diff options
Diffstat (limited to 'drivers/staging/asus_oled/asus_oled.c')
| -rw-r--r-- | drivers/staging/asus_oled/asus_oled.c | 847 |
1 files changed, 0 insertions, 847 deletions
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c deleted file mode 100644 index 3654dc32a0c6..000000000000 --- a/drivers/staging/asus_oled/asus_oled.c +++ /dev/null @@ -1,847 +0,0 @@ -/* - * Asus OLED USB driver - * - * Copyright (C) 2007,2008 Jakub Schmidtke (sjakub@gmail.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * - * - * This module is based on usbled and asus-laptop modules. - * - * - * Asus OLED support is based on asusoled program taken from - * <http://lapsus.berlios.de/asus_oled.html>. - * - * - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/usb.h> -#include <linux/platform_device.h> -#include <linux/ctype.h> - -#define ASUS_OLED_VERSION "0.04-dev" -#define ASUS_OLED_NAME "asus-oled" -#define ASUS_OLED_UNDERSCORE_NAME "asus_oled" - -#define ASUS_OLED_STATIC 's' -#define ASUS_OLED_ROLL 'r' -#define ASUS_OLED_FLASH 'f' - -#define ASUS_OLED_MAX_WIDTH 1792 -#define ASUS_OLED_DISP_HEIGHT 32 -#define ASUS_OLED_PACKET_BUF_SIZE 256 - -#define USB_VENDOR_ID_ASUS 0x0b05 -#define USB_DEVICE_ID_ASUS_LCM 0x1726 -#define USB_DEVICE_ID_ASUS_LCM2 0x175b - -MODULE_AUTHOR("Jakub Schmidtke, sjakub@gmail.com"); -MODULE_DESCRIPTION("Asus OLED Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ASUS_OLED_VERSION); - -static struct class *oled_class; -static int oled_num; - -static uint start_off; - -module_param(start_off, uint, 0644); - -MODULE_PARM_DESC(start_off, - "Set to 1 to switch off OLED display after it is attached"); - -enum oled_pack_mode { - PACK_MODE_G1, - PACK_MODE_G50, - PACK_MODE_LAST -}; - -struct oled_dev_desc_str { - uint16_t idVendor; - uint16_t idProduct; - /* width of display */ - uint16_t devWidth; - /* formula to be used while packing the picture */ - enum oled_pack_mode packMode; - const char *devDesc; -}; - -/* table of devices that work with this driver */ -static const struct usb_device_id id_table[] = { - /* Asus G1/G2 (and variants)*/ - { USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM) }, - /* Asus G50V (and possibly others - G70? G71?)*/ - { USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2) }, - { }, -}; - -/* parameters of specific devices */ -static struct oled_dev_desc_str oled_dev_desc_table[] = { - { USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM, 128, PACK_MODE_G1, - "G1/G2" }, - { USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2, 256, PACK_MODE_G50, - "G50" }, - { }, -}; - -MODULE_DEVICE_TABLE(usb, id_table); - -struct asus_oled_header { - uint8_t magic1; - uint8_t magic2; - uint8_t flags; - uint8_t value3; - uint8_t buffer1; - uint8_t buffer2; - uint8_t value6; - uint8_t value7; - uint8_t value8; - uint8_t padding2[7]; -} __attribute((packed)); - -struct asus_oled_packet { - struct asus_oled_header header; - uint8_t bitmap[ASUS_OLED_PACKET_BUF_SIZE]; -} __attribute((packed)); - -struct asus_oled_dev { - struct usb_device *udev; - uint8_t pic_mode; - uint16_t dev_width; - enum oled_pack_mode pack_mode; - size_t height; - size_t width; - size_t x_shift; - size_t y_shift; - size_t buf_offs; - uint8_t last_val; - size_t buf_size; - char *buf; - uint8_t enabled; - uint8_t enabled_post_resume; - struct device *dev; -}; - -static void setup_packet_header(struct asus_oled_packet *packet, char flags, - char value3, char buffer1, char buffer2, char value6, - char value7, char value8) -{ - memset(packet, 0, sizeof(struct asus_oled_header)); - packet->header.magic1 = 0x55; - packet->header.magic2 = 0xaa; - packet->header.flags = flags; - packet->header.value3 = value3; - packet->header.buffer1 = buffer1; - packet->header.buffer2 = buffer2; - packet->header.value6 = value6; - packet->header.value7 = value7; - packet->header.value8 = value8; -} - -static void enable_oled(struct asus_oled_dev *odev, uint8_t enabl) -{ - int retval; - int act_len; - struct asus_oled_packet *packet; - - packet = kzalloc(sizeof(struct asus_oled_packet), GFP_KERNEL); - if (!packet) - return; - - setup_packet_header(packet, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00); - - if (enabl) - packet->bitmap[0] = 0xaf; - else - packet->bitmap[0] = 0xae; - - retval = usb_bulk_msg(odev->udev, - usb_sndbulkpipe(odev->udev, 2), - packet, - sizeof(struct asus_oled_header) + 1, - &act_len, - -1); - - if (retval) - dev_dbg(&odev->udev->dev, "retval = %d\n", retval); - - odev->enabled = enabl; - - kfree(packet); -} - -static ssize_t set_enabled(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct usb_interface *intf = to_usb_interface(dev); - struct asus_oled_dev *odev = usb_get_intfdata(intf); - unsigned long value; - if (kstrtoul(buf, 10, &value)) - return -EINVAL; - - enable_oled(odev, value); - - return count; -} - -static ssize_t class_set_enabled(struct device *device, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct asus_oled_dev *odev = - (struct asus_oled_dev *) dev_get_drvdata(device); - unsigned long value; - - if (kstrtoul(buf, 10, &value)) - return -EINVAL; - - enable_oled(odev, value); - - return count; -} - -static ssize_t get_enabled(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct usb_interface *intf = to_usb_interface(dev); - struct asus_oled_dev *odev = usb_get_intfdata(intf); - - return sprintf(buf, "%d\n", odev->enabled); -} - -static ssize_t class_get_enabled(struct device *device, - struct device_attribute *attr, char *buf) -{ - struct asus_oled_dev *odev = - (struct asus_oled_dev *) dev_get_drvdata(device); - - return sprintf(buf, "%d\n", odev->enabled); -} - -static void send_packets(struct usb_device *udev, - struct asus_oled_packet *packet, - char *buf, uint8_t p_type, size_t p_num) -{ - size_t i; - int act_len; - - for (i = 0; i < p_num; i++) { - int retval; - - switch (p_type) { - case ASUS_OLED_ROLL: - setup_packet_header(packet, 0x40, 0x80, p_num, - i + 1, 0x00, 0x01, 0xff); - break; - case ASUS_OLED_STATIC: - setup_packet_header(packet, 0x10 + i, 0x80, 0x01, - 0x01, 0x00, 0x01, 0x00); - break; - case ASUS_OLED_FLASH: - setup_packet_header(packet, 0x10 + i, 0x80, 0x01, - 0x01, 0x00, 0x00, 0xff); - break; - } - - memcpy(packet->bitmap, buf + (ASUS_OLED_PACKET_BUF_SIZE*i), - ASUS_OLED_PACKET_BUF_SIZE); - - retval = usb_bulk_msg(udev, usb_sndctrlpipe(udev, 2), - packet, sizeof(struct asus_oled_packet), - &act_len, -1); - - if (retval) - dev_dbg(&udev->dev, "retval = %d\n", retval); - } -} - -static void