diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-sysfs.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-sysfs.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c index 42540627e30d..c6e6523d74b4 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c +++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c @@ -55,6 +55,7 @@ struct pvr2_sysfs_debugifc { struct pvr2_sysfs_ctl_item { struct class_device_attribute attr_name; + struct class_device_attribute attr_type; struct class_device_attribute attr_min; struct class_device_attribute attr_max; struct class_device_attribute attr_enum; @@ -64,7 +65,7 @@ struct pvr2_sysfs_ctl_item { struct pvr2_ctrl *cptr; struct pvr2_sysfs *chptr; struct pvr2_sysfs_ctl_item *item_next; - struct attribute *attr_gen[6]; + struct attribute *attr_gen[7]; struct attribute_group grp; char name[80]; }; @@ -92,6 +93,33 @@ static ssize_t show_name(int id,struct class_device *class_dev,char *buf) return scnprintf(buf,PAGE_SIZE,"%s\n",name); } +static ssize_t show_type(int id,struct class_device *class_dev,char *buf) +{ + struct pvr2_ctrl *cptr; + struct pvr2_sysfs *sfp; + const char *name; + enum pvr2_ctl_type tp; + + sfp = (struct pvr2_sysfs *)class_dev->class_data; + if (!sfp) return -EINVAL; + cptr = pvr2_hdw_get_ctrl_by_index(sfp->channel.hdw,id); + if (!cptr) return -EINVAL; + + tp = pvr2_ctrl_get_type(cptr); + switch (tp) { + case pvr2_ctl_int: name = "integer"; break; + case pvr2_ctl_enum: name = "enum"; break; + case pvr2_ctl_bitmask: name = "bitmask"; break; + case pvr2_ctl_bool: name = "boolean"; break; + default: name = "?"; break; + } + pvr2_sysfs_trace("pvr2_sysfs(%p) show_type(cid=%d) is %s",sfp,id,name); + + if (!name) return -EINVAL; + + return scnprintf(buf,PAGE_SIZE,"%s\n",name); +} + static ssize_t show_min(int id,struct class_device *class_dev,char *buf) { struct pvr2_ctrl *cptr; @@ -289,6 +317,7 @@ static ssize_t sf_name##_##ctl_id(struct class_device *class_dev,const char *buf #define CREATE_BATCH(ctl_id) \ CREATE_SHOW_INSTANCE(show_name,ctl_id) \ +CREATE_SHOW_INSTANCE(show_type,ctl_id) \ CREATE_SHOW_INSTANCE(show_min,ctl_id) \ CREATE_SHOW_INSTANCE(show_max,ctl_id) \ CREATE_SHOW_INSTANCE(show_val_norm,ctl_id) \ @@ -361,6 +390,7 @@ CREATE_BATCH(59) struct pvr2_sysfs_func_set { ssize_t (*show_name)(struct class_device *,char *); + ssize_t (*show_type)(struct class_device *,char *); ssize_t (*show_min)(struct class_device *,char *); ssize_t (*show_max)(struct class_device *,char *); ssize_t (*show_enum)(struct class_device *,char *); @@ -376,6 +406,7 @@ struct pvr2_sysfs_func_set { #define INIT_BATCH(ctl_id) \ [ctl_id] = { \ .show_name = show_name_##ctl_id, \ + .show_type = show_type_##ctl_id, \ .show_min = show_min_##ctl_id, \ .show_max = show_max_##ctl_id, \ .show_enum = show_enum_##ctl_id, \ @@ -486,6 +517,11 @@ static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id) cip->attr_name.attr.mode = S_IRUGO; cip->attr_name.show = fp->show_name; + cip->attr_type.attr.owner = THIS_MODULE; + cip->attr_type.attr.name = "type"; + cip->attr_type.attr.mode = S_IRUGO; + cip->attr_type.show = fp->show_type; + cip->attr_min.attr.owner = THIS_MODULE; cip->attr_min.attr.name = "min_val"; cip->attr_min.attr.mode = S_IRUGO; @@ -521,6 +557,7 @@ static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id) acnt = 0; cip->attr_gen[acnt++] = &cip->attr_name.attr; + cip->attr_gen[acnt++] = &cip->attr_type.attr; cip->attr_gen[acnt++] = &cip->attr_val.attr; cip->attr_val.show = fp->show_val_norm; cip->attr_val.store = fp->store_val_norm; |