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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-05-10 22:37:08 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-05-10 22:38:47 -0700
commit1932811f426fee71b7ece67e70aeba7e1b0ebb6d (patch)
treeffc4598961733707a89e711b4614c8cc14446ad5 /drivers/input/of_keymap.c
parentd0a3457d38adbad37e43ffe6b763360b2bfe71d9 (diff)
Input: matrix-keymap - uninline and prepare for device tree support
Change matrix-keymap helper to be out-of-line, like sparse keymap, allow the helper perform basic keymap validation and return errors, and prepare for device tree support. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/of_keymap.c')
-rw-r--r--drivers/input/of_keymap.c87
1 files changed, 0 insertions, 87 deletions
diff --git a/drivers/input/of_keymap.c b/drivers/input/of_keymap.c
deleted file mode 100644
index 061493d5768..00000000000
--- a/drivers/input/of_keymap.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Helpers for open firmware matrix keyboard bindings
- *
- * Copyright (C) 2012 Google, Inc
- *
- * Author:
- * Olof Johansson <olof@lixom.net>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/input.h>
-#include <linux/of.h>
-#include <linux/input/matrix_keypad.h>
-#include <linux/export.h>
-#include <linux/gfp.h>
-#include <linux/slab.h>
-
-struct matrix_keymap_data *
-matrix_keyboard_of_fill_keymap(struct device_node *np,
- const char *propname)
-{
- struct matrix_keymap_data *kd;
- u32 *keymap;
- int proplen, i;
- const __be32 *prop;
-
- if (!np)
- return NULL;
-
- if (!propname)
- propname = "linux,keymap";
-
- prop = of_get_property(np, propname, &proplen);
- if (!prop)
- return NULL;
-
- if (proplen % sizeof(u32)) {
- pr_warn("Malformed keymap property %s in %s\n",
- propname, np->full_name);
- return NULL;
- }
-
- kd = kzalloc(sizeof(*kd), GFP_KERNEL);
- if (!kd)
- return NULL;
-
- kd->keymap = keymap = kzalloc(proplen, GFP_KERNEL);
- if (!kd->keymap) {
- kfree(kd);
- return NULL;
- }
-
- kd->keymap_size = proplen / sizeof(u32);
-
- for (i = 0; i < kd->keymap_size; i++) {
- u32 tmp = be32_to_cpup(prop + i);
- int key_code, row, col;
-
- row = (tmp >> 24) & 0xff;
- col = (tmp >> 16) & 0xff;
- key_code = tmp & 0xffff;
- keymap[i] = KEY(row, col, key_code);
- }
-
- return kd;
-}
-EXPORT_SYMBOL_GPL(matrix_keyboard_of_fill_keymap);
-
-void matrix_keyboard_of_free_keymap(const struct matrix_keymap_data *kd)
-{
- if (kd) {
- kfree(kd->keymap);
- kfree(kd);
- }
-}
-EXPORT_SYMBOL_GPL(matrix_keyboard_of_free_keymap);