send_packet(struct usb_device *udev, - struct asus_oled_packet *packet, - size_t offset, size_t len, char *buf, uint8_t b1, - uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5, - uint8_t b6) { - int retval; - int act_len; - - setup_packet_header(packet, b1, b2, b3, b4, b5, b6, 0x00); - memcpy(packet->bitmap, buf + offset, len); - - retval = usb_bulk_msg(udev, - usb_sndctrlpipe(udev, 2), - packet, - sizeof(struct asus_oled_packet), - &act_len, - -1); - - if (retval) - dev_dbg(&udev->dev, "retval = %d\n", retval); -} - - -static void send_packets_g50(struct usb_device *udev, - struct asus_oled_packet *packet, char *buf) -{ - send_packet(udev, packet, 0, 0x100, buf, - 0x10, 0x00, 0x02, 0x01, 0x00, 0x01); - send_packet(udev, packet, 0x100, 0x080, buf, - 0x10, 0x00, 0x02, 0x02, 0x80, 0x00); - - send_packet(udev, packet, 0x180, 0x100, buf, - 0x11, 0x00, 0x03, 0x01, 0x00, 0x01); - send_packet(udev, packet, 0x280, 0x100, buf, - 0x11, 0x00, 0x03, 0x02, 0x00, 0x01); - send_packet(udev, packet, 0x380, 0x080, buf, - 0x11, 0x00, 0x03, 0x03, 0x80, 0x00); -} - - -static void send_data(struct asus_oled_dev *odev) -{ - size_t packet_num = odev->buf_size / ASUS_OLED_PACKET_BUF_SIZE; - struct asus_oled_packet *packet; - - packet = kzalloc(sizeof(struct asus_oled_packet), GFP_KERNEL); - if (!packet) - return; - - if (odev->pack_mode == PACK_MODE_G1) { - /* - * When sending roll-mode data the display updated only - * first packet. I have no idea why, but when static picture - * is sent just before rolling picture everything works fine. - */ - if (odev->pic_mode == ASUS_OLED_ROLL) - send_packets(odev->udev, packet, odev->buf, - ASUS_OLED_STATIC, 2); - - /* Only ROLL mode can use more than 2 packets.*/ - if (odev->pic_mode != ASUS_OLED_ROLL && packet_num > 2) - packet_num = 2; - - send_packets(odev->udev, packet, odev->buf, - odev->pic_mode, packet_num); - } else if (odev->pack_mode == PACK_MODE_G50) { - send_packets_g50(odev->udev, packet, odev->buf); - } - - kfree(packet); -} - -static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count) -{ - odev->last_val = val; - - if (val == 0) { - odev->buf_offs += count; - return 0; - } - - while (count-- > 0) { - size_t x = odev->buf_offs % odev->width; - size_t y = odev->buf_offs / odev->width; - size_t i; - - x += odev->x_shift; - y += odev->y_shift; - - switch (odev->pack_mode) { - case PACK_MODE_G1: - /* - * i = (x/128)*640 + 127 - x + (y/8)*128; - * This one for 128 is the same, but might be better - * for different widths? - */ - i = (x/odev->dev_width)*640 + - odev->dev_width - 1 - x + - (y/8)*odev->dev_width; - break; - - case PACK_MODE_G50: - i = (odev->dev_width - 1 - x)/8 + y*odev->dev_width/8; - break; - - default: - i = 0; - dev_err(odev->dev, "Unknown OLED Pack Mode: %d!\n", - odev->pack_mode); - break; - } - - if (i >= odev->buf_size) { - dev_err(odev->dev, "Buffer overflow! Report a bug: offs: %zu >= %zu i: %zu (x: %zu y: %zu)\n", - odev->buf_offs, odev->buf_size, i, x, y); - return -EIO; - } - - switch (odev->pack_mode) { - case PACK_MODE_G1: - odev->buf[i] &= ~(1<<(y%8)); - break; - - case PACK_MODE_G50: - odev->buf[i] &= ~(1<<(x%8)); - break; - - default: - /* cannot get here; stops gcc complaining*/ - break; - } - - odev->buf_offs++; - } - - return 0; -} - -static ssize_t odev_set_picture(struct asus_oled_dev *odev, - const char *buf, size_t count) -{ - size_t offs = 0, max_offs; - - if (count < 1) - return 0; - - if (tolower(buf[0]) == 'b') { - /* binary mode, set the entire memory*/ - - size_t i; - - odev->buf_size = (odev->dev_width * ASUS_OLED_DISP_HEIGHT) / 8; - - kfree(odev->buf); - odev->buf = kmalloc(odev->buf_size, GFP_KERNEL); - if (odev->buf == NULL) { - odev->buf_size = 0; - dev_err(odev->dev, "Out of memory!