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authorAlexey Klimov <klimov.linux@gmail.com>2009-04-03 18:45:17 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-04-06 21:44:50 -0300
commit406827cccca472b2b2d9dd69020a93504bf29561 (patch)
tree30b8a8e874f87cccb9caf55961656135e1b0f0c2 /drivers/media/radio/dsbr100.c
parentec624803b47a5cc08fc270005890b3bead5df262 (diff)
downloadlinux-linaro-stable-406827cccca472b2b2d9dd69020a93504bf29561.tar.gz
V4L/DVB (11435): dsbr100 radio: convert to to v4l2_device
dsbr100: convert to v4l2_device. Signed-off-by: Alexey Klimov <klimov.linux@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio/dsbr100.c')
-rw-r--r--drivers/media/radio/dsbr100.c88
1 files changed, 36 insertions, 52 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index cc54ed4efc48..613576202294 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -33,6 +33,9 @@
History:
+ Version 0.45:
+ Converted to v4l2_device.
+
Version 0.44:
Add suspend/resume functions, fix unplug of device,
a lot of cleanups and fixes by Alexey Klimov <klimov.linux@gmail.com>
@@ -88,7 +91,7 @@
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/videodev2.h>
-#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <linux/usb.h>
@@ -97,39 +100,8 @@
*/
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
-#define DRIVER_VERSION "v0.44"
-#define RADIO_VERSION KERNEL_VERSION(0, 4, 4)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
- {
- .id = V4L2_CID_AUDIO_MUTE,
- .name = "Mute",
- .minimum = 0,
- .maximum = 1,
- .default_value = 1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- },
-/* HINT: the disabled controls are only here to satify kradio and such apps */
- { .id = V4L2_CID_AUDIO_VOLUME,
- .flags = V4L2_CTRL_FLAG_DISABLED,
- },
- {
- .id = V4L2_CID_AUDIO_BALANCE,
- .flags = V4L2_CTRL_FLAG_DISABLED,
- },
- {
- .id = V4L2_CID_AUDIO_BASS,
- .flags = V4L2_CTRL_FLAG_DISABLED,
- },
- {
- .id = V4L2_CID_AUDIO_TREBLE,
- .flags = V4L2_CTRL_FLAG_DISABLED,
- },
- {
- .id = V4L2_CID_AUDIO_LOUDNESS,
- .flags = V4L2_CTRL_FLAG_DISABLED,
- },
-};
+#define DRIVER_VERSION "v0.45"
+#define RADIO_VERSION KERNEL_VERSION(0, 4, 5)
#define DRIVER_AUTHOR "Markus Demleitner <msdemlei@tucana.harvard.edu>"
#define DRIVER_DESC "D-Link DSB-R100 USB FM radio driver"
@@ -167,6 +139,8 @@ module_param(radio_nr, int, 0);
struct dsbr100_device {
struct usb_device *usbdev;
struct video_device videodev;
+ struct v4l2_device v4l2_dev;
+
u8 *transfer_buffer;
struct mutex lock; /* buffer locking */
int curfreq;
@@ -384,6 +358,7 @@ static void usb_dsbr100_disconnect(struct usb_interface *intf)
mutex_unlock(&radio->lock);
video_unregister_device(&radio->videodev);
+ v4l2_device_disconnect(&radio->v4l2_dev);
}
@@ -479,14 +454,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
- if (qc->id && qc->id == radio_qctrl[i].id) {
- memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
- return 0;
- }
+ switch (qc->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
}
+
return -EINVAL;
}
@@ -656,6 +628,7 @@ static void usb_dsbr100_video_device_release(struct video_device *videodev)
{
struct dsbr100_device *radio = videodev_to_radio(videodev);
+ v4l2_device_unregister(&radio->v4l2_dev);
kfree(radio->transfer_buffer);
kfree(radio);
}
@@ -683,22 +656,15 @@ static const struct v4l2_ioctl_ops usb_dsbr100_ioctl_ops = {
.vidioc_s_input = vidioc_s_input,
};
-/* V4L2 interface */
-static struct video_device dsbr100_videodev_data = {
- .name = "D-Link DSB-R 100",
- .fops = &usb_dsbr100_fops,
- .ioctl_ops = &usb_dsbr100_ioctl_ops,
- .release = usb_dsbr100_video_device_release,
-};
-
/* check if the device is present and register with v4l and usb if it is */
static int usb_dsbr100_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct dsbr100_device *radio;
+ struct v4l2_device *v4l2_dev;
int retval;
- radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL);
+ radio = kzalloc(sizeof(struct dsbr100_device), GFP_KERNEL);
if (!radio)
return -ENOMEM;
@@ -710,17 +676,35 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
return -ENOMEM;
}
+ v4l2_dev = &radio->v4l2_dev;
+
+ retval = v4l2_device_register(&intf->dev, v4l2_dev);
+ if (retval < 0) {
+ v4l2_err(v4l2_dev, "couldn't register v4l2_device\n");
+ kfree(radio->transfer_buffer);
+ kfree(radio);
+ return retval;
+ }
+
+ strlcpy(radio->videodev.name, v4l2_dev->name, sizeof(radio->videodev.name));
+ radio->videodev.v4l2_dev = v4l2_dev;
+ radio->videodev.fops = &usb_dsbr100_fops;
+ radio->videodev.ioctl_ops = &usb_dsbr100_ioctl_ops;
+ radio->videodev.release = usb_dsbr100_video_device_release;
+
mutex_init(&radio->lock);
- radio->videodev = dsbr100_videodev_data;
radio->removed = 0;
radio->users = 0;
radio->usbdev = interface_to_usbdev(intf);
radio->curfreq = FREQ_MIN * FREQ_MUL;
+
video_set_drvdata(&radio->videodev, radio);
+
retval = video_register_device(&radio->videodev, VFL_TYPE_RADIO, radio_nr);
if (retval < 0) {
- dev_err(&intf->dev, "couldn't register video device\n");
+ v4l2_err(v4l2_dev, "couldn't register video device\n");
+ v4l2_device_unregister(v4l2_dev);
kfree(radio->transfer_buffer);
kfree(radio);
return -EIO;