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[media] cx23885: vbi line window adjustments
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Coding style and printk's cleaned up in following patches.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Steven Toth authored and Mauro Carvalho Chehab committed Oct 14, 2011
1 parent 99d3890 commit 4f9c414
Showing 1 changed file with 16 additions and 3 deletions.
19 changes: 16 additions & 3 deletions drivers/media/video/cx23885/cx23885-vbi.c
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,12 @@ MODULE_PARM_DESC(vbi_debug, "enable debug messages [vbi]");

/* ------------------------------------------------------------------ */

#define VBI_LINE_LENGTH 1440
#define NTSC_VBI_START_LINE 10 /* line 10 - 21 */
#define NTSC_VBI_END_LINE 21
#define NTSC_VBI_LINES (NTSC_VBI_END_LINE - NTSC_VBI_START_LINE + 1)


int cx23885_vbi_fmt(struct file *file, void *priv,
struct v4l2_format *f)
{
Expand All @@ -49,16 +55,21 @@ int cx23885_vbi_fmt(struct file *file, void *priv,

if (dev->tvnorm & V4L2_STD_525_60) {
/* ntsc */
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
f->fmt.vbi.sampling_rate = 28636363;
f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
f->fmt.vbi.offset = 64 * 4;
f->fmt.vbi.start[0] = 10;
f->fmt.vbi.start[1] = 273;

f->fmt.vbi.count[0] = 17;
f->fmt.vbi.start[1] = 272;
f->fmt.vbi.count[1] = 17;
} else if (dev->tvnorm & V4L2_STD_625_50) {
/* pal */
f->fmt.vbi.sampling_rate = 35468950;
f->fmt.vbi.start[0] = 7 - 1;
f->fmt.vbi.start[1] = 319 - 1;
}

return 0;
}

Expand Down Expand Up @@ -106,6 +117,8 @@ static int cx23885_start_vbi_dma(struct cx23885_dev *dev,

/* reset counter */
cx_write(VID_A_GPCNT_CTL, 3);
cx_write(VID_A_VBI_CTRL, 3);
cx_write(VBI_A_GPCNT_CTL, 3);
q->count = 1;

/* enable irq */
Expand Down Expand Up @@ -168,7 +181,7 @@ void cx23885_vbi_timeout(unsigned long data)
}

/* ------------------------------------------------------------------ */
#define VBI_LINE_LENGTH 2048
#define VBI_LINE_LENGTH 1440
#define VBI_LINE_COUNT 17

static int
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