V4L/DVB (3256): When in radio mode ignore VIDIOC_G_TUNER
- Detect when AUDC_SET_RADIO is called.
- When in radio mode ignore VIDIOC_G_TUNER.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index a897d6b..0760726 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -440,6 +440,9 @@
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
return cx25840_audio(client, VIDIOC_S_CTRL, ctrl);
+
+ default:
+ return -EINVAL;
}
return 0;
@@ -564,12 +567,8 @@
{
struct cx25840_state *state = i2c_get_clientdata(client);
struct v4l2_tuner *vt = arg;
- int result = 0;
switch (cmd) {
- case 0:
- break;
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
/* ioctls to allow direct access to the
* cx25840 registers for testing */
@@ -600,8 +599,7 @@
return cx25840_vbi(client, cmd, arg);
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- result = cx25840_audio(client, cmd, arg);
- break;
+ return cx25840_audio(client, cmd, arg);
case VIDIOC_STREAMON:
cx25840_dbg("enable output\n");
@@ -620,19 +618,21 @@
break;
case VIDIOC_G_CTRL:
- result = get_v4lctrl(client, (struct v4l2_control *)arg);
- break;
+ return get_v4lctrl(client, (struct v4l2_control *)arg);
case VIDIOC_S_CTRL:
- result = set_v4lctrl(client, (struct v4l2_control *)arg);
- break;
+ return set_v4lctrl(client, (struct v4l2_control *)arg);
case VIDIOC_G_STD:
*(v4l2_std_id *)arg = cx25840_get_v4lstd(client);
break;
case VIDIOC_S_STD:
- result = set_v4lstd(client, *(v4l2_std_id *)arg);
+ state->radio = 0;
+ return set_v4lstd(client, *(v4l2_std_id *)arg);
+
+ case AUDC_SET_RADIO:
+ state->radio = 1;
break;
case VIDIOC_G_INPUT:
@@ -640,15 +640,13 @@
break;
case VIDIOC_S_INPUT:
- result = set_input(client, *(enum cx25840_video_input *)arg, state->aud_input);
- break;
+ return set_input(client, *(enum cx25840_video_input *)arg, state->aud_input);
case VIDIOC_S_AUDIO:
{
struct v4l2_audio *input = arg;
- result = set_input(client, state->vid_input, input->index);
- break;
+ return set_input(client, state->vid_input, input->index);
}
case VIDIOC_G_AUDIO:
@@ -671,6 +669,9 @@
u8 vpres = cx25840_read(client, 0x80a) & 0x10;
int val = 0;
+ if (state->radio)
+ break;
+
vt->capability |=
V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
@@ -725,12 +726,10 @@
break;
case VIDIOC_G_FMT:
- result = get_v4lfmt(client, (struct v4l2_format *)arg);
- break;
+ return get_v4lfmt(client, (struct v4l2_format *)arg);
case VIDIOC_S_FMT:
- result = set_v4lfmt(client, (struct v4l2_format *)arg);
- break;
+ return set_v4lfmt(client, (struct v4l2_format *)arg);
case VIDIOC_INT_RESET:
cx25840_initialize(client, 0);
@@ -742,11 +741,10 @@
break;
default:
- cx25840_err("invalid ioctl %x\n", cmd);
return -EINVAL;
}
- return result;
+ return 0;
}
/* ----------------------------------------------------------------------- */