From: Hans Verkuil <hans.verkuil@xxxxxxxxx> Add V4L2_CAP_DEVICE_CAPS support to querycap and replace -EINVAL by -ENOTTY whenever an ioctl is not supported. Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> --- drivers/media/video/gspca/gspca.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 7b03f36..734eacd 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1066,10 +1066,10 @@ static int vidioc_g_register(struct file *file, void *priv, struct gspca_dev *gspca_dev = video_drvdata(file); if (!gspca_dev->sd_desc->get_chip_ident) - return -EINVAL; + return -ENOTTY; if (!gspca_dev->sd_desc->get_register) - return -EINVAL; + return -ENOTTY; if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; @@ -1090,10 +1090,10 @@ static int vidioc_s_register(struct file *file, void *priv, struct gspca_dev *gspca_dev = video_drvdata(file); if (!gspca_dev->sd_desc->get_chip_ident) - return -EINVAL; + return -ENOTTY; if (!gspca_dev->sd_desc->set_register) - return -EINVAL; + return -ENOTTY; if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; @@ -1115,7 +1115,7 @@ static int vidioc_g_chip_ident(struct file *file, void *priv, struct gspca_dev *gspca_dev = video_drvdata(file); if (!gspca_dev->sd_desc->get_chip_ident) - return -EINVAL; + return -ENOTTY; if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; @@ -1410,9 +1410,10 @@ static int vidioc_querycap(struct file *file, void *priv, } usb_make_path(gspca_dev->dev, (char *) cap->bus_info, sizeof(cap->bus_info)); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE + cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; ret = 0; out: mutex_unlock(&gspca_dev->usb_lock); @@ -1565,7 +1566,7 @@ static int vidioc_querymenu(struct file *file, void *priv, struct gspca_dev *gspca_dev = video_drvdata(file); if (!gspca_dev->sd_desc->querymenu) - return -EINVAL; + return -ENOTTY; return gspca_dev->sd_desc->querymenu(gspca_dev, qmenu); } @@ -1774,7 +1775,7 @@ static int vidioc_g_jpegcomp(struct file *file, void *priv, int ret; if (!gspca_dev->sd_desc->get_jcomp) - return -EINVAL; + return -ENOTTY; if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; gspca_dev->usb_err = 0; @@ -1793,7 +1794,7 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv, int ret; if (!gspca_dev->sd_desc->set_jcomp) - return -EINVAL; + return -ENOTTY; if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; gspca_dev->usb_err = 0; -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html