diff options
Diffstat (limited to 'drivers/media/radio/radio-mr800.c')
| -rw-r--r-- | drivers/media/radio/radio-mr800.c | 85 |
1 files changed, 31 insertions, 54 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index ded25bfb366e..cab19d05e02f 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -43,6 +43,7 @@ * Douglas Schilling Landgraf <dougsland@gmail.com> and * David Ellingsworth <david@identd.dyndns.org> * for discussion, help and support. + * Version 0.11: Converted to v4l2_device. * * Many things to do: * - Correct power managment of device (suspend & resume) @@ -59,7 +60,7 @@ #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> #include <linux/version.h> /* for KERNEL_VERSION MACRO */ @@ -67,8 +68,8 @@ /* driver and module definitions */ #define DRIVER_AUTHOR "Alexey Klimov <klimov.linux@gmail.com>" #define DRIVER_DESC "AverMedia MR 800 USB FM radio driver" -#define DRIVER_VERSION "0.10" -#define RADIO_VERSION KERNEL_VERSION(0, 1, 0) +#define DRIVER_VERSION "0.11" +#define RADIO_VERSION KERNEL_VERSION(0, 1, 1) MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); @@ -113,38 +114,6 @@ static int radio_nr = -1; module_param(radio_nr, int, 0); MODULE_PARM_DESC(radio_nr, "Radio Nr"); -static struct v4l2_queryctrl radio_qctrl[] = { - { - .id = V4L2_CID_AUDIO_MUTE, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .step = 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, - }, -}; - static int usb_amradio_probe(struct usb_interface *intf, const struct usb_device_id *id); static void usb_amradio_disconnect(struct usb_interface *intf); @@ -159,6 +128,7 @@ struct amradio_device { /* reference to USB and video device */ struct usb_device *usbdev; struct video_device *videodev; + struct v4l2_device v4l2_dev; unsigned char *buffer; struct mutex lock; /* buffer locking */ @@ -329,6 +299,7 @@ static void usb_amradio_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); video_unregister_device(radio->videodev); + v4l2_device_disconnect(&radio->v4l2_dev); } /* vidioc_querycap - query device capabilities */ @@ -463,14 +434,11 @@ 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; } @@ -671,34 +639,29 @@ static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = { .vidioc_s_input = vidioc_s_input, }; -static void usb_amradio_device_release(struct video_device *videodev) +static void usb_amradio_video_device_release(struct video_device *videodev) { struct amradio_device *radio = video_get_drvdata(videodev); /* we call v4l to free radio->videodev */ video_device_release(videodev); + v4l2_device_unregister(&radio->v4l2_dev); + /* free rest memory */ kfree(radio->buffer); kfree(radio); } -/* V4L2 interface */ -static struct video_device amradio_videodev_template = { - .name = "AverMedia MR 800 USB FM Radio", - .fops = &usb_amradio_fops, - .ioctl_ops = &usb_amradio_ioctl_ops, - .release = usb_amradio_device_release, -}; - /* check if the device is present and register with v4l and usb if it is */ static int usb_amradio_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct amradio_device *radio; + struct v4l2_device *v4l2_dev; int retval; - radio = kmalloc(sizeof(struct amradio_device), GFP_KERNEL); + radio = kzalloc(sizeof(struct amradio_device), GFP_KERNEL); if (!radio) { dev_err(&intf->dev, "kmalloc for amradio_device failed\n"); @@ -713,6 +676,15 @@ static int usb_amradio_probe(struct usb_interface *intf, return -ENOMEM; } + v4l2_dev = &radio->v4l2_dev; + retval = v4l2_device_register(&intf->dev, v4l2_dev); + if (retval < 0) { + dev_err(&intf->dev, "couldn't register v4l2_device\n"); + kfree(radio->buffer); + kfree(radio); + return retval; + } + radio->videodev = video_device_alloc(); if (!radio->videodev) { @@ -722,8 +694,11 @@ static int usb_amradio_probe(struct usb_interface *intf, return -ENOMEM; } - memcpy(radio->videodev, &amradio_videodev_template, - sizeof(amradio_videodev_template)); + strlcpy(radio->videodev->name, v4l2_dev->name, sizeof(radio->videodev->name)); + radio->videodev->v4l2_dev = v4l2_dev; + radio->videodev->fops = &usb_amradio_fops; + radio->videodev->ioctl_ops = &usb_amradio_ioctl_ops; + radio->videodev->release = usb_amradio_video_device_release; radio->removed = 0; radio->users = 0; @@ -734,10 +709,12 @@ static int usb_amradio_probe(struct usb_interface *intf, mutex_init(&radio->lock); video_set_drvdata(radio->videodev, radio); + retval = video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr); if (retval < 0) { dev_err(&intf->dev, "could not register video device\n"); video_device_release(radio->videodev); + v4l2_device_unregister(v4l2_dev); kfree(radio->buffer); kfree(radio); return -EIO; |