\n"); - return -ENOMEM; - } - - memset(odev->buf, 0xff, odev->buf_size); - - for (i = 1; i < count && i <= 32 * 32; i++) { - odev->buf[i-1] = buf[i]; - odev->buf_offs = i-1; - } - - odev->width = odev->dev_width / 8; - odev->height = ASUS_OLED_DISP_HEIGHT; - odev->x_shift = 0; - odev->y_shift = 0; - odev->last_val = 0; - - send_data(odev); - - return count; - } - - if (buf[0] == '<') { - size_t i; - size_t w = 0, h = 0; - size_t w_mem, h_mem; - - if (count < 10 || buf[2] != ':') - goto error_header; - - - switch (tolower(buf[1])) { - case ASUS_OLED_STATIC: - case ASUS_OLED_ROLL: - case ASUS_OLED_FLASH: - odev->pic_mode = buf[1]; - break; - default: - dev_err(odev->dev, "Wrong picture mode: '%c'.\n", - buf[1]); - return -EIO; - break; - } - - for (i = 3; i < count; ++i) { - if (buf[i] >= '0' && buf[i] <= '9') { - w = 10*w + (buf[i] - '0'); - - if (w > ASUS_OLED_MAX_WIDTH) - goto error_width; - } else if (tolower(buf[i]) == 'x') { - break; - } else { - goto error_width; - } - } - - for (++i; i < count; ++i) { - if (buf[i] >= '0' && buf[i] <= '9') { - h = 10*h + (buf[i] - '0'); - - if (h > ASUS_OLED_DISP_HEIGHT) - goto error_height; - } else if (tolower(buf[i]) == '>') { - break; - } else { - goto error_height; - } - } - - if (w < 1 || w > ASUS_OLED_MAX_WIDTH) - goto error_width; - - if (h < 1 || h > ASUS_OLED_DISP_HEIGHT) - goto error_height; - - if (i >= count || buf[i] != '>') - goto error_header; - - offs = i+1; - - if (w % (odev->dev_width) != 0) - w_mem = (w/(odev->dev_width) + 1)*(odev->dev_width); - else - w_mem = w; - - if (h < ASUS_OLED_DISP_HEIGHT) - h_mem = ASUS_OLED_DISP_HEIGHT; - else - h_mem = h; - - odev->buf_size = w_mem * h_mem / 8; - - kfree(odev->buf); - odev->buf = kmalloc(odev->buf_size, GFP_KERNEL); - - if (odev->buf == NULL) { - odev->buf_size = 0; - dev_err(odev->dev, "Out of memory!\n"); - return -ENOMEM; - } - - memset(odev->buf, 0xff, odev->buf_size); - - odev->buf_offs = 0; - odev->width = w; - odev->height = h; - odev->x_shift = 0; - odev->y_shift = 0; - odev->last_val = 0; - - if (odev->pic_mode == ASUS_OLED_FLASH) { - if (h < ASUS_OLED_DISP_HEIGHT/2) - odev->y_shift = (ASUS_OLED_DISP_HEIGHT/2 - h)/2; - } else { - if (h < ASUS_OLED_DISP_HEIGHT) - odev->y_shift = (ASUS_OLED_DISP_HEIGHT - h)/2; - } - - if (w < (odev->dev_width)) - odev->x_shift = ((odev->dev_width) - w)/2; - } - - max_offs = odev->width * odev->height; - - while (offs < count && odev->buf_offs < max_offs) { - int ret = 0; - - if (buf[offs] == '1' || buf[offs] == '#') { - ret = append_values(odev, 1, 1); - if (ret < 0) - return ret; - } else if (buf[offs] == '0' || buf[offs] == ' ') { - ret = append_values(odev, 0, 1); - if (ret < 0) - return ret; - } else if (buf[offs] == '\n') { - /* - * New line detected. Lets assume, that all characters - * till the end of the line were equal to the last - * character in this line. - */ - if (odev->buf_offs % odev->width != 0) - ret = append_values(odev, odev->last_val, - odev->width - - (odev->buf_offs % - odev->width)); - if (ret < 0) - return ret; - } - - offs++; - } - - if (odev->buf_offs >= max_offs) - send_data(odev); - - return count; - -error_width: - dev_err(odev->dev, "Wrong picture width specified.