linux-kernel - [PATCH RFT/RFC 43/49] staging: media: zoran: add vidioc_g

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Message-Id: <1600683624-5863-44-git-send-email-clabbe@baylibre.com>
Date:   Mon, 21 Sep 2020 10:20:18 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     gregkh@...uxfoundation.org, laurent.pinchart@...net.be,
        mchehab@...nel.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH RFT/RFC 43/49] staging: media: zoran: add vidioc_g_parm

Adding vidioc_g_parm made v4l compliance happy.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/staging/media/zoran/zoran_driver.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/staging/media/zoran/zoran_driver.c b/drivers/staging/media/zoran/zoran_driver.c
index 0b4bfc184b57..46bf8b32d57a 100644
--- a/drivers/staging/media/zoran/zoran_driver.c
+++ b/drivers/staging/media/zoran/zoran_driver.c
@@ -2120,6 +2120,14 @@ static int zoran_mmap(struct file *file, struct vm_area_struct *vma)
 	return res;
 }
 
+static int zoran_g_parm(struct file *file, void *priv, struct v4l2_streamparm *parm)
+{
+	if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
+	return 0;
+}
+
 /*
  * Output is disabled temporarily
  * Zoran is picky about jpeg data it accepts. At least it seems to unsupport COM and APPn.
@@ -2127,6 +2135,7 @@ static int zoran_mmap(struct file *file, struct vm_area_struct *vma)
  */
 static const struct v4l2_ioctl_ops zoran_ioctl_ops = {
 	.vidioc_querycap		    = zoran_querycap,
+	.vidioc_g_parm			    = zoran_g_parm,
 	.vidioc_s_selection		    = zoran_s_selection,
 	.vidioc_g_selection		    = zoran_g_selection,
 	.vidioc_enum_input		    = zoran_enum_input,
-- 
2.26.2