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authorKevin A. Granade <kevin.granade@gmail.com>2009-09-05 10:03:39 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 23:02:33 +0400
commit1ff12a4aa354bed093a0240d5e6347b1e27601bc (patch)
treef7508ad663caf36189325efe55d0af456471a212
parenta89dfebdad050598479c73c1a22e2323085b5596 (diff)
downloadlinux-1ff12a4aa354bed093a0240d5e6347b1e27601bc.tar.xz
Staging: asus_oled: Cleaned up checkpatch issues.
Signed-off-by: Kevin A. Granade <kevin.granade@gmail.com> Cc: Belisko Marek <marek.belisko@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/staging/asus_oled/asus_oled.c404
1 files changed, 221 insertions, 183 deletions
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 9270f5df0204..f4c26572c7df 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -63,26 +63,31 @@ 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");
+MODULE_PARM_DESC(start_off,
+ "Set to 1 to switch off OLED display after it is attached");
-typedef enum {
+enum oled_pack_mode{
PACK_MODE_G1,
PACK_MODE_G50,
PACK_MODE_LAST
-} oled_pack_mode_t;
+};
struct oled_dev_desc_str {
uint16_t idVendor;
uint16_t idProduct;
- uint16_t devWidth; // width of display
- oled_pack_mode_t packMode; // formula to be used while packing the picture
+ /* 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 struct usb_device_id id_table[] = {
- { USB_DEVICE(0x0b05, 0x1726) }, // Asus G1/G2 (and variants)
- { USB_DEVICE(0x0b05, 0x175b) }, // Asus G50V (and possibly others - G70? G71?)
+ /* Asus G1/G2 (and variants)*/
+ { USB_DEVICE(0x0b05, 0x1726) },
+ /* Asus G50V (and possibly others - G70? G71?)*/
+ { USB_DEVICE(0x0b05, 0x175b) },
{ },
};
@@ -95,20 +100,6 @@ static struct oled_dev_desc_str oled_dev_desc_table[] = {
MODULE_DEVICE_TABLE(usb, id_table);
-#define SETUP_PACKET_HEADER(packet, val1, val2, val3, val4, val5, val6, val7) \
- do { \
- memset(packet, 0, sizeof(struct asus_oled_header)); \
- packet->header.magic1 = 0x55; \
- packet->header.magic2 = 0xaa; \
- packet->header.flags = val1; \
- packet->header.value3 = val2; \
- packet->header.buffer1 = val3; \
- packet->header.buffer2 = val4; \
- packet->header.value6 = val5; \
- packet->header.value7 = val6; \
- packet->header.value8 = val7; \
- } while (0);
-
struct asus_oled_header {
uint8_t magic1;
uint8_t magic2;
@@ -128,10 +119,10 @@ struct asus_oled_packet {
} __attribute((packed));
struct asus_oled_dev {
- struct usb_device * udev;
+ struct usb_device *udev;
uint8_t pic_mode;
uint16_t dev_width;
- oled_pack_mode_t pack_mode;
+ enum oled_pack_mode pack_mode;
size_t height;
size_t width;
size_t x_shift;
@@ -144,12 +135,28 @@ struct asus_oled_dev {
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 a;
int retval;
int act_len;
- struct asus_oled_packet * packet;
+ struct asus_oled_packet *packet;
packet = kzalloc(sizeof(struct asus_oled_packet), GFP_KERNEL);
@@ -158,7 +165,7 @@ static void enable_oled(struct asus_oled_dev *odev, uint8_t enabl)
return;
}
- SETUP_PACKET_HEADER(packet, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00);
+ setup_packet_header(packet, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00);
if (enabl)
packet->bitmap[0] = 0xaf;
@@ -182,29 +189,34 @@ static void enable_oled(struct asus_oled_dev *odev, uint8_t enabl)
kfree(packet);
}
-static ssize_t set_enabled(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+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);
- int temp = simple_strtoul(buf, NULL, 10);
+ int temp = strict_strtoul(buf, 10, NULL);
enable_oled(odev, temp);
return count;
}
-static ssize_t class_set_enabled(struct device *device, struct device_attribute *attr, const char *buf, size_t 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);
+ struct asus_oled_dev *odev =
+ (struct asus_oled_dev *) dev_get_drvdata(device);
- int temp = simple_strtoul(buf, NULL, 10);
+ int temp = strict_strtoul(buf, 10, NULL);
enable_oled(odev, temp);
return count;
}
-static ssize_t get_enabled(struct device *dev, struct device_attribute *attr, char *buf)
+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);
@@ -212,15 +224,18 @@ static ssize_t get_enabled(struct device *dev, struct device_attribute *attr, ch
return sprintf(buf, "%d\n", odev->enabled);
}
-static ssize_t class_get_enabled(struct device *device, struct device_attribute *attr, char *buf)
+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);
+ 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)
+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;
@@ -229,65 +244,76 @@ static void send_packets(struct usb_device *udev, struct asus_oled_packet *packe
int retval;
switch (p_type) {
- case ASUS_OLED_ROLL:
- SETUP_PACKET_HEADER(packet, 0x40, 0x80, p_num, i + 1, 0x00, 0x01, 0xff);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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) {
+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);
+ 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);
+ 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)
+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);
+ 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;
+ struct asus_oled_packet *packet;
packet = kzalloc(sizeof(struct asus_oled_packet), GFP_KERNEL);
@@ -297,20 +323,20 @@ static void send_data(struct asus_oled_dev *odev)
}
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 send just before
- // rolling picture - everything works fine.
