1 // SPDX-License-Identifier: GPL-2.0-only
26 	unsigned short *keymap = input_dev->keycode;  in matrix_keypad_map_key()
32 		dev_err(input_dev->dev.parent,  in matrix_keypad_map_key()
39 	__set_bit(code, input_dev->keybit);  in matrix_keypad_map_key()
45  * matrix_keypad_parse_properties() - Read properties of matrix keypad
49  * @cols: Returns number of matrix columns
57 	device_property_read_u32(dev, "keypad,num-rows", rows);  in matrix_keypad_parse_properties()
58 	device_property_read_u32(dev, "keypad,num-columns", cols);  in matrix_keypad_parse_properties()
61 		dev_err(dev, "number of keypad rows/columns not specified\n");  in matrix_keypad_parse_properties()
62 		return -EINVAL;  in matrix_keypad_parse_properties()
73 	struct device *dev = input_dev->dev.parent;  in matrix_keypad_parse_keymap()
88 		return size < 0 ? size : -EINVAL;  in matrix_keypad_parse_keymap()
94 		return -EINVAL;  in matrix_keypad_parse_keymap()
99 		return -ENOMEM;  in matrix_keypad_parse_keymap()
111 			retval = -EINVAL;  in matrix_keypad_parse_keymap()
124  * matrix_keypad_build_keymap - convert platform keymap into matrix keymap
147  * Callers are expected to set up input_dev->dev.parent before calling this
161 	if (WARN_ON(!input_dev->dev.parent))  in matrix_keypad_build_keymap()
162 		return -EINVAL;  in matrix_keypad_build_keymap()
165 		keymap = devm_kcalloc(input_dev->dev.parent,  in matrix_keypad_build_keymap()
169 			dev_err(input_dev->dev.parent,  in matrix_keypad_build_keymap()
171 			return -ENOMEM;  in matrix_keypad_build_keymap()
175 	input_dev->keycode = keymap;  in matrix_keypad_build_keymap()
176 	input_dev->keycodesize = sizeof(*keymap);  in matrix_keypad_build_keymap()
177 	input_dev->keycodemax = max_keys;  in matrix_keypad_build_keymap()
179 	__set_bit(EV_KEY, input_dev->evbit);  in matrix_keypad_build_keymap()
182 		for (i = 0; i < keymap_data->keymap_size; i++) {  in matrix_keypad_build_keymap()
183 			unsigned int key = keymap_data->keymap[i];  in matrix_keypad_build_keymap()
187 				return -EINVAL;  in matrix_keypad_build_keymap()
196 	__clear_bit(KEY_RESERVED, input_dev->keybit);  in matrix_keypad_build_keymap()