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>

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:
         {