31 				  unsigned int rows, unsigned int cols,  in matrix_keypad_map_key()  argument
34 	unsigned short *keymap = input_dev->keycode;  in matrix_keypad_map_key()
39 	if (row >= rows || col >= cols) {  in matrix_keypad_map_key()
40 		dev_err(input_dev->dev.parent,  in matrix_keypad_map_key()
41 			"%s: invalid keymap entry 0x%x (row: %d, col: %d, rows: %d, cols: %d)\n",  in matrix_keypad_map_key()
42 			__func__, key, row, col, rows, cols);  in matrix_keypad_map_key()
47 	__set_bit(code, input_dev->keybit);  in matrix_keypad_map_key()
53  * matrix_keypad_parse_properties() - Read properties of matrix keypad
56  * @rows: Returns number of matrix rows
61 				   unsigned int *rows, unsigned int *cols)  in matrix_keypad_parse_properties()  argument
63 	*rows = *cols = 0;  in matrix_keypad_parse_properties()
65 	device_property_read_u32(dev, "keypad,num-rows", rows);  in matrix_keypad_parse_properties()
66 	device_property_read_u32(dev, "keypad,num-columns", cols);  in matrix_keypad_parse_properties()
68 	if (!*rows || !*cols) {  in matrix_keypad_parse_properties()
69 		dev_err(dev, "number of keypad rows/columns not specified\n");  in matrix_keypad_parse_properties()
70 		return -EINVAL;  in matrix_keypad_parse_properties()
78 				      unsigned int rows, unsigned int cols,  in matrix_keypad_parse_keymap()  argument
81 	struct device *dev = input_dev->dev.parent;  in matrix_keypad_parse_keymap()
83 	unsigned int max_keys = rows << row_shift;  in matrix_keypad_parse_keymap()
96 		return size < 0 ? size : -EINVAL;  in matrix_keypad_parse_keymap()
102 		return -EINVAL;  in matrix_keypad_parse_keymap()
107 		return -ENOMEM;  in matrix_keypad_parse_keymap()
117 		if (!matrix_keypad_map_key(input_dev, rows, cols,  in matrix_keypad_parse_keymap()
119 			retval = -EINVAL;  in matrix_keypad_parse_keymap()
132  * matrix_keypad_build_keymap - convert platform keymap into matrix keymap
136  * @rows: number of rows in target keymap array
155  * Callers are expected to set up input_dev->dev.parent before calling this
160 			       unsigned int rows, unsigned int cols,  in matrix_keypad_build_keymap()  argument
165 	size_t max_keys = rows << row_shift;  in matrix_keypad_build_keymap()
169 	if (WARN_ON(!input_dev->dev.parent))  in matrix_keypad_build_keymap()
170 		return -EINVAL;  in matrix_keypad_build_keymap()
173 		keymap = devm_kcalloc(input_dev->dev.parent,  in matrix_keypad_build_keymap()
177 			dev_err(input_dev->dev.parent,  in matrix_keypad_build_keymap()
179 			return -ENOMEM;  in matrix_keypad_build_keymap()
183 	input_dev->keycode = keymap;  in matrix_keypad_build_keymap()
184 	input_dev->keycodesize = sizeof(*keymap);  in matrix_keypad_build_keymap()
185 	input_dev->keycodemax = max_keys;  in matrix_keypad_build_keymap()
187 	__set_bit(EV_KEY, input_dev->evbit);  in matrix_keypad_build_keymap()
190 		for (i = 0; i < keymap_data->keymap_size; i++) {  in matrix_keypad_build_keymap()
191 			unsigned int key = keymap_data->keymap[i];  in matrix_keypad_build_keymap()
193 			if (!matrix_keypad_map_key(input_dev, rows, cols,  in matrix_keypad_build_keymap()
195 				return -EINVAL;  in matrix_keypad_build_keymap()
198 		error = matrix_keypad_parse_keymap(keymap_name, rows, cols,  in matrix_keypad_build_keymap()
204 	__clear_bit(KEY_RESERVED, input_dev->keybit);  in matrix_keypad_build_keymap()