Signed-off-by: Frank Schäfer <fschaefer....@googlemail.com>
---
drivers/media/usb/em28xx/em28xx-video.c | 35 ++++++++++++++++++---------------
drivers/media/usb/em28xx/em28xx.h | 3 ++-
2 files changed, 21 insertions(+), 17 deletions(-)
diff --git a/drivers/media/usb/em28xx/em28xx-video.c
b/drivers/media/usb/em28xx/em28xx-video.c
index 0676aa4..821d182 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -155,13 +155,15 @@ static inline unsigned int norm_maxw(struct em28xx *dev)
static inline unsigned int norm_maxh(struct em28xx *dev)
{
+ struct em28xx_v4l2 *v4l2 = dev->v4l2;
+
if (dev->board.is_webcam)
return dev->sensor_yres;
if (dev->board.max_range_640_480)
return 480;
- return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
+ return (v4l2->norm & V4L2_STD_625_50) ? 576 : 480;
}
static int em28xx_vbi_supported(struct em28xx *dev)
@@ -246,10 +248,10 @@ static int em28xx_set_outfmt(struct em28xx *dev)
em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00);
em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, v4l2->vbi_width/4);
em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, v4l2->vbi_height);
- if (dev->norm & V4L2_STD_525_60) {
+ if (v4l2->norm & V4L2_STD_525_60) {
/* NTSC */
em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09);
- } else if (dev->norm & V4L2_STD_625_50) {
+ } else if (v4l2->norm & V4L2_STD_625_50) {
/* PAL */
em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07);
}
@@ -330,7 +332,7 @@ static int em28xx_resolution_set(struct em28xx *dev)
/* Properly setup VBI */
v4l2->vbi_width = 720;
- if (dev->norm & V4L2_STD_525_60)
+ if (v4l2->norm & V4L2_STD_525_60)
v4l2->vbi_height = 12;
else
v4l2->vbi_height = 18;
@@ -1349,7 +1351,7 @@ static int vidioc_g_std(struct file *file, void *priv,
v4l2_std_id *norm)
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- *norm = dev->norm;
+ *norm = dev->v4l2->norm;
return 0;
}
@@ -1371,13 +1373,13 @@ static int vidioc_s_std(struct file *file, void *priv,
v4l2_std_id norm)
struct em28xx_v4l2 *v4l2 = dev->v4l2;
struct v4l2_format f;
- if (norm == dev->norm)
+ if (norm == v4l2->norm)
return 0;
if (dev->streaming_users > 0)
return -EBUSY;
- dev->norm = norm;
+ v4l2->norm = norm;
/* Adjusts width/height, if needed */
f.fmt.pix.width = 720;
@@ -1391,7 +1393,7 @@ static int vidioc_s_std(struct file *file, void *priv,
v4l2_std_id norm)
&v4l2->hscale, &v4l2->vscale);
em28xx_resolution_set(dev);
- v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, dev->norm);
+ v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm);
return 0;
}
@@ -1399,16 +1401,17 @@ static int vidioc_s_std(struct file *file, void *priv,
v4l2_std_id norm)
static int vidioc_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *p)
{
- struct em28xx_fh *fh = priv;
- struct em28xx *dev = fh->dev;
+ struct em28xx_fh *fh = priv;
+ struct em28xx *dev = fh->dev;
+ struct em28xx_v4l2 *v4l2 = dev->v4l2;
int rc = 0;
p->parm.capture.readbuffers = EM28XX_MIN_BUF;
if (dev->board.is_webcam)
- rc = v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 0,
+ rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0,
video, g_parm, p);
else
- v4l2_video_std_frame_period(dev->norm,
+ v4l2_video_std_frame_period(v4l2->norm,
&p->parm.capture.timeperframe);
return rc;
@@ -1809,11 +1812,11 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void
*priv,
memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved));
/* Varies by video standard (NTSC, PAL, etc.) */
- if (dev->norm & V4L2_STD_525_60) {
+ if (v4l2->norm & V4L2_STD_525_60) {
/* NTSC */
format->fmt.vbi.start[0] = 10;
format->fmt.vbi.start[1] = 273;
- } else if (dev->norm & V4L2_STD_625_50) {
+ } else if (v4l2->norm & V4L2_STD_625_50) {
/* PAL */
format->fmt.vbi.start[0] = 6;
format->fmt.vbi.start[1] = 318;
@@ -2425,8 +2428,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
}
/* set default norm */
- dev->norm = V4L2_STD_PAL;
- v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, dev->norm);
+ v4l2->norm = V4L2_STD_PAL;
+ v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_std, v4l2->norm);
dev->interlaced = EM28XX_INTERLACED_DEFAULT;
/* Analog specific initialization */
diff --git a/drivers/media/usb/em28xx/em28xx.h
b/drivers/media/usb/em28xx/em28xx.h
index 7ca0ff98..f0b3b8c 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -518,6 +518,8 @@ struct em28xx_v4l2 {
u8 vinmode;
u8 vinctl;
+ v4l2_std_id norm; /* selected tv norm */
+
/* Frame properties */
int width; /* current frame width */
int height; /* current frame height */
@@ -632,7 +634,6 @@ struct em28xx {
/* video for linux */
int users; /* user count for exclusive use */
int streaming_users; /* Number of actively streaming users */
- v4l2_std_id norm; /* selected tv norm */
int ctl_freq; /* selected frequency */
unsigned int ctl_input; /* selected input */
unsigned int ctl_ainput;/* selected audio input */
--
1.8.4.5
--
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