+ /* 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);
+ send_packets(odev->udev, packet, odev->buf,
+ ASUS_OLED_STATIC, 2);
- // Only ROLL mode can use more than 2 packets.
+ /* 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(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);
}
@@ -319,53 +345,55 @@ static void send_data(struct asus_oled_dev *odev)
static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
{
- while (count-- > 0) {
- if (val) {
- 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;
+ while (count-- > 0 && val) {
+ size_t x = odev->buf_offs % odev->width;
+ size_t y = odev->buf_offs / odev->width;
+ size_t i;
- case PACK_MODE_G50:
- i = (odev->dev_width - 1 - x)/8 + y*odev->dev_width/8;
- break;
+ 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;
- default:
- i = 0;
- printk(ASUS_OLED_ERROR "Unknown OLED Pack Mode: %d!\n", odev->pack_mode);
- break;
- }
+ case PACK_MODE_G50:
+ i = (odev->dev_width - 1 - x)/8 + y*odev->dev_width/8;
+ break;
- if (i >= odev->buf_size) {
- printk(ASUS_OLED_ERROR "Buffer overflow! Report a bug in the driver: offs: %d >= %d i: %d (x: %d y: %d)\n",
- (int) odev->buf_offs, (int) odev->buf_size, (int) i, (int) x, (int) y);
- return -EIO;
- }
+ default:
+ i = 0;
+ printk(ASUS_OLED_ERROR "Unknown OLED Pack Mode: %d!\n",
+ odev->pack_mode);
+ break;
+ }
- switch (odev->pack_mode)
- {
- case PACK_MODE_G1:
- odev->buf[i] &= ~(1<<(y%8));
- break;
+ if (i >= odev->buf_size) {
+ printk(ASUS_OLED_ERROR "Buffer overflow! Report a bug:"
+ "offs: %d >= %d i: %d (x: %d y: %d)\n",
+ (int) odev->buf_offs, (int) odev->buf_size,
+ (int) i, (int) x, (int) y);
+ return -EIO;
+ }
- case PACK_MODE_G50:
- odev->buf[i] &= ~(1<<(x%8));
- break;
+ switch (odev->pack_mode) {
+ case PACK_MODE_G1:
+ odev->buf[i] &= ~(1<<(y%8));
+ break;
- default:
- // cannot get here; stops gcc complaining
- ;
- }
+ case PACK_MODE_G50:
+ odev->buf[i] &= ~(1<<(x%8));
+ break;
+
+ default:
+ /* cannot get here; stops gcc complaining*/
+ ;
}
odev->last_val = val;
@@ -375,7 +403,8 @@ static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
return 0;
}
-static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, size_t count)
+static ssize_t odev_set_picture(struct asus_oled_dev *odev,
+ const char *buf, size_t count)
{
size_t offs = 0, max_offs;
@@ -383,32 +412,31 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
return 0;
if (tolower(buf[0]) == 'b') {
- // binary mode, set the entire memory
+ /* binary mode, set the entire memory*/
- size_t i;
+ size_t i;
- odev->buf_size = (odev->dev_width * ASUS_OLED_DISP_HEIGHT) / 8;
+ odev->buf_size = (odev->dev_width * ASUS_OLED_DISP_HEIGHT) / 8;
- if (odev->buf)
- kfree(odev->buf);
- odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
+ kfree(odev->buf);
+ odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
- memset(odev->buf, 0xff, odev->buf_size);
+ 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;
- }
+ 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;
+ 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);
+ send_data(odev);
- return count;
+ return count;
}
if (buf[0] == '<') {
@@ -416,20 +444,21 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
size_t w = 0, h = 0;
size_t w_mem, h_mem;
- if (count < 10 || buf[2] != ':') {
+ 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:
- printk(ASUS_OLED_ERROR "Wrong picture mode: '%c'.\n", buf[1]);
- return -EIO;
- break;
+ case ASUS_OLED_STATIC:
+ case ASUS_OLED_ROLL:
+ case ASUS_OLED_FLASH:
+ odev->pic_mode = buf[1];
+ break;
+ default:
+ printk(ASUS_OLED_ERROR "Wrong picture mode: '%c'.\n",
+ buf[1]);
+ return -EIO;
+ break;
}
for (i = 3; i < count; ++i) {
@@ -438,11 +467,11 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
if (w > ASUS_OLED_MAX_WIDTH)
goto error_width;
- }
- else if (tolower(buf[i]) == 'x')
+ } else if (tolower(buf[i]) == 'x') {
break;
- else
+ } else {
goto error_width;
+ }
}
for (++i; i < count; ++i) {
@@ -451,11 +480,11 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
if (h > ASUS_OLED_DISP_HEIGHT)
goto error_height;
- }
- else if (tolower(buf[i]) == '>')
+ } else if (tolower(buf[i]) == '>') {
break;
- else
+ } else {
goto error_height;
+ }
}
if (w < 1 || w > ASUS_OLED_MAX_WIDTH)
@@ -481,8 +510,7 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
odev->buf_size = w_mem * h_mem / 8;
- if (odev->buf)
- kfree(odev->buf);
+ kfree(odev->buf);
odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
if (odev->buf == NULL) {
@@ -503,8 +531,7 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
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 {
+ } else {
if (h < ASUS_OLED_DISP_HEIGHT)
odev->y_shift = (ASUS_OLED_DISP_HEIGHT - h)/2;
}
@@ -522,20 +549,21 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev, const char *buf, siz
ret = append_values(odev, 1, 1);
if (ret < 0)
return ret;
- }
- else if (buf[offs] == '0' || buf[offs] == ' ') {
+ } 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.
