V4L/DVB (7755): ivtv: add support for card comments and detected but unsupported cards

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

3 files changed, 10 insertions, 0 deletions

diff --git a/drivers/media/video/ivtv/ivtv-cards.c b/drivers/media/video/ivtv/ivtv-cards.c
index e908649ea37c..bf9b32a6c1ad 100644
--- a/drivers/media/video/ivtv/ivtv-cards.c
+++ b/drivers/media/video/ivtv/ivtv-cards.c
@@ -875,6 +875,7 @@ static const struct ivtv_card_pci_info ivtv_pci_pg600v2[] = {
 static const struct ivtv_card ivtv_card_pg600v2 = {
         .type = IVTV_CARD_PG600V2,
         .name = "Yuan PG600-2, GotView PCI DVD Lite",
+        .comment = "only Composite and S-Video inputs are supported, not the tuner\n",
         .v4l2_capabilities = IVTV_CAP_ENCODER,
         .hw_video = IVTV_HW_CX25840,
         .hw_audio = IVTV_HW_CX25840,
@@ -940,6 +941,7 @@ static const struct ivtv_card_pci_info ivtv_pci_avertv_mce116[] = {
 static const struct ivtv_card ivtv_card_avertv_mce116 = {
         .type = IVTV_CARD_AVERTV_MCE116,
         .name = "AVerTV MCE 116 Plus",
+        .comment = "only Composite and S-Video inputs are supported, not the tuner\n",
         .v4l2_capabilities = IVTV_CAP_ENCODER,
         .hw_video = IVTV_HW_CX25840,
         .hw_audio = IVTV_HW_CX25840,
diff --git a/drivers/media/video/ivtv/ivtv-cards.h b/drivers/media/video/ivtv/ivtv-cards.h
index 9186fa2ee5fc..bfb385c56099 100644
--- a/drivers/media/video/ivtv/ivtv-cards.h
+++ b/drivers/media/video/ivtv/ivtv-cards.h
@@ -244,6 +244,7 @@ struct ivtv_card_tuner_i2c {
 struct ivtv_card {
         int type;
         char *name;
+        char *comment;
         u32 v4l2_capabilities;
         u32 hw_video;           /* hardware used to process video */
         u32 hw_audio;           /* hardware used to process audio */
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index 06a1f3c4de4b..e6f319f7a1b9 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -1097,6 +1097,13 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
                    The PCI IDs are not always reliable. */
                 ivtv_process_eeprom(itv);
         }
+        if (itv->card->comment)
+                IVTV_INFO("%s", itv->card->comment);
+        if (itv->card->v4l2_capabilities == 0) {
+                /* card was detected but is not supported */
+                retval = -ENODEV;
+                goto free_i2c;
+        }
 
         if (itv->std == 0) {
                 itv->std = V4L2_STD_NTSC_M;