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path: root/drivers/media/video/em28xx/em28xx-core.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-core.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index c8d7ce8fbd3..98e140b5d95 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -632,6 +632,9 @@ int em28xx_capture_start(struct em28xx *dev, int start)
return rc;
}
+ if (dev->board.is_webcam)
+ rc = em28xx_write_reg(dev, 0x13, 0x0c);
+
/* enable video capture */
rc = em28xx_write_reg(dev, 0x48, 0x00);
@@ -650,15 +653,15 @@ int em28xx_set_outfmt(struct em28xx *dev)
int ret;
ret = em28xx_write_reg_bits(dev, EM28XX_R27_OUTFMT,
- dev->format->reg | 0x20, 0x3f);
+ dev->format->reg | 0x20, 0xff);
if (ret < 0)
- return ret;
+ return ret;
- ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, 0x10);
+ ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, dev->vinmode);
if (ret < 0)
return ret;
- return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x11);
+ return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, dev->vinctl);
}
static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax,
@@ -695,13 +698,16 @@ static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
{
u8 mode;
/* the em2800 scaler only supports scaling down to 50% */
- if (dev->board.is_em2800)
+
+ if (dev->board.is_em2800) {
mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00);
- else {
+ } else {
u8 buf[2];
+
buf[0] = h;
buf[1] = h >> 8;
em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2);
+
buf[0] = v;
buf[1] = v >> 8;
em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2);
@@ -717,11 +723,17 @@ int em28xx_resolution_set(struct em28xx *dev)
{
int width, height;
width = norm_maxw(dev);
- height = norm_maxh(dev) >> 1;
+ height = norm_maxh(dev);
+
+ if (!dev->progressive)
+ height >>= norm_maxh(dev);
em28xx_set_outfmt(dev);
+
+
em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
+
return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
}