+ } 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;
+ odev->width -
+ (odev->buf_offs %
+ odev->width));
+ if (ret < 0)
+ return ret;
}
offs++;
@@ -559,47 +587,52 @@ error_header:
return -EIO;
}
-static ssize_t set_picture(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+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)
+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);
+ 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_IWUGO | S_IRUGO, get_enabled, set_enabled);
+static DEVICE_ATTR(asus_oled_enabled, S_IWUGO | S_IRUGO,
+ get_enabled, set_enabled);
static DEVICE_ATTR(asus_oled_picture, S_IWUGO , NULL, set_picture);
-static DEVICE_ATTR(enabled, S_IWUGO | S_IRUGO, class_get_enabled, class_set_enabled);
+static DEVICE_ATTR(enabled, S_IWUGO | S_IRUGO,
+ class_get_enabled, class_set_enabled);
static DEVICE_ATTR(picture, S_IWUGO, NULL, class_set_picture);
-static int asus_oled_probe(struct usb_interface *interface, const struct usb_device_id *id)
+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;
- oled_pack_mode_t pack_mode = PACK_MODE_LAST;
- const struct oled_dev_desc_str * dev_desc = oled_dev_desc_table;
+ 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...
+ /* Even possible? Just to make sure...*/
dev_err(&interface->dev, "No usb_device_id provided!\n");
return -ENODEV;
}
- for (; dev_desc->idVendor; dev_desc++)
- {
+ for (; dev_desc->idVendor; dev_desc++) {
if (dev_desc->idVendor == id->idVendor
- && dev_desc->idProduct == id->idProduct)
- {
+ && dev_desc->idProduct == id->idProduct) {
dev_width = dev_desc->devWidth;
desc = dev_desc->devDesc;
pack_mode = dev_desc->packMode;
@@ -608,7 +641,8 @@ static int asus_oled_probe(struct usb_interface *interface, const struct usb_dev
}
if (!desc || dev_width < 1 || pack_mode == PACK_MODE_LAST) {
- dev_err(&interface->dev, "Missing or incomplete device description!\n");
+ dev_err(&interface->dev,
+ "Missing or incomplete device description!\n");
return -ENODEV;
}
@@ -636,16 +670,18 @@ static int asus_oled_probe(struct usb_interface *interface, const struct usb_dev
usb_set_intfdata(interface, odev);
- retval = device_create_file(&interface->dev, &ASUS_OLED_DEVICE_ATTR(enabled));
+ 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));
+ 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);
+ NULL, "oled_%d", ++oled_num);
if (IS_ERR(odev->dev)) {
retval = PTR_ERR(odev->dev);
@@ -662,7 +698,9 @@ static int asus_oled_probe(struct usb_interface *interface, const struct usb_dev
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);
+ 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);
@@ -703,8 +741,7 @@ static void asus_oled_disconnect(struct usb_interface *interface)
usb_put_dev(odev->udev);
- if (odev->buf)
- kfree(odev->buf);
+ kfree(odev->buf);
kfree(odev);
@@ -720,7 +757,8 @@ static struct usb_driver oled_driver = {
static ssize_t version_show(struct class *dev, char *buf)
{
- return sprintf(buf, ASUS_OLED_UNDERSCORE_NAME " %s\n", ASUS_OLED_VERSION);
+ return sprintf(buf, ASUS_OLED_UNDERSCORE_NAME " %s\n",
+ ASUS_OLED_VERSION);
}
static CLASS_ATTR(version, S_IRUGO, version_show, NULL);