diff options
Diffstat (limited to 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/radio-mr800.c | 109 |
1 files changed, 30 insertions, 79 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 5401952004b..0498c4c60d8 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -299,18 +299,8 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct amradio_device *radio = file->private_data; int retval; - mutex_lock(&radio->lock); - - /* safety check */ - if (radio->removed) { - retval = -EIO; - goto unlock; - } - - if (v->index > 0) { - retval = -EINVAL; - goto unlock; - } + if (v->index > 0) + return -EINVAL; /* TODO: Add function which look is signal stereo or not * amradio_getstat(radio); @@ -338,8 +328,6 @@ static int vidioc_g_tuner(struct file *file, void *priv, v->signal = 0xffff; /* Can't get the signal strength, sad.. */ v->afc = 0; /* Don't know what is this */ -unlock: - mutex_unlock(&radio->lock); return retval; } @@ -348,20 +336,10 @@ static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct amradio_device *radio = file->private_data; - int retval; - - mutex_lock(&radio->lock); - - /* safety check */ - if (radio->removed) { - retval = -EIO; - goto unlock; - } + int retval = -EINVAL; - if (v->index > 0) { - retval = -EINVAL; - goto unlock; - } + if (v->index > 0) + return -EINVAL; /* mono/stereo selector */ switch (v->audmode) { @@ -377,12 +355,8 @@ static int vidioc_s_tuner(struct file *file, void *priv, amradio_dev_warn(&radio->videodev.dev, "set stereo failed\n"); break; - default: - retval = -EINVAL; } -unlock: - mutex_unlock(&radio->lock); return retval; } @@ -391,15 +365,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct amradio_device *radio = file->private_data; - int retval; - - mutex_lock(&radio->lock); - - /* safety check */ - if (radio->removed) { - retval = -EIO; - goto unlock; - } + int retval = 0; radio->curfreq = f->frequency; @@ -408,8 +374,6 @@ static int vidioc_s_frequency(struct file *file, void *priv, amradio_dev_warn(&radio->videodev.dev, "set frequency failed\n"); -unlock: - mutex_unlock(&radio->lock); return retval; } @@ -418,22 +382,11 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct amradio_device *radio = file->private_data; - int retval = 0; - - mutex_lock(&radio->lock); - - /* safety check */ - if (radio->removed) { - retval = -EIO; - goto unlock; - } f->type = V4L2_TUNER_RADIO; f->frequency = radio->curfreq; -unlock: - mutex_unlock(&radio->lock); - return retval; + return 0; } /* vidioc_queryctrl - enumerate control items */ @@ -453,26 +406,14 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct amradio_device *radio = file->private_data; - int retval = -EINVAL; - - mutex_lock(&radio->lock); - - /* safety check */ - if (radio->removed) { - retval = -EIO; - goto unlock; - } switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: ctrl->value = radio->muted; - retval = 0; - break; + return 0; } -unlock: - mutex_unlock(&radio->lock); - return retval; + return -EINVAL; } /* vidioc_s_ctrl - set the value of a control */ @@ -482,14 +423,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct amradio_device *radio = file->private_data; int retval = -EINVAL; - mutex_lock(&radio->lock); - - /* safety check */ - if (radio->removed) { - retval = -EIO; - goto unlock; - } - switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: if (ctrl->value) { @@ -508,8 +441,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv, break; } -unlock: - mutex_unlock(&radio->lock); return retval; } @@ -616,6 +547,26 @@ unlock: return retval; } +static long usb_amradio_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct amradio_device *radio = file->private_data; + long retval = 0; + + mutex_lock(&radio->lock); + + if (radio->removed) { + retval = -EIO; + goto unlock; + } + + retval = video_ioctl2(file, cmd, arg); + +unlock: + mutex_unlock(&radio->lock); + return retval; +} + /* Suspend device - stop device. Need to be checked and fixed */ static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message) { @@ -657,7 +608,7 @@ static const struct v4l2_file_operations usb_amradio_fops = { .owner = THIS_MODULE, .open = usb_amradio_open, .release = usb_amradio_close, - .ioctl = video_ioctl2, + .ioctl = usb_amradio_ioctl, }; static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = { |