V4L/DVB (11076): au0828: make g_chip_ident call work properly

Make the g_chip_ident call work for the au0828/au8522.  Discovered when testing
with the v4l2_compliance tool

Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
[mchehab@redhat.com: fix merge conflict, due to a path change for analog demod]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 12 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/au8522_decoder.c b/drivers/media/dvb/frontends/au8522_decoder.c
index e2927c145cd8..564636389bae 100644
--- a/drivers/media/dvb/frontends/au8522_decoder.c
+++ b/drivers/media/dvb/frontends/au8522_decoder.c
@@ -636,6 +636,7 @@ static int au8522_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
                 break;
         }
 
+        qc->type = 0;
         return -EINVAL;
 }
 
diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c
index 0dd138370b62..ce80882d45e2 100644
--- a/drivers/media/video/au0828/au0828-video.c
+++ b/drivers/media/video/au0828/au0828-video.c
@@ -1348,7 +1348,15 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
         chip->ident = V4L2_IDENT_NONE;
         chip->revision = 0;
 
+        if (v4l2_chip_match_host(&chip->match)) {
+                chip->ident = V4L2_IDENT_AU0828;
+                return 0;
+        }
+
         au0828_call_i2c_clients(dev, VIDIOC_DBG_G_CHIP_IDENT, chip);
+        if (chip->ident == V4L2_IDENT_NONE)
+                return -EINVAL;
+
         return 0;
 }
 
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index 43684f105fd8..ca2aa6d7e386 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -70,6 +70,9 @@ enum {
         V4L2_IDENT_CX23416 = 416,
         V4L2_IDENT_CX23418 = 418,
 
+        /* module au0828 */
+        V4L2_IDENT_AU0828 = 828,
+
         /* module indycam: just ident 2000 */
         V4L2_IDENT_INDYCAM = 2000,