V4L/DVB (4634): Zr36120: implement pcipci checks

Again depends on the PCIAGP_FAIL patch for a define. Someone with more
card knowledge should look at the ALIMAGIK case and whether latency can
be safely to set to 0xA or so.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/media/video/zr36120.c b/drivers/media/video/zr36120.c
index 50437383ed62..9240638a0134 100644
--- a/drivers/media/video/zr36120.c
+++ b/drivers/media/video/zr36120.c
@@ -987,6 +987,8 @@ int zoran_ioctl(struct video_device* dev, unsigned int cmd, void *arg)
                          VID_TYPE_SCALES;
                 if (ztv->have_tuner)
                         c.type |= VID_TYPE_TUNER;
+                if (pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL))
+                        c.type &= ~VID_TYPE_OVERLAY;
                 if (ztv->have_decoder) {
                         c.channels = ztv->card->video_inputs;
                         c.audios = ztv->card->audio_inputs;
@@ -1284,6 +1286,8 @@ int zoran_ioctl(struct video_device* dev, unsigned int cmd, void *arg)
                 struct video_buffer v;
                 if(!capable(CAP_SYS_ADMIN))
                         return -EPERM;
+                if (pcipci_problems & (PCIPCI_FAIL|PCIAGP_FAIL))
+                        return -ENXIO;
                 if (copy_from_user(&v, arg,sizeof(v)))
                         return -EFAULT;
                 DEBUG(printk(CARD_DEBUG "VIDIOCSFBUF(%p,%d,%d,%d,%d)\n",CARD,v.base, v.width,v.height,v.depth,v.bytesperline));
@@ -2030,7 +2034,7 @@ void release_zoran(int max)
                 /* free it */
                 free_irq(ztv->dev->irq,ztv);
 
-                /* unregister i2c_bus */
+                /* unregister i2c_bus */
                 i2c_unregister_bus((&ztv->i2c));
 
                 /* unmap and free memory */