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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-01-23 22:11:06 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2006-01-23 22:11:06 +0300 |
| commit | 2701dacb5ae5e7ecab4131605bdbcedd92bbaf82 (patch) | |
| tree | 7b4afaa7734005b77bdc9b2be93dff341ee65e2b /drivers/media/video/tvp5150.c | |
| parent | 10b7a903072eb066b17cc9049d6ea55dd044f4c3 (diff) | |
| download | linux-2701dacb5ae5e7ecab4131605bdbcedd92bbaf82.tar.xz | |
V4L/DVB (3410): Implemented sliced VBI set on VIDIOC_S_FMT
- Implemented sliced VBI set on VIDIOC_S_FMT
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/tvp5150.c')
| -rw-r--r-- | drivers/media/video/tvp5150.c | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c index 17a8dd726912..df7f304416c9 100644 --- a/drivers/media/video/tvp5150.c +++ b/drivers/media/video/tvp5150.c @@ -637,12 +637,15 @@ static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs, * 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_client *c, unsigned int type, } if (line<6||line>27) - return -EINVAL; + return 0; - type=type | (flags & 0xf0); + 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=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_client *c, unsigned int type, 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_client *c, 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: { |