forward (data out) */
+		parport_data_forward(q->pport);
+	}
+
+	/* Now issue the regular port command, but strip out the
+	 * direction flag */
+	d &= ~0x20;
 	parport_write_control(q->pport, d);
 }
 
@@ -344,10 +355,13 @@ static int qc_detect(struct qcam_device *q)
 	/* Be (even more) liberal in what you accept...  */
 
 /*	if (count > 30 && count < 200) */
-	if (count > 20 && count < 300)
+	if (count > 20 && count < 400)
+	{
 		return 1;	/* found */
-	else
+	} else {
+		printk(KERN_ERR "No Quickcam found on port %s\n", q->pport->name);
 		return 0;	/* not found */
+	}
 }