diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/input/matrix_keypad.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h index 7964516c6954..15d5903af2dd 100644 --- a/include/linux/input/matrix_keypad.h +++ b/include/linux/input/matrix_keypad.h | |||
| @@ -15,12 +15,13 @@ | |||
| 15 | #define KEY_COL(k) (((k) >> 16) & 0xff) | 15 | #define KEY_COL(k) (((k) >> 16) & 0xff) |
| 16 | #define KEY_VAL(k) ((k) & 0xffff) | 16 | #define KEY_VAL(k) ((k) & 0xffff) |
| 17 | 17 | ||
| 18 | #define MATRIX_SCAN_CODE(row, col, row_shift) (((row) << (row_shift)) + (col)) | ||
| 19 | |||
| 18 | /** | 20 | /** |
| 19 | * struct matrix_keymap_data - keymap for matrix keyboards | 21 | * struct matrix_keymap_data - keymap for matrix keyboards |
| 20 | * @keymap: pointer to array of uint32 values encoded with KEY() macro | 22 | * @keymap: pointer to array of uint32 values encoded with KEY() macro |
| 21 | * representing keymap | 23 | * representing keymap |
| 22 | * @keymap_size: number of entries (initialized) in this keymap | 24 | * @keymap_size: number of entries (initialized) in this keymap |
| 23 | * @max_keymap_size: maximum size of keymap supported by the device | ||
| 24 | * | 25 | * |
| 25 | * This structure is supposed to be used by platform code to supply | 26 | * This structure is supposed to be used by platform code to supply |
| 26 | * keymaps to drivers that implement matrix-like keypads/keyboards. | 27 | * keymaps to drivers that implement matrix-like keypads/keyboards. |
| @@ -28,14 +29,13 @@ | |||
| 28 | struct matrix_keymap_data { | 29 | struct matrix_keymap_data { |
| 29 | const uint32_t *keymap; | 30 | const uint32_t *keymap; |
| 30 | unsigned int keymap_size; | 31 | unsigned int keymap_size; |
| 31 | unsigned int max_keymap_size; | ||
| 32 | }; | 32 | }; |
| 33 | 33 | ||
| 34 | /** | 34 | /** |
| 35 | * struct matrix_keypad_platform_data - platform-dependent keypad data | 35 | * struct matrix_keypad_platform_data - platform-dependent keypad data |
| 36 | * @keymap_data: pointer to &matrix_keymap_data | 36 | * @keymap_data: pointer to &matrix_keymap_data |
| 37 | * @row_gpios: array of gpio numbers reporesenting rows | 37 | * @row_gpios: pointer to array of gpio numbers representing rows |
| 38 | * @col_gpios: array of gpio numbers reporesenting colums | 38 | * @col_gpios: pointer to array of gpio numbers reporesenting colums |
| 39 | * @num_row_gpios: actual number of row gpios used by device | 39 | * @num_row_gpios: actual number of row gpios used by device |
| 40 | * @num_col_gpios: actual number of col gpios used by device | 40 | * @num_col_gpios: actual number of col gpios used by device |
| 41 | * @col_scan_delay_us: delay, measured in microseconds, that is | 41 | * @col_scan_delay_us: delay, measured in microseconds, that is |
| @@ -48,8 +48,9 @@ struct matrix_keymap_data { | |||
| 48 | struct matrix_keypad_platform_data { | 48 | struct matrix_keypad_platform_data { |
| 49 | const struct matrix_keymap_data *keymap_data; | 49 | const struct matrix_keymap_data *keymap_data; |
| 50 | 50 | ||
| 51 | unsigned int row_gpios[MATRIX_MAX_ROWS]; | 51 | const unsigned int *row_gpios; |
| 52 | unsigned int col_gpios[MATRIX_MAX_COLS]; | 52 | const unsigned int *col_gpios; |
| 53 | |||
| 53 | unsigned int num_row_gpios; | 54 | unsigned int num_row_gpios; |
| 54 | unsigned int num_col_gpios; | 55 | unsigned int num_col_gpios; |
| 55 | 56 | ||
