V4L/DVB (6055): ivtv: improve debug messages

- add FILE debug flag for open/close/read/write/poll.
- show cmd for encoder/decoder command ioctl.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 734f2d2ffa62..2c0f27241332 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -1138,12 +1138,14 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                 memset(&enc->raw, 0, sizeof(enc->raw));
                 switch (enc->cmd) {
                 case V4L2_ENC_CMD_START:
+                        IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
                         enc->flags = 0;
                         if (try)
                                 return 0;
                         return ivtv_start_capture(id);
 
                 case V4L2_ENC_CMD_STOP:
+                        IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
                         enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
                         if (try)
                                 return 0;
@@ -1151,6 +1153,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                         return 0;
 
                 case V4L2_ENC_CMD_PAUSE:
+                        IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
                         enc->flags = 0;
                         if (try)
                                 return 0;
@@ -1163,6 +1166,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                         break;
 
                 case V4L2_ENC_CMD_RESUME:
+                        IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
                         enc->flags = 0;
                         if (try)
                                 return 0;
@@ -1174,6 +1178,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
                         ivtv_unmute(itv);
                         break;
                 default:
+                        IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
                         return -EINVAL;
                 }
                 break;
@@ -1408,9 +1413,9 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
                 int try = (cmd == VIDEO_TRY_COMMAND);
 
                 if (try)
-                        IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND\n");
+                        IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd);
                 else
-                        IVTV_DEBUG_IOCTL("VIDEO_COMMAND\n");
+                        IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd);
                 return ivtv_video_command(itv, id, vc, try);
         }