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[media] hide unused functions for !MEDIA_CONTROLLER

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Some functions in the au0828 driver are only used when CONFIG_MEDIA_CONTROLLER
is enabled, and otherwise defined as empty functions:

media/usb/au0828/au0828-core.c:208:13: error: 'au0828_media_graph_notify' defined but not used [-Werror=unused-function]
media/usb/au0828/au0828-core.c:262:12: error: 'au0828_enable_source' defined but not used [-Werror=unused-function]
media/usb/au0828/au0828-core.c:412:13: error: 'au0828_disable_source' defined but not used [-Werror=unused-function]

This moves the #ifdef so the entire definitions are hidden in this case.

[mchehab@osg.samsung.com: As pointed by Shuah Khan, a return 0 can be removed]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Arnd Bergmann 2016-03-04 21:06:43 -03:00 committed by Mauro Carvalho Chehab
parent 0899f62ff9
commit 0a82edd011
1 changed files with 2 additions and 7 deletions
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9
drivers/media/usb/au0828/au0828-core.c
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@ -205,10 +205,10 @@ static int au0828_media_device_init(struct au0828_dev *dev,
return 0;
}
#ifdef CONFIG_MEDIA_CONTROLLER
static void au0828_media_graph_notify(struct media_entity *new,
void *notify_data)
{
#ifdef CONFIG_MEDIA_CONTROLLER
struct au0828_dev *dev = (struct au0828_dev *) notify_data;
int ret;
struct media_entity *entity, *mixer = NULL, *decoder = NULL;
@ -256,13 +256,11 @@ static void au0828_media_graph_notify(struct media_entity *new,
dev_err(&dev->usbdev->dev,
"Mixer Pad Link Create Error: %d\n", ret);
}
#endif
}
static int au0828_enable_source(struct media_entity *entity,
struct media_pipeline *pipe)
{
#ifdef CONFIG_MEDIA_CONTROLLER
struct media_entity *source, *find_source;
struct media_entity *sink;
struct media_link *link, *found_link = NULL;
@ -405,13 +403,10 @@ static int au0828_enable_source(struct media_entity *entity,
pr_debug("au0828_enable_source() end %s %d %d\n",
entity->name, entity->function, ret);
return ret;
#endif
return 0;
}
static void au0828_disable_source(struct media_entity *entity)
{
#ifdef CONFIG_MEDIA_CONTROLLER
int ret = 0;
struct media_device *mdev = entity->graph_obj.mdev;
struct au0828_dev *dev;
@ -453,8 +448,8 @@ static void au0828_disable_source(struct media_entity *entity)
end:
mutex_unlock(&mdev->graph_mutex);
#endif
}
#endif
static int au0828_media_device_register(struct au0828_dev *dev,
struct usb_device *udev)