diff options
Diffstat (limited to 'drivers/video/omap2/dss/output.c')
-rw-r--r-- | drivers/video/omap2/dss/output.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/output.c b/drivers/video/omap2/dss/output.c new file mode 100644 index 000000000000..388a6c997b9c --- /dev/null +++ b/drivers/video/omap2/dss/output.c | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2012 Texas Instruments Ltd | ||
3 | * Author: Archit Taneja <archit@ti.com> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it | ||
6 | * under the terms of the GNU General Public License version 2 as published by | ||
7 | * the Free Software Foundation. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | ||
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
12 | * more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along with | ||
15 | * this program. If not, see <http://www.gnu.org/licenses/>. | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/platform_device.h> | ||
20 | #include <linux/slab.h> | ||
21 | |||
22 | #include <video/omapdss.h> | ||
23 | |||
24 | #include "dss.h" | ||
25 | |||
26 | static LIST_HEAD(output_list); | ||
27 | |||
28 | void dss_register_output(struct omap_dss_output *out) | ||
29 | { | ||
30 | list_add_tail(&out->list, &output_list); | ||
31 | } | ||
32 | |||
33 | void dss_unregister_output(struct omap_dss_output *out) | ||
34 | { | ||
35 | list_del(&out->list); | ||
36 | } | ||
37 | |||
38 | struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id) | ||
39 | { | ||
40 | struct omap_dss_output *out; | ||
41 | |||
42 | list_for_each_entry(out, &output_list, list) { | ||
43 | if (out->id == id) | ||
44 | return out; | ||
45 | } | ||
46 | |||
47 | return NULL; | ||
48 | } | ||