\n"); - return -EIO; - -error_height: - dev_err(odev->dev, "Wrong picture height specified.\n"); - return -EIO; - -error_header: - dev_err(odev->dev, "Wrong picture header.\n"); - return -EIO; -} - -static ssize_t set_picture(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct usb_interface *intf = to_usb_interface(dev); - - return odev_set_picture(usb_get_intfdata(intf), buf, count); -} - -static ssize_t class_set_picture(struct device *device, - struct device_attribute *attr, - const char *buf, size_t count) -{ - return odev_set_picture((struct asus_oled_dev *) - dev_get_drvdata(device), buf, count); -} - -#define ASUS_OLED_DEVICE_ATTR(_file) dev_attr_asus_oled_##_file - -static DEVICE_ATTR(asus_oled_enabled, S_IWUSR | S_IRUGO, - get_enabled, set_enabled); -static DEVICE_ATTR(asus_oled_picture, S_IWUSR , NULL, set_picture); - -static DEVICE_ATTR(enabled, S_IWUSR | S_IRUGO, - class_get_enabled, class_set_enabled); -static DEVICE_ATTR(picture, S_IWUSR, NULL, class_set_picture); - -static int asus_oled_probe(struct usb_interface *interface, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(interface); - struct asus_oled_dev *odev = NULL; - int retval = -ENOMEM; - uint16_t dev_width = 0; - enum oled_pack_mode pack_mode = PACK_MODE_LAST; - const struct oled_dev_desc_str *dev_desc = oled_dev_desc_table; - const char *desc = NULL; - - if (!id) { - /* Even possible? Just to make sure...*/ - dev_err(&interface->dev, "No usb_device_id provided!\n"); - return -ENODEV; - } - - for (; dev_desc->idVendor; dev_desc++) { - if (dev_desc->idVendor == id->idVendor - && dev_desc->idProduct == id->idProduct) { - dev_width = dev_desc->devWidth; - desc = dev_desc->devDesc; - pack_mode = dev_desc->packMode; - break; - } - } - - if (!desc || dev_width < 1 || pack_mode == PACK_MODE_LAST) { - dev_err(&interface->dev, - "Missing or incomplete device description!\n"); - return -ENODEV; - } - - odev = kzalloc(sizeof(struct asus_oled_dev), GFP_KERNEL); - if (odev == NULL) - return -ENOMEM; - - odev->udev = usb_get_dev(udev); - odev->pic_mode = ASUS_OLED_STATIC; - odev->dev_width = dev_width; - odev->pack_mode = pack_mode; - odev->height = 0; - odev->width = 0; - odev->x_shift = 0; - odev->y_shift = 0; - odev->buf_offs = 0; - odev->buf_size = 0; - odev->last_val = 0; - odev->buf = NULL; - odev->enabled = 1; - odev->dev = NULL; - - usb_set_intfdata(interface, odev); - - retval = device_create_file(&interface->dev, - &ASUS_OLED_DEVICE_ATTR(enabled)); - if (retval) - goto err_files; - - retval = device_create_file(&interface->dev, - &ASUS_OLED_DEVICE_ATTR(picture)); - if (retval) - goto err_files; - - odev->dev = device_create(oled_class, &interface->dev, MKDEV(0, 0), - NULL, "oled_%d", ++oled_num); - - if (IS_ERR(odev->dev)) { - retval = PTR_ERR(odev->dev); - goto