[RFCv1 PATCH 02/20] cx231xx: add required VIDIOC_DBG_G_CHIP_IDENT support.

[Hans Verkuil]

From: Hans Verkuil <hans.verk...@cisco.com>

This fixes a v4l2_compliance failure.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
 drivers/media/usb/cx231xx/cx231xx-video.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c 
b/drivers/media/usb/cx231xx/cx231xx-video.c
index 7324624..44bc687 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1456,6 +1456,18 @@ static int vidioc_s_frequency(struct file *file, void 
*priv,
        return rc;
 }
 
+static int vidioc_g_chip_ident(struct file *file, void *fh, struct 
v4l2_dbg_chip_ident *chip)
+{
+       chip->ident = V4L2_IDENT_NONE;
+       chip->revision = 0;
+       if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
+               if (v4l2_chip_match_host(&chip->match))
+                       chip->ident = V4L2_IDENT_CX23100;
+               return 0;
+       }
+       return -EINVAL;
+}
+
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 
 /*
@@ -2513,6 +2525,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
        .vidioc_s_tuner                = vidioc_s_tuner,
        .vidioc_g_frequency            = vidioc_g_frequency,
        .vidioc_s_frequency            = vidioc_s_frequency,
+       .vidioc_g_chip_ident           = vidioc_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
        .vidioc_g_register             = vidioc_g_register,
        .vidioc_s_register             = vidioc_s_register,
-- 
1.7.10.4

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