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[media] em28xx: move tuner frequency field from struct em28xx to struct v4l2

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Move V4L2-specific frequency cache to struct em28xx_v4l2.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Frank Schaefer 2014-03-24 16:33:22 -03:00 committed by Mauro Carvalho Chehab
parent 8139a4d583
commit 3854b0d847
2 changed files with 11 additions and 8 deletions
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16
drivers/media/usb/em28xx/em28xx-video.c
View File

@ -963,7 +963,7 @@ int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
/* Ask tuner to go to analog or radio mode */
memset(&f, 0, sizeof(f));
f.frequency = dev->ctl_freq;
f.frequency = v4l2->frequency;
if (vq->owner && vq->owner->vdev->vfl_type == VFL_TYPE_RADIO)
f.type = V4L2_TUNER_RADIO;
else
@ -1593,11 +1593,12 @@ static int vidioc_g_frequency(struct file *file, void *priv,
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx_v4l2 *v4l2 = dev->v4l2;
if (0 != f->tuner)
return -EINVAL;
f->frequency = dev->ctl_freq;
f->frequency = v4l2->frequency;
return 0;
}
@ -1614,7 +1615,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, s_frequency, f);
v4l2_device_call_all(&v4l2->v4l2_dev, 0, tuner, g_frequency, &new_freq);
dev->ctl_freq = new_freq.frequency;
v4l2->frequency = new_freq.frequency;
return 0;
}
@ -2220,9 +2221,10 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev,
static void em28xx_tuner_setup(struct em28xx *dev)
{
struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev;
struct tuner_setup tun_setup;
struct v4l2_frequency f;
struct em28xx_v4l2 *v4l2 = dev->v4l2;
struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev;
struct tuner_setup tun_setup;
struct v4l2_frequency f;
if (dev->tuner_type == TUNER_ABSENT)
return;
@ -2277,7 +2279,7 @@ static void em28xx_tuner_setup(struct em28xx *dev)
f.tuner = 0;
f.type = V4L2_TUNER_ANALOG_TV;
f.frequency = 9076; /* just a magic number */
dev->ctl_freq = f.frequency;
v4l2->frequency = f.frequency;
v4l2_device_call_all(v4l2_dev, 0, tuner, s_frequency, &f);
}

3
drivers/media/usb/em28xx/em28xx.h
View File

@ -527,6 +527,8 @@ struct em28xx_v4l2 {
int users; /* user count for exclusive use */
int streaming_users; /* number of actively streaming users */
u32 frequency; /* selected tuner frequency */
struct em28xx_fmt *format;
v4l2_std_id norm; /* selected tv norm */
@ -645,7 +647,6 @@ struct em28xx {
struct rt_mutex i2c_bus_lock;
/* video for linux */
int ctl_freq; /* selected frequency */
unsigned int ctl_input; /* selected input */
unsigned int ctl_ainput;/* selected audio input */
unsigned int ctl_aoutput;/* selected audio output */