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[media] media: lirc_dev: make better use of file->private_data

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By making better use of file->private_data in lirc_dev we can avoid
digging around in the irctls[] array, thereby simplifying the code.

External drivers need to use lirc_get_pdata() instead of mucking around
in file->private_data.

The newly introduced lirc_init_pdata() function isn't very elegant, but
it's a stopgap measure which can be removed once lirc_zilog is converted
to rc-core.

Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
David Härdeman 2017-06-25 09:31:40 -03:00 • committed by Mauro Carvalho Chehab
parent 0510d81081
commit 615cd3fe6c
3 changed files with 33 additions and 93 deletions
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3
include/media/lirc_dev.h
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@ -187,6 +187,9 @@ int lirc_register_driver(struct lirc_driver *d);
void lirc_unregister_driver(struct lirc_driver *d);
/* Must be called in the open fop before lirc_get_pdata() can be used */
void lirc_init_pdata(struct inode *inode, struct file *file);
/* Returns the private data stored in the lirc_driver
* associated with the given device file pointer.
*/