err_files; - } - - dev_set_drvdata(odev->dev, odev); - - retval = device_create_file(odev->dev, &dev_attr_enabled); - if (retval) - goto err_class_enabled; - - retval = device_create_file(odev->dev, &dev_attr_picture); - if (retval) - goto err_class_picture; - - dev_info(&interface->dev, - "Attached Asus OLED device: %s [width %u, pack_mode %d]\n", - desc, odev->dev_width, odev->pack_mode); - - if (start_off) - enable_oled(odev, 0); - - return 0; - -err_class_picture: - device_remove_file(odev->dev, &dev_attr_picture); - -err_class_enabled: - device_remove_file(odev->dev, &dev_attr_enabled); - device_unregister(odev->dev); - -err_files: - device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(enabled)); - device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(picture)); - - usb_set_intfdata(interface, NULL); - usb_put_dev(odev->udev); - kfree(odev); - - return retval; -} - -static void asus_oled_disconnect(struct usb_interface *interface) -{ - struct asus_oled_dev *odev; - - odev = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); - - device_remove_file(odev->dev, &dev_attr_picture); - device_remove_file(odev->dev, &dev_attr_enabled); - device_unregister(odev->dev); - - device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(picture)); - device_remove_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(enabled)); - - usb_put_dev(odev->udev); - - kfree(odev->buf); - - kfree(odev); - - dev_info(&interface->dev, "Disconnected Asus OLED device\n"); -} - -#ifdef CONFIG_PM -static int asus_oled_suspend(struct usb_interface *intf, pm_message_t message) -{ - struct asus_oled_dev *odev; - - odev = usb_get_intfdata(intf); - if (!odev) - return -ENODEV; - - odev->enabled_post_resume = odev->enabled; - enable_oled(odev, 0); - - return 0; -} - -static int asus_oled_resume(struct usb_interface *intf) -{ - struct asus_oled_dev *odev; - - odev = usb_get_intfdata(intf); - if (!odev) - return -ENODEV; - - enable_oled(odev, odev->enabled_post_resume); - - return 0; -} -#else -#define asus_oled_suspend NULL -#define asus_oled_resume NULL -#endif - -static struct usb_driver oled_driver = { - .name = ASUS_OLED_NAME, - .probe = asus_oled_probe, - .disconnect = asus_oled_disconnect, - .id_table = id_table, - .suspend = asus_oled_suspend, - .resume = asus_oled_resume, -}; - -static CLASS_ATTR_STRING(version, S_IRUGO, - ASUS_OLED_UNDERSCORE_NAME " " ASUS_OLED_VERSION); - -static int __init asus_oled_init(void) -{ - int retval = 0; - oled_class = class_create(THIS_MODULE, ASUS_OLED_UNDERSCORE_NAME); - - if (IS_ERR(oled_class)) { - pr_err("Error creating " ASUS_OLED_UNDERSCORE_NAME " class\n"); - return PTR_ERR(oled_class); - } - - retval = class_create_file(oled_class, &class_attr_version.attr); - if (retval) { - pr_err("Error creating class version file\n"); - goto error; - } - - retval = usb_register(&oled_driver); - - if (retval) { - pr_err("usb_register failed. Error number %d\n", retval); - goto error; - } - - return retval; - -error: - class_destroy(oled_class); - return retval; -} - -static void __exit asus_oled_exit(void) -{ - usb_deregister(&oled_driver); - class_remove_file(oled_class, &class_attr_version.attr); - class_destroy(oled_class); -} - -module_init(asus_oled_init); -module_exit(asus_oled_exit); - |