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) {
dev_err(&odev->udev->dev, "out of memory\n");
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 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);
}
