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Commit 64d416ec authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] usbvision: frequency fixes 



- setup initial radio and tv frequencies.
- set/get the correct frequency (radio vs tv).
- disable tuner/freq ioctls if there is no tuner.
- fix some tuner index checks.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent cbe12cc6

drivers/media/usb/usbvision/usbvision-video.c

+28 −16
Original line number Diff line number Diff line
@@ -608,14 +608,13 @@ static int vidioc_g_tuner(struct file *file, void *priv, 
{

	struct usb_usbvision *usbvision = video_drvdata(file);



	if (!usbvision->have_tuner || vt->index)	/* Only tuner 0 */

	if (vt->index)	/* Only tuner 0 */

		return -EINVAL;

	if (usbvision->radio) {

	if (vt->type == V4L2_TUNER_RADIO)

		strcpy(vt->name, "Radio");

		vt->type = V4L2_TUNER_RADIO;

	} else {

	else

		strcpy(vt->name, "Television");

	}



	/* Let clients fill in the remainder of this struct */

	call_all(usbvision, tuner, g_tuner, vt);
@@ -627,8 +626,8 @@ static int vidioc_s_tuner(struct file *file, void *priv, 
{

	struct usb_usbvision *usbvision = video_drvdata(file);



	/* Only no or one tuner for now */

	if (!usbvision->have_tuner || vt->index)

	/* Only one tuner for now */

	if (vt->index)

		return -EINVAL;

	/* let clients handle this */

	call_all(usbvision, tuner, s_tuner, vt);
@@ -641,12 +640,13 @@ static int vidioc_g_frequency(struct file *file, void *priv, 
{

	struct usb_usbvision *usbvision = video_drvdata(file);



	freq->tuner = 0; /* Only one tuner */

	if (usbvision->radio)

		freq->type = V4L2_TUNER_RADIO;

	/* Only one tuner */

	if (freq->tuner)

		return -EINVAL;

	if (freq->type == V4L2_TUNER_RADIO)

		freq->frequency = usbvision->radio_freq;

	else

		freq->type = V4L2_TUNER_ANALOG_TV;

	freq->frequency = usbvision->freq;

		freq->frequency = usbvision->tv_freq;



	return 0;

}
@@ -655,13 +655,18 @@ static int vidioc_s_frequency(struct file *file, void *priv, 
				const struct v4l2_frequency *freq)

{

	struct usb_usbvision *usbvision = video_drvdata(file);

	struct v4l2_frequency new_freq = *freq;



	/* Only no or one tuner for now */

	if (!usbvision->have_tuner || freq->tuner)

	/* Only one tuner for now */

	if (freq->tuner)

		return -EINVAL;



	usbvision->freq = freq->frequency;

	call_all(usbvision, tuner, s_frequency, freq);

	call_all(usbvision, tuner, g_frequency, &new_freq);

	if (freq->type == V4L2_TUNER_RADIO)

		usbvision->radio_freq = new_freq.frequency;

	else

		usbvision->tv_freq = new_freq.frequency;



	return 0;

}
@@ -1287,6 +1292,12 @@ static int usbvision_register_video(struct usb_usbvision *usbvision) 
	/* Video Device: */

	usbvision_vdev_init(usbvision, &usbvision->vdev,

			      &usbvision_video_template, "USBVision Video");

	if (!usbvision->have_tuner) {

		v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_G_FREQUENCY);

		v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_S_TUNER);

		v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_G_FREQUENCY);

		v4l2_disable_ioctl(&usbvision->vdev, VIDIOC_S_TUNER);

	}

	if (video_register_device(&usbvision->vdev, VFL_TYPE_GRABBER, video_nr) < 0)

		goto err_exit;

	printk(KERN_INFO "USBVision[%d]: registered USBVision Video device %s [v4l2]\n",
@@ -1403,9 +1414,10 @@ static void usbvision_configure_video(struct usb_usbvision *usbvision) 
	}



	usbvision->tvnorm_id = usbvision_device_data[model].video_norm;



	usbvision->video_inputs = usbvision_device_data[model].video_channels;

	usbvision->ctl_input = 0;

	usbvision->radio_freq = 87.5 * 16000;

	usbvision->tv_freq = 400 * 16;



	/* This should be here to make i2c clients to be able to register */

	/* first switch off audio */

drivers/media/usb/usbvision/usbvision.h

+2 −1
Original line number Diff line number Diff line
@@ -378,7 +378,8 @@ struct usb_usbvision { 
	int bridge_type;						/* NT1003, NT1004, NT1005 */

	int radio;

	int video_inputs;						/* # of inputs */

	unsigned long freq;

	unsigned long radio_freq;

	unsigned long tv_freq;

	int audio_mute;

	int audio_channel;

	int isoc_mode;							/* format of video data for the usb isoc-transfer */