diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.c')
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 1e89600986c..b8561dfb6c8 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -727,6 +727,74 @@ static int gspca_get_mode(struct gspca_dev *gspca_dev, return -EINVAL; } +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register(struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + int ret; + struct gspca_dev *gspca_dev = priv; + + if (!gspca_dev->sd_desc->get_chip_ident) + return -EINVAL; + + if (!gspca_dev->sd_desc->get_register) + return -EINVAL; + + if (mutex_lock_interruptible(&gspca_dev->usb_lock)) + return -ERESTARTSYS; + if (gspca_dev->present) + ret = gspca_dev->sd_desc->get_register(gspca_dev, reg); + else + ret = -ENODEV; + mutex_unlock(&gspca_dev->usb_lock); + + return ret; +} + +static int vidioc_s_register(struct file *file, void *priv, + struct v4l2_dbg_register *reg) +{ + int ret; + struct gspca_dev *gspca_dev = priv; + + if (!gspca_dev->sd_desc->get_chip_ident) + return -EINVAL; + + if (!gspca_dev->sd_desc->set_register) + return -EINVAL; + + if (mutex_lock_interruptible(&gspca_dev->usb_lock)) + return -ERESTARTSYS; + if (gspca_dev->present) + ret = gspca_dev->sd_desc->set_register(gspca_dev, reg); + else + ret = -ENODEV; + mutex_unlock(&gspca_dev->usb_lock); + + return ret; +} +#endif + +static int vidioc_g_chip_ident(struct file *file, void *priv, + struct v4l2_dbg_chip_ident *chip) +{ + int ret; + struct gspca_dev *gspca_dev = priv; + + if (!gspca_dev->sd_desc->get_chip_ident) + return -EINVAL; + + if (mutex_lock_interruptible(&gspca_dev->usb_lock)) + return -ERESTARTSYS; + if (gspca_dev->present) + ret = gspca_dev->sd_desc->get_chip_ident(gspca_dev, chip); + else + ret = -ENODEV; + mutex_unlock(&gspca_dev->usb_lock); + + return ret; +} + static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *fmtdesc) { @@ -1883,6 +1951,11 @@ static const struct v4l2_ioctl_ops dev_ioctl_ops = { .vidioc_s_parm = vidioc_s_parm, .vidioc_s_std = vidioc_s_std, .vidioc_enum_framesizes = vidioc_enum_framesizes, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif + .vidioc_g_chip_ident = vidioc_g_chip_ident, #ifdef CONFIG_VIDEO_V4L1_COMPAT .vidiocgmbuf = vidiocgmbuf, #endif |