diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index b311d4514bdf..a41cc5566778 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -24,6 +24,7 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/usb.h> #include <linux/vmalloc.h> #include <media/v4l2-common.h> @@ -691,9 +692,15 @@ int em28xx_set_outfmt(struct em28xx *dev) if (em28xx_vbi_supported(dev) == 1) { vinctrl |= EM28XX_VINCTRL_VBI_RAW; em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00); - em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); - em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, 0xb4); - em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, 0x0c); + em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, dev->vbi_width/4); + em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, dev->vbi_height); + if (dev->norm & V4L2_STD_525_60) { + /* NTSC */ + em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09); + } else if (dev->norm & V4L2_STD_625_50) { + /* PAL */ + em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07); + } } return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl); @@ -760,6 +767,13 @@ int em28xx_resolution_set(struct em28xx *dev) width = norm_maxw(dev); height = norm_maxh(dev); + /* Properly setup VBI */ + dev->vbi_width = 720; + if (dev->norm & V4L2_STD_525_60) + dev->vbi_height = 12; + else + dev->vbi_height = 18; + if (!dev->progressive) height >>= norm_maxh(dev); |