diff options
author | Mike Isely <isely@pobox.com> | 2009-03-06 22:28:28 -0500 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 11:43:35 -0400 |
commit | 858f910e869d1300c1ab0cadbe9908322f8bfb78 (patch) | |
tree | d59266af0b4e5ad586c91a37faa49903cb876c73 /drivers/media/video/pvrusb2/pvrusb2-hdw.c | |
parent | 20ae26c84e48b95177e334fa9022f68aa3b77df6 (diff) |
V4L/DVB (11174): pvrusb2: Implement reporting of connected sub-devices
The pvrusb2 driver has a function that reports internal state. It can
be accessed from either the debug interface or as the result of a v4l
log status request. This change adds information listing sub-devices
to the report.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 2f9667e62bb1..bd4e374e37f8 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c | |||
@@ -4779,6 +4779,29 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, | |||
4779 | stats.buffers_processed, | 4779 | stats.buffers_processed, |
4780 | stats.buffers_failed); | 4780 | stats.buffers_failed); |
4781 | } | 4781 | } |
4782 | case 6: { | ||
4783 | struct v4l2_subdev *sd; | ||
4784 | unsigned int tcnt = 0; | ||
4785 | unsigned int ccnt; | ||
4786 | const char *p; | ||
4787 | unsigned int id; | ||
4788 | ccnt = scnprintf(buf, | ||
4789 | acnt, | ||
4790 | "Associted v4l2_subdev drivers:"); | ||
4791 | tcnt += ccnt; | ||
4792 | v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) { | ||
4793 | id = sd->grp_id; | ||
4794 | p = NULL; | ||
4795 | if (id < ARRAY_SIZE(module_names)) { | ||
4796 | p = module_names[id]; | ||
4797 | } | ||
4798 | if (!p) p = "(unknown)"; | ||
4799 | ccnt = scnprintf(buf + tcnt, | ||
4800 | acnt - tcnt, | ||
4801 | " %s (%u)", p, id); | ||
4802 | } | ||
4803 | return tcnt; | ||
4804 | } | ||
4782 | default: break; | 4805 | default: break; |
4783 | } | 4806 | } |
4784 | return 0; | 4807 | return 0; |