diff options
Diffstat (limited to 'include/linux/input/matrix_keypad.h')
-rw-r--r-- | include/linux/input/matrix_keypad.h | 54 |
1 files changed, 5 insertions, 49 deletions
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h index 6c07ced0af81..5f3aa6b11bfa 100644 --- a/include/linux/input/matrix_keypad.h +++ b/include/linux/input/matrix_keypad.h | |||
@@ -75,54 +75,10 @@ struct matrix_keypad_platform_data { | |||
75 | bool no_autorepeat; | 75 | bool no_autorepeat; |
76 | }; | 76 | }; |
77 | 77 | ||
78 | /** | 78 | int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data, |
79 | * matrix_keypad_build_keymap - convert platform keymap into matrix keymap | 79 | const char *keymap_name, |
80 | * @keymap_data: keymap supplied by the platform code | 80 | unsigned int rows, unsigned int cols, |
81 | * @row_shift: number of bits to shift row value by to advance to the next | 81 | unsigned short *keymap, |
82 | * line in the keymap | 82 | struct input_dev *input_dev); |
83 | * @keymap: expanded version of keymap that is suitable for use by | ||
84 | * matrix keyboad driver | ||
85 | * @keybit: pointer to bitmap of keys supported by input device | ||
86 | * | ||
87 | * This function converts platform keymap (encoded with KEY() macro) into | ||
88 | * an array of keycodes that is suitable for using in a standard matrix | ||
89 | * keyboard driver that uses row and col as indices. | ||
90 | */ | ||
91 | static inline void | ||
92 | matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data, | ||
93 | unsigned int row_shift, | ||
94 | unsigned short *keymap, unsigned long *keybit) | ||
95 | { | ||
96 | int i; | ||
97 | |||
98 | for (i = 0; i < keymap_data->keymap_size; i++) { | ||
99 | unsigned int key = keymap_data->keymap[i]; | ||
100 | unsigned int row = KEY_ROW(key); | ||
101 | unsigned int col = KEY_COL(key); | ||
102 | unsigned short code = KEY_VAL(key); | ||
103 | |||
104 | keymap[MATRIX_SCAN_CODE(row, col, row_shift)] = code; | ||
105 | __set_bit(code, keybit); | ||
106 | } | ||
107 | __clear_bit(KEY_RESERVED, keybit); | ||
108 | } | ||
109 | |||
110 | #ifdef CONFIG_INPUT_OF_MATRIX_KEYMAP | ||
111 | struct matrix_keymap_data * | ||
112 | matrix_keyboard_of_fill_keymap(struct device_node *np, const char *propname); | ||
113 | |||
114 | void matrix_keyboard_of_free_keymap(const struct matrix_keymap_data *kd); | ||
115 | #else | ||
116 | static inline struct matrix_keymap_data * | ||
117 | matrix_keyboard_of_fill_keymap(struct device_node *np, const char *propname) | ||
118 | { | ||
119 | return NULL; | ||
120 | } | ||
121 | |||
122 | static inline void | ||
123 | matrix_keyboard_of_free_keymap(const struct matrix_keymap_data *kd) | ||
124 | { | ||
125 | } | ||
126 | #endif | ||
127 | 83 | ||
128 | #endif /* _MATRIX_KEYPAD_H */ | 84 | #endif /* _MATRIX_KEYPAD_H */ |