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authorHans Verkuil <hverkuil@xs4all.nl>2007-08-19 11:08:58 +0200
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-10-10 03:05:42 +0200
commit1aa32c2ffd146dddd76babf842e998502f1b993a (patch)
treed19c6b10cc00211bc4144db68c528fcb6f95fffc /drivers/media/video/ivtv/ivtv-fileops.c
parentV4L/DVB (6054): ivtv: specify some stream sizes in kB instead of MB (diff)
downloadlinux-1aa32c2ffd146dddd76babf842e998502f1b993a.tar.xz
linux-1aa32c2ffd146dddd76babf842e998502f1b993a.zip
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>
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-fileops.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-fileops.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c
index 076b0089a2b0..846e9bfa41f0 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -409,7 +409,7 @@ static ssize_t ivtv_read_pos(struct ivtv_stream *s, char __user *ubuf, size_t co
ssize_t rc = count ? ivtv_read(s, ubuf, count, non_block) : 0;
struct ivtv *itv = s->itv;
- IVTV_DEBUG_HI_INFO("read %zd from %s, got %zd\n", count, s->name, rc);
+ IVTV_DEBUG_HI_FILE("read %zd from %s, got %zd\n", count, s->name, rc);
if (rc > 0)
pos += rc;
return rc;
@@ -500,7 +500,7 @@ ssize_t ivtv_v4l2_read(struct file * filp, char __user *buf, size_t count, loff_
struct ivtv_stream *s = &itv->streams[id->type];
int rc;
- IVTV_DEBUG_HI_IOCTL("read %zd bytes from %s\n", count, s->name);
+ IVTV_DEBUG_HI_FILE("read %zd bytes from %s\n", count, s->name);
rc = ivtv_start_capture(id);
if (rc)
@@ -538,7 +538,7 @@ ssize_t ivtv_v4l2_write(struct file *filp, const char __user *user_buf, size_t c
int rc;
DEFINE_WAIT(wait);
- IVTV_DEBUG_HI_IOCTL("write %zd bytes to %s\n", count, s->name);
+ IVTV_DEBUG_HI_FILE("write %zd bytes to %s\n", count, s->name);
if (s->type != IVTV_DEC_STREAM_TYPE_MPG &&
s->type != IVTV_DEC_STREAM_TYPE_YUV &&
@@ -646,7 +646,7 @@ retry:
to transfer the rest. */
if (count && !(filp->f_flags & O_NONBLOCK))
goto retry;
- IVTV_DEBUG_HI_INFO("Wrote %d bytes to %s (%d)\n", bytes_written, s->name, s->q_full.bytesused);
+ IVTV_DEBUG_HI_FILE("Wrote %d bytes to %s (%d)\n", bytes_written, s->name, s->q_full.bytesused);
return bytes_written;
}
@@ -658,6 +658,7 @@ unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table *wait)
int res = 0;
/* add stream's waitq to the poll list */
+ IVTV_DEBUG_HI_FILE("Decoder poll\n");
poll_wait(filp, &s->waitq, wait);
set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
@@ -687,9 +688,11 @@ unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait)
s->name, rc);
return POLLERR;
}
+ IVTV_DEBUG_FILE("Encoder poll started capture\n");
}
/* add stream's waitq to the poll list */
+ IVTV_DEBUG_HI_FILE("Encoder poll\n");
poll_wait(filp, &s->waitq, wait);
if (eof || s->q_full.length)
@@ -702,7 +705,7 @@ void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end)
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
- IVTV_DEBUG_IOCTL("close() of %s\n", s->name);
+ IVTV_DEBUG_FILE("close() of %s\n", s->name);
/* 'Unclaim' this stream */
@@ -740,7 +743,7 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts)
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
- IVTV_DEBUG_IOCTL("close() of %s\n", s->name);
+ IVTV_DEBUG_FILE("close() of %s\n", s->name);
/* Stop decoding */
if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) {
@@ -772,7 +775,7 @@ int ivtv_v4l2_close(struct inode *inode, struct file *filp)
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
- IVTV_DEBUG_IOCTL("close() of %s\n", s->name);
+ IVTV_DEBUG_FILE("close %s\n", s->name);
v4l2_prio_close(&itv->prio, &id->prio);
@@ -855,6 +858,7 @@ int ivtv_v4l2_open(struct inode *inode, struct file *filp)
IVTV_ERR("Failed to initialize on minor %d\n", minor);
return -ENXIO;
}
+ IVTV_DEBUG_FILE("open %s\n", s->name);
if (y == IVTV_DEC_STREAM_TYPE_MPG &&
test_bit(IVTV_F_S_CLAIMED, &itv->streams[IVTV_DEC_STREAM_TYPE_YUV].s_flags))