diff options
Diffstat (limited to 'drivers/media/radio/radio-sf16fmi.c')
| -rw-r--r-- | drivers/media/radio/radio-sf16fmi.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 9cd0338a3d2..b058f36669e 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -27,6 +27,7 @@ #include <linux/io.h> /* outb, outb_p */ #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-ctrls.h> #include "lm7000.h" MODULE_AUTHOR("Petr Vandrovec, vandrove@vc.cvut.cz and M. Kirkwood"); @@ -44,6 +45,7 @@ module_param(radio_nr, int, 0); struct fmi { struct v4l2_device v4l2_dev; + struct v4l2_ctrl_handler hdl; struct video_device vdev; int io; bool mute; @@ -178,46 +180,26 @@ static int vidioc_g_frequency(struct file *file, void *priv, return 0; } -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) +static int fmi_s_ctrl(struct v4l2_ctrl *ctrl) { - switch (qc->id) { - case V4L2_CID_AUDIO_MUTE: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1); - } - return -EINVAL; -} - -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct fmi *fmi = video_drvdata(file); + struct fmi *fmi = container_of(ctrl->handler, struct fmi, hdl); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: - ctrl->value = fmi->mute; - return 0; - } - return -EINVAL; -} - -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct fmi *fmi = video_drvdata(file); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - if (ctrl->value) + if (ctrl->val) fmi_mute(fmi); else fmi_unmute(fmi); - fmi->mute = ctrl->value; + fmi->mute = ctrl->val; return 0; } return -EINVAL; } +static const struct v4l2_ctrl_ops fmi_ctrl_ops = { + .s_ctrl = fmi_s_ctrl, +}; + static const struct v4l2_file_operations fmi_fops = { .owner = THIS_MODULE, .unlocked_ioctl = video_ioctl2, @@ -229,9 +211,6 @@ static const struct v4l2_ioctl_ops fmi_ioctl_ops = { .vidioc_s_tuner = vidioc_s_tuner, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_s_frequency = vidioc_s_frequency, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, }; /* ladis: this is my card. does any other types exist? */ @@ -281,6 +260,7 @@ static int __init fmi_init(void) { struct fmi *fmi = &fmi_card; struct v4l2_device *v4l2_dev = &fmi->v4l2_dev; + struct v4l2_ctrl_handler *hdl = &fmi->hdl; int res, i; int probe_ports[] = { 0, 0x284, 0x384 }; @@ -333,6 +313,18 @@ static int __init fmi_init(void) return res; } + v4l2_ctrl_handler_init(hdl, 1); + v4l2_ctrl_new_std(hdl, &fmi_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); + v4l2_dev->ctrl_handler = hdl; + if (hdl->error) { + res = hdl->error; + v4l2_err(v4l2_dev, "Could not register controls\n"); + v4l2_ctrl_handler_free(hdl); + v4l2_device_unregister(v4l2_dev); + return res; + } + strlcpy(fmi->vdev.name, v4l2_dev->name, sizeof(fmi->vdev.name)); fmi->vdev.v4l2_dev = v4l2_dev; fmi->vdev.fops = &fmi_fops; @@ -346,6 +338,7 @@ static int __init fmi_init(void) fmi_mute(fmi); if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) { + v4l2_ctrl_handler_free(hdl); v4l2_device_unregister(v4l2_dev); release_region(fmi->io, 2); if (pnp_attached) @@ -361,6 +354,7 @@ static void __exit fmi_exit(void) { struct fmi *fmi = &fmi_card; + v4l2_ctrl_handler_free(&fmi->hdl); video_unregister_device(&fmi->vdev); v4l2_device_unregister(&fmi->v4l2_dev); release_region(fmi->io, 2); |