V4L/DVB (4239): Handle boolean controls in pvrusb2
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
index 4254062..c6e6523 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
@@ -55,6 +55,7 @@
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_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 @@
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 @@
#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 @@
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 @@
#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 @@
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 @@
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;