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Subject[PATCH 013/141] V4L/DVB (3410): Implemented sliced VBI set on VIDIOC_S_FMT
Date
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Date: 1138043466 -0200

- Implemented sliced VBI set on VIDIOC_S_FMT

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 17a8dd7..df7f304 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -637,12 +637,15 @@ static void tvp5150_vbi_get_cap(const st
* LSB = field1
* MSB = field2
*/
-static int tvp5150_set_vbi(struct i2c_client *c, unsigned int type,
- u8 flags, int line, const int fields)
+static int tvp5150_set_vbi(struct i2c_client *c,
+ const struct i2c_vbi_ram_value *regs,
+ unsigned int type,u8 flags, int line,
+ const int fields)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
v4l2_std_id std=decoder->norm;
u8 reg;
+ int pos=0;

if (std == V4L2_STD_ALL) {
tvp5150_err("VBI can't be configured without knowing number of lines\n");
@@ -653,9 +656,23 @@ static int tvp5150_set_vbi(struct i2c_cl
}

if (line<6||line>27)
- return -EINVAL;
+ return 0;
+
+ while (regs->reg != (u16)-1 ) {
+ if ((type & regs->type.vbi_type) &&
+ (line>=regs->type.ini_line) &&
+ (line<=regs->type.end_line)) {
+ type=regs->type.vbi_type;
+ break;
+ }
+
+ regs++;
+ pos++;
+ }
+ if (regs->reg == (u16)-1)
+ return 0;

- type=type | (flags & 0xf0);
+ type=pos | (flags & 0xf0);
reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;

if (fields&1) {
@@ -666,7 +683,7 @@ static int tvp5150_set_vbi(struct i2c_cl
tvp5150_write(c, reg+1, type);
}

- return 0;
+ return type;
}

static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
@@ -821,7 +838,27 @@ static int tvp5150_command(struct i2c_cl
tvp5150_vbi_get_cap(vbi_ram_default, cap);
break;
}
+ case VIDIOC_S_FMT:
+ {
+ struct v4l2_format *fmt;
+ struct v4l2_sliced_vbi_format *svbi;
+ int i;

+ fmt = arg;
+ if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
+ return -EINVAL;
+ svbi = &fmt->fmt.sliced;
+ if (svbi->service_set != 0) {
+ for (i = 0; i <= 23; i++) {
+ svbi->service_lines[1][i] = 0;
+
+ svbi->service_lines[0][i]=tvp5150_set_vbi(c,
+ vbi_ram_default,
+ svbi->service_lines[0][i],0xf0,i,3);
+ }
+ }
+ break;
+ }
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_INT_G_REGISTER:
{
-
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