diff options
| author | Ian Armstrong <ian@iarmst.demon.co.uk> | 2010-05-23 22:10:30 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-06-01 01:24:32 -0300 |
| commit | 5f39b9f660778c3b095fc380da178d58a040add5 (patch) | |
| tree | 95a59b4af26df8481c10953cd37838a953abcd4c /drivers/media | |
| parent | 064a2485aa45956cf1e8520e716839e9d7555b90 (diff) | |
| download | lwn-5f39b9f660778c3b095fc380da178d58a040add5.tar.gz lwn-5f39b9f660778c3b095fc380da178d58a040add5.zip | |
V4L/DVB: ivtvfb : Module load / unload fixes
Check firmware state when loading module & if firmware is not responding exit
with an error. When module is unloaded, only disable the framebuffer & not all
decoder output.
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/ivtv/ivtvfb.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 49e1a283ed36..9ff3425891ed 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -1066,7 +1066,11 @@ static int ivtvfb_init_io(struct ivtv *itv) } mutex_unlock(&itv->serialize_lock); - ivtvfb_get_framebuffer(itv, &oi->video_rbase, &oi->video_buffer_size); + if (ivtvfb_get_framebuffer(itv, &oi->video_rbase, + &oi->video_buffer_size) < 0) { + IVTVFB_ERR("Firmware failed to respond\n"); + return -EIO; + } /* The osd buffer size depends on the number of video buffers allocated on the PVR350 itself. For now we'll hardcode the smallest osd buffer @@ -1158,8 +1162,11 @@ static int ivtvfb_init_card(struct ivtv *itv) } /* Find & setup the OSD buffer */ - if ((rc = ivtvfb_init_io(itv))) + rc = ivtvfb_init_io(itv); + if (rc) { + ivtvfb_release_buffers(itv); return rc; + } /* Set the startup video mode information */ if ((rc = ivtvfb_init_vidmode(itv))) { @@ -1210,6 +1217,7 @@ static int ivtvfb_callback_cleanup(struct device *dev, void *p) { struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); struct ivtv *itv = container_of(v4l2_dev, struct ivtv, v4l2_dev); + struct osd_info *oi = itv->osd_info; if (itv && (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) { if (unregister_framebuffer(&itv->osd_info->ivtvfb_info)) { @@ -1218,7 +1226,7 @@ static int ivtvfb_callback_cleanup(struct device *dev, void *p) return 0; } IVTVFB_INFO("Unregister framebuffer %d\n", itv->instance); - ivtvfb_blank(FB_BLANK_POWERDOWN, &itv->osd_info->ivtvfb_info); + ivtvfb_blank(FB_BLANK_VSYNC_SUSPEND, &oi->ivtvfb_info); ivtvfb_release_buffers(itv); itv->osd_video_pbase = 0; } |