1 // SPDX-License-Identifier: GPL-2.0-only
30 			return attr->mode;						\
40 		ret = parse_attr_name(attr->attr.name, name, &num);			\
73 	union acpi_object *element = obj->package.elements;  in chromeos_acpi_handle_package()
75 	if (pkg_num >= obj->package.count)  in chromeos_acpi_handle_package()
76 		return -EINVAL;  in chromeos_acpi_handle_package()
79 	if (element->type == ACPI_TYPE_PACKAGE) {  in chromeos_acpi_handle_package()
80 		if (sub_pkg_num >= element->package.count)  in chromeos_acpi_handle_package()
81 			return -EINVAL;  in chromeos_acpi_handle_package()
82 		/* select sub element inside this package */  in chromeos_acpi_handle_package()
83 		element = element->package.elements;  in chromeos_acpi_handle_package()
87 	switch (element->type) {  in chromeos_acpi_handle_package()
89 		return sysfs_emit(buf, "%d\n", (int)element->integer.value);  in chromeos_acpi_handle_package()
91 		return sysfs_emit(buf, "%s\n", element->string.pointer);  in chromeos_acpi_handle_package()
98 			room_left = PAGE_SIZE - 1;  in chromeos_acpi_handle_package()
99 			for (i = 0; i < element->buffer.length && room_left; i += byte_per_line) {  in chromeos_acpi_handle_package()
100 				r = hex_dump_to_buffer(element->buffer.pointer + i,  in chromeos_acpi_handle_package()
101 						       element->buffer.length - i,  in chromeos_acpi_handle_package()
107 				room_left -= r;  in chromeos_acpi_handle_package()
113 				room_left -= r;  in chromeos_acpi_handle_package()
120 			sysfs_emit_at(buf, PAGE_SIZE - 4, "..\n");  in chromeos_acpi_handle_package()
121 			return PAGE_SIZE - 1;  in chromeos_acpi_handle_package()
124 		dev_err(dev, "element type %d not supported\n", element->type);  in chromeos_acpi_handle_package()
125 		return -EINVAL;  in chromeos_acpi_handle_package()
134 	int ret = -EINVAL;  in chromeos_acpi_evaluate_method()
142 	if (((union acpi_object *)output.pointer)->type == ACPI_TYPE_PACKAGE)  in chromeos_acpi_evaluate_method()
155 	if (ret == -E2BIG)  in parse_attr_name()
166 	ret = parse_attr_name(attr->attr.name, attr_name, &attr_num);  in chromeos_first_level_attr_show()
188 	if (obj->type == ACPI_TYPE_PACKAGE)  in get_gpio_pkg_num()
189 		count = obj->package.count;  in get_gpio_pkg_num()
227  * Every platform can have a different number of GPIO attribute groups.
228  * Define upper limit groups. At run time, the platform decides to show
229  * the present number of groups only, others are hidden.
255 	chromeos_acpi_gpio_groups = get_gpio_pkg_num(&pdev->dev);  in chromeos_acpi_device_probe()
258 	 * If the platform has more GPIO attribute groups than the number of  in chromeos_acpi_device_probe()
259 	 * groups this driver supports, give out a warning message.  in chromeos_acpi_device_probe()
261 	if (chromeos_acpi_gpio_groups > ARRAY_SIZE(chromeos_acpi_all_groups) - 2)  in chromeos_acpi_device_probe()
262 		dev_warn(&pdev->dev, "Only %zu GPIO attr groups supported by the driver out of total %u.\n",  in chromeos_acpi_device_probe()
263 			 ARRAY_SIZE(chromeos_acpi_all_groups) - 2, chromeos_acpi_gpio_groups);  in chromeos_acpi_device_probe()