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V4L/DVB (7549): em28xx: some small cleanups 

- Remove dead code;
- Fix a few CodingStyle issues;
- Prints frame number, if debug is enabled.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-04-13 14:56:25 -03:00
parent e0fadfd34d
commit 78bb3949a9
1 changed files with 4 additions and 11 deletions
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15
drivers/media/video/em28xx/em28xx-video.c
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@ -133,7 +133,7 @@ static inline void buffer_filled(struct em28xx *dev,
struct em28xx_dmaqueue *dma_q,
struct em28xx_buffer *buf)
{
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
mod_timer(&dma_q->timeout, jiffies + BUFFER_TIMEOUT);
/* Advice that buffer was filled */
em28xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
@ -159,7 +159,7 @@ static void em28xx_copy_video(struct em28xx *dev,
if (dev->frame_size != buf->vb.size) {
em28xx_errdev("size %i and buf.length %lu are different!\n",
dev->frame_size, buf->vb.size);
dev->frame_size, buf->vb.size);
return;
}
@ -208,8 +208,6 @@ static void em28xx_copy_video(struct em28xx *dev,
else
lencopy = dev->bytesperline;
BUG_ON(lencopy <= 0);
if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) {
em28xx_isocdbg("Overflow of %zi bytes past buffer end (2)\n",
((char *)startwrite + lencopy) -
@ -319,7 +317,6 @@ static inline int em28xx_isoc_copy(struct urb *urb)
outp = videobuf_to_vmalloc(&buf->vb);
for (i = 0; i < urb->number_of_packets; i++) {
int status = urb->iso_frame_desc[i].status;
@ -347,11 +344,8 @@ static inline int em28xx_isoc_copy(struct urb *urb)
logic simpler. Impacts of those changes should be evaluated
*/
if (p[0] == 0x22 && p[1] == 0x5a) {
/* FIXME - are the fields the right way around? */
em28xx_isocdbg("Video frame, length=%i, %s\n", len,
(p[2] & 1)? "odd" : "even");
em28xx_isocdbg("Current buffer is: outp = 0x%p,"
" len = %i\n", outp, (int)buf->vb.size);
em28xx_isocdbg("Video frame %d, length=%i, %s\n", p[2],
len, (p[2] & 1)? "odd" : "even");
if (p[2] & 1)
buf->top_field = 0;
@ -455,7 +449,6 @@ static void em28xx_uninit_isoc(struct em28xx *dev)
em28xx_capture_start(dev, 0);
}
/*
* Allocate URBs and start IRQ
*/