V4L/DVB (5044): Pvrusb2: Allow overriding vbi and radio device minor numbers

Support specification of vbi and radio device minor numbers in a
manner similar to the video device minor number.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 25 insertions, 7 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 3a2a0ca33e90..28187fbb5414 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -71,7 +71,13 @@ struct pvr2_v4l2 {
 
 static int video_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
 module_param_array(video_nr, int, NULL, 0444);
-MODULE_PARM_DESC(video_nr, "Offset for device's minor");
+MODULE_PARM_DESC(video_nr, "Offset for device's video dev minor");
+static int radio_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
+module_param_array(radio_nr, int, NULL, 0444);
+MODULE_PARM_DESC(radio_nr, "Offset for device's radio dev minor");
+static int vbi_nr[PVR_NUM] = {[0 ... PVR_NUM-1] = -1};
+module_param_array(vbi_nr, int, NULL, 0444);
+MODULE_PARM_DESC(vbi_nr, "Offset for device's vbi dev minor");
 
 static struct v4l2_capability pvr_capability ={
         .driver         = "pvrusb2",
@@ -1113,7 +1119,18 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
         mindevnum = -1;
         unit_number = pvr2_hdw_get_unit_number(vp->channel.mc_head->hdw);
         if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
-                mindevnum = video_nr[unit_number];
+                switch (v4l_type) {
+                case VFL_TYPE_VBI:
+                        mindevnum = vbi_nr[unit_number];
+                        break;
+                case VFL_TYPE_RADIO:
+                        mindevnum = radio_nr[unit_number];
+                        break;
+                case VFL_TYPE_GRABBER:
+                default:
+                        mindevnum = video_nr[unit_number];
+                        break;
+                }
         }
         if ((video_register_device(&dip->devbase, v4l_type, mindevnum) < 0) &&
             (video_register_device(&dip->devbase, v4l_type, -1) < 0)) {
@@ -1122,17 +1139,18 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
         switch (cfg) {
         case pvr2_config_mpeg:
                 printk(KERN_INFO "pvrusb2: registered device video%d [%s]\n",
-                       dip->devbase.minor,pvr2_config_get_name(dip->config));
+                       dip->devbase.minor & 0x1f,
+                       pvr2_config_get_name(dip->config));
         break;
         case pvr2_config_vbi:
                 printk(KERN_INFO "pvrusb2: registered device vbi%d [%s]\n",
-                dip->devbase.minor - MINOR_VFL_TYPE_VBI_MIN,
-                pvr2_config_get_name(dip->config));
+                       dip->devbase.minor & 0x1f,
+                       pvr2_config_get_name(dip->config));
         break;
         case pvr2_config_radio:
                 printk(KERN_INFO "pvrusb2: registered device radio%d [%s]\n",
-                dip->devbase.minor - MINOR_VFL_TYPE_RADIO_MIN,
-                pvr2_config_get_name(dip->config));
+                       dip->devbase.minor & 0x1f,
+                       pvr2_config_get_name(dip->config));
         break;
         default:
         break;