linux-4.4.1/v4l2_ctrl_handler_init_class()
をテンプレートにして作成
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開始行:
*参照元 [#r691946c]
#backlinks
*説明 [#f076daba]
-パス: [[linux-4.4.1/drivers/media/v4l2-core/v4l2-ctrls.c]]
-FIXME: これは何？
--説明
**引数 [#db9da04b]
-struct v4l2_ctrl_handler *hdl
--
--[[linux-4.4.1/v4l2_ctrl_handler]]
-unsigned nr_of_controls_hint
--
-struct lock_class_key *key
--
--[[linux-4.4.1/lock_class_key]]
-const char *name
--
**返り値 [#w5351395]
-int
--
**参考 [#u5cfe3b4]
*実装 [#v541ff2c]
/* Initialize the handler */
int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handle...
unsigned nr_of_controls...
struct lock_class_key *...
{
hdl->lock = &hdl->_lock;
mutex_init(hdl->lock);
lockdep_set_class_and_name(hdl->lock, key, name);
-
--[[linux-4.4.1/mutex_init()]]
--[[linux-4.4.1/lockdep_set_class_and_name()]]
INIT_LIST_HEAD(&hdl->ctrls);
INIT_LIST_HEAD(&hdl->ctrl_refs);
-
--[[linux-4.4.1/INIT_LIST_HEAD()]]
hdl->nr_of_buckets = 1 + nr_of_controls_hint / 8;
hdl->buckets = kcalloc(hdl->nr_of_buckets, sizeo...
GFP_KERNEL);
hdl->error = hdl->buckets ? 0 : -ENOMEM;
-
--[[linux-4.4.1/kcalloc()]]
return hdl->error;
}
EXPORT_SYMBOL(v4l2_ctrl_handler_init_class);
-
--[[linux-4.4.1/EXPORT_SYMBOL()]]
*コメント [#b8e37ddb]
終了行:
*参照元 [#r691946c]
#backlinks
*説明 [#f076daba]
-パス: [[linux-4.4.1/drivers/media/v4l2-core/v4l2-ctrls.c]]
-FIXME: これは何？
--説明
**引数 [#db9da04b]
-struct v4l2_ctrl_handler *hdl
--
--[[linux-4.4.1/v4l2_ctrl_handler]]
-unsigned nr_of_controls_hint
--
-struct lock_class_key *key
--
--[[linux-4.4.1/lock_class_key]]
-const char *name
--
**返り値 [#w5351395]
-int
--
**参考 [#u5cfe3b4]
*実装 [#v541ff2c]
/* Initialize the handler */
int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handle...
unsigned nr_of_controls...
struct lock_class_key *...
{
hdl->lock = &hdl->_lock;
mutex_init(hdl->lock);
lockdep_set_class_and_name(hdl->lock, key, name);
-
--[[linux-4.4.1/mutex_init()]]
--[[linux-4.4.1/lockdep_set_class_and_name()]]
INIT_LIST_HEAD(&hdl->ctrls);
INIT_LIST_HEAD(&hdl->ctrl_refs);
-
--[[linux-4.4.1/INIT_LIST_HEAD()]]
hdl->nr_of_buckets = 1 + nr_of_controls_hint / 8;
hdl->buckets = kcalloc(hdl->nr_of_buckets, sizeo...
GFP_KERNEL);
hdl->error = hdl->buckets ? 0 : -ENOMEM;
-
--[[linux-4.4.1/kcalloc()]]
return hdl->error;
}
EXPORT_SYMBOL(v4l2_ctrl_handler_init_class);
-
--[[linux-4.4.1/EXPORT_SYMBOL()]]
*コメント [#b8e37ddb]
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