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authorMike Isely <isely@pobox.com>2009-06-20 14:57:24 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-23 03:15:17 -0300
commit90135c96869fa0ef3182282b2a661b57fcdb7230 (patch)
tree807741895a1206e29eb0a4909790820caacd13e1 /drivers/media/video/pvrusb2
parent81e804c9c2e38431c1c01165d06076776c6fcbd6 (diff)
downloadlinux-2.6.38-lt-ux500-90135c96869fa0ef3182282b2a661b57fcdb7230.tar.gz
V4L/DVB (12122): pvrusb2: De-obfuscate code which handles routing schemes
This change does not change any outward behavior; it merely chops down some large if-conditions with embedded assignments into something a little more maintainable for others (I of course never had a problem with this...). Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-cs53l32a.c12
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c15
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-video-v4l.c13
3 files changed, 20 insertions, 20 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-cs53l32a.c b/drivers/media/video/pvrusb2/pvrusb2-cs53l32a.c
index 41f6e009d5e..68980e19409 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cs53l32a.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cs53l32a.c
@@ -67,12 +67,11 @@ void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
u32 input;
pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
hdw->input_val);
- if ((sid < ARRAY_SIZE(routing_schemes)) &&
- ((sp = routing_schemes[sid]) != NULL) &&
- (hdw->input_val >= 0) &&
- (hdw->input_val < sp->cnt)) {
- input = sp->def[hdw->input_val];
- } else {
+ sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+ routing_schemes[sid] : NULL;
+ if ((sp == NULL) ||
+ (hdw->input_val < 0) ||
+ (hdw->input_val >= sp->cnt)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"*** WARNING *** subdev v4l2 set_input:"
" Invalid routing scheme (%u)"
@@ -80,6 +79,7 @@ void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
sid, hdw->input_val);
return;
}
+ input = sp->def[hdw->input_val];
sd->ops->audio->s_routing(sd, input, 0, 0);
}
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index 8710c6218aa..82c13583575 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -114,13 +114,11 @@ void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
const struct routing_scheme *sp;
unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
- if ((sid < ARRAY_SIZE(routing_schemes)) &&
- ((sp = routing_schemes[sid]) != NULL) &&
- (hdw->input_val >= 0) &&
- (hdw->input_val < sp->cnt)) {
- vid_input = sp->def[hdw->input_val].vid;
- aud_input = sp->def[hdw->input_val].aud;
- } else {
+ sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+ routing_schemes[sid] : NULL;
+ if ((sp == NULL) ||
+ (hdw->input_val < 0) ||
+ (hdw->input_val >= sp->cnt)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"*** WARNING *** subdev cx2584x set_input:"
" Invalid routing scheme (%u)"
@@ -128,7 +126,8 @@ void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
sid, hdw->input_val);
return;
}
-
+ vid_input = sp->def[hdw->input_val].vid;
+ aud_input = sp->def[hdw->input_val].aud;
pvr2_trace(PVR2_TRACE_CHIPS,
"subdev cx2584x set_input vid=0x%x aud=0x%x",
vid_input, aud_input);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
index 8c32288eebe..4c96cf48c79 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
@@ -85,12 +85,12 @@ void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
hdw->input_val);
- if ((sid < ARRAY_SIZE(routing_schemes)) &&
- ((sp = routing_schemes[sid]) != NULL) &&
- (hdw->input_val >= 0) &&
- (hdw->input_val < sp->cnt)) {
- input = sp->def[hdw->input_val];
- } else {
+
+ sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+ routing_schemes[sid] : NULL;
+ if ((sp == NULL) ||
+ (hdw->input_val < 0) ||
+ (hdw->input_val >= sp->cnt)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"*** WARNING *** subdev v4l2 set_input:"
" Invalid routing scheme (%u)"
@@ -98,6 +98,7 @@ void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
sid, hdw->input_val);
return;
}
+ input = sp->def[hdw->input_val];
sd->ops->video->s_routing(sd, input, 0, 0);
}
}