3 files changed, 26 insertions, 16 deletions

diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index a61d8fd63c12..15f016ad5b89 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -41,13 +41,11 @@ MODULE_PARM_DESC(hdpvr_debug, "enable debugging output");
 
 static uint default_video_input = HDPVR_VIDEO_INPUTS;
 module_param(default_video_input, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / "
-		 "1=S-Video / 2=Composite");
+MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / 1=S-Video / 2=Composite");
 
 static uint default_audio_input = HDPVR_AUDIO_INPUTS;
 module_param(default_audio_input, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / "
-		 "1=RCA front / 2=S/PDIF");
+MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / 1=RCA front / 2=S/PDIF");
 
 static bool boost_audio;
 module_param(boost_audio, bool, S_IRUGO|S_IWUSR);
@@ -165,8 +163,7 @@ static int device_authorization(struct hdpvr_device *dev)
 		dev->flags |= HDPVR_FLAG_AC3_CAP;
 		break;
 	default:
-		v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might"
-			  " not work.\n");
+		v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might not work.\n");
 		if (dev->fw_ver >= HDPVR_FIRMWARE_VERSION_AC3)
 			dev->flags |= HDPVR_FLAG_AC3_CAP;
 		else
diff --git a/drivers/media/usb/hdpvr/hdpvr-i2c.c b/drivers/media/usb/hdpvr/hdpvr-i2c.c
index 9b641c4d4431..fcab55038d99 100644
--- a/drivers/media/usb/hdpvr/hdpvr-i2c.c
+++ b/drivers/media/usb/hdpvr/hdpvr-i2c.c
@@ -145,15 +145,14 @@ static int hdpvr_transfer(struct i2c_adapter *i2c_adapter, struct i2c_msg *msgs,
 						 msgs[0].len);
 	} else if (num == 2) {
 		if (msgs[0].addr != msgs[1].addr) {
-			v4l2_warn(&dev->v4l2_dev, "refusing 2-phase i2c xfer "
-				  "with conflicting target addresses\n");
+			v4l2_warn(&dev->v4l2_dev, "refusing 2-phase i2c xfer with conflicting target addresses\n");
 			retval = -EINVAL;
 			goto out;
 		}
 
 		if ((msgs[0].flags & I2C_M_RD) || !(msgs[1].flags & I2C_M_RD)) {
-			v4l2_warn(&dev->v4l2_dev, "refusing complex xfer with "
-				  "r0=%d, r1=%d\n", msgs[0].flags & I2C_M_RD,
+			v4l2_warn(&dev->v4l2_dev, "refusing complex xfer with r0=%d, r1=%d\n",
+				  msgs[0].flags & I2C_M_RD,
 				  msgs[1].flags & I2C_M_RD);
 			retval = -EINVAL;
 			goto out;
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index 474c11e1d495..7fb036d6a86e 100644
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -336,9 +336,7 @@ static int hdpvr_stop_streaming(struct hdpvr_device *dev)
 
 	buf = kmalloc(dev->bulk_in_size, GFP_KERNEL);
 	if (!buf)
-		v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer "
-			 "for emptying the internal device buffer. "
-			 "Next capture start will be slow\n");
+		v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer for emptying the internal device buffer. Next capture start will be slow\n");
 
 	dev->status = STATUS_SHUTTING_DOWN;
 	hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
@@ -451,6 +449,7 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
 
 		if (buf->status != BUFSTAT_READY &&
 		    dev->status != STATUS_DISCONNECTED) {
+			int err;
 			/* return nonblocking */
 			if (file->f_flags & O_NONBLOCK) {
 				if (!ret)
@@ -458,9 +457,24 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
 				goto err;
 			}
 
-			if (wait_event_interruptible(dev->wait_data,
-					      buf->status == BUFSTAT_READY))
-				return -ERESTARTSYS;
+			err = wait_event_interruptible_timeout(dev->wait_data,
+				buf->status == BUFSTAT_READY,
+				msecs_to_jiffies(1000));
+			if (err < 0) {
+				ret = err;
+				goto err;
+			}
+			if (!err) {
+				v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
+					"timeout: restart streaming\n");
+				hdpvr_stop_streaming(dev);
+				msecs_to_jiffies(4000);
+				err = hdpvr_start_streaming(dev);
+				if (err) {
+					ret = err;
+					goto err;
+				}
+			}
 		}
 
 		if (buf->status != BUFSTAT_READY)