@@ -115,27 +115,27 @@ static DEFINE_RWLOCK(adb_handler_lock);
#if 0
static void printADBreply(struct adb_request *req)
{
- int i;
+ int i;
- printk("adb reply (%d)", req->reply_len);
- for(i = 0; i < req->reply_len; i++)
- printk(" %x", req->reply[i]);
- printk("\n");
+ printk("adb reply (%d)", req->reply_len);
+ for (i = 0; i < req->reply_len; i++)
+ printk(" %x", req->reply[i]);
+ printk("\n");
}
#endif
static int adb_scan_bus(void)
{
- int i, highFree=0, noMovement;
+ int i, highFree = 0, noMovement;
int devmask = 0;
struct adb_request req;
-
+
/* assumes adb_handler[] is all zeroes at this point */
for (i = 1; i < 16; i++) {
/* see if there is anything at address i */
adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
- (i << 4) | 0xf);
+ (i << 4) | 0xf);
if (req.reply_len > 1)
/* one or more devices at this address */
adb_handler[i].original_address = i;
@@ -161,7 +161,7 @@ static int adb_scan_bus(void)
* this only moves one device.
*/
adb_request(&req, NULL, ADBREQ_SYNC, 3,
- (i<< 4) | 0xb, (highFree | 0x60), 0xfe);
+ (i << 4) | 0xb, (highFree | 0x60), 0xfe);
/*
* See if anybody actually moved. This is suggested
* by HW TechNote 01:
@@ -170,7 +170,8 @@ static int adb_scan_bus(void)
*/
adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
(highFree << 4) | 0xf);
- if (req.reply_len <= 1) continue;
+ if (req.reply_len <= 1)
+ continue;
/*
* Test whether there are any device(s) left
* at address i.
@@ -193,8 +194,7 @@ static int adb_scan_bus(void)
break;
noMovement = 0;
- }
- else {
+ } else {
/*
* No devices left at address i; move the
* one(s) we moved to `highFree' back to i.
@@ -203,7 +203,7 @@ static int adb_scan_bus(void)
(highFree << 4) | 0xb,
(i | 0x60), 0xfe);
}
- }
+ }
}
/* Now fill in the handler_id field of the adb_handler entries. */
@@ -307,7 +307,7 @@ static int __init adb_init(void)
if (adb_inited)
return 0;
adb_inited = 1;
-
+
adb_controller = NULL;
i = 0;
@@ -341,10 +341,10 @@ static int
do_adb_reset_bus(void)
{
int ret;
-
+
if (adb_controller == NULL)
return -ENXIO;
-
+
if (adb_controller->autopoll)
adb_controller->autopoll(0);
@@ -381,14 +381,14 @@ do_adb_reset_bus(void)
blocking_notifier_call_chain(&adb_client_list,
ADB_MSG_POST_RESET, NULL);
-
+
return ret;
}
void
adb_poll(void)
{
- if ((adb_controller == NULL)||(adb_controller->poll == NULL))
+ if ((adb_controller == NULL) || (adb_controller->poll == NULL))
return;
adb_controller->poll();
}
@@ -459,7 +459,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids,
ids->nids = 0;
for (i = 1; i < 16; i++) {
if ((adb_handler[i].original_address == default_id) &&
- (!handler_id || (handler_id == adb_handler[i].handler_id) ||
+ (!handler_id || (handler_id == adb_handler[i].handler_id) ||
try_handler_change(i, handler_id))) {
if (adb_handler[i].handler != 0) {
printk(KERN_ERR
@@ -485,7 +485,7 @@ adb_unregister(int index)
mutex_lock(&adb_handler_mutex);
write_lock_irq(&adb_handler_lock);
if (adb_handler[index].handler) {
- while(adb_handler[index].busy) {
+ while (adb_handler[index].busy) {
write_unlock_irq(&adb_handler_lock);
yield();
write_lock_irq(&adb_handler_lock);
@@ -504,7 +504,7 @@ adb_input(unsigned char *buf, int nb, int autopoll)
int i, id;
static int dump_adb_input = 0;
unsigned long flags;
-
+
void (*handler)(unsigned char *, int, int);
/* We skip keystrokes and mouse moves when the sleep process
@@ -512,7 +512,7 @@ adb_input(unsigned char *buf, int nb, int autopoll)
*/
if (adb_got_sleep)
return;
-
+
id = buf[0] >> 4;
if (dump_adb_input) {
printk(KERN_INFO "adb packet: ");
@@ -530,7 +530,7 @@ adb_input(unsigned char *buf, int nb, int autopoll)
wmb();
adb_handler[id].busy = 0;
}
-
+
}
/* Try to change handler to new_id. Will return 1 if successful. */
@@ -539,15 +539,15 @@ static int try_handler_change(int address, int new_id)
struct adb_request req;
if (adb_handler[address].handler_id == new_id)
- return 1;
+ return 1;
adb_request(&req, NULL, ADBREQ_SYNC, 3,
ADB_WRITEREG(address, 3), address | 0x20, new_id);
adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
ADB_READREG(address, 3));
if (req.reply_len < 2)
- return 0;
+ return 0;
if (req.reply[2] != new_id)
- return 0;
+ return 0;
adb_handler[address].handler_id = req.reply[2];
return 1;
@@ -586,7 +586,7 @@ struct adbdev_state {
spinlock_t lock;
atomic_t n_pending;
struct adb_request *completed;
- wait_queue_head_t wait_queue;
+ wait_queue_head_t wait_queue;
int inuse;
};
@@ -624,8 +624,7 @@ do_adb_query(struct adb_request *req)
{
int ret = -EINVAL;
- switch(req->data[1])
- {
+ switch (req->data[1]) {
case ADB_QUERY_GETDEVINFO:
if (req->nbytes < 3)
break;
@@ -697,7 +696,7 @@ static ssize_t adb_read(struct file *file, char __user *buf,
int ret = 0;
struct adbdev_state *state = file->private_data;
struct adb_request *req;
- wait_queue_t wait = __WAITQUEUE_INITIALIZER(wait,current);
+ wait_queue_t wait = __WAITQUEUE_INITIALIZER(wait, current);
unsigned long flags;
if (count < 2)
@@ -720,7 +719,7 @@ static ssize_t adb_read(struct file *file, char __user *buf,
ret = -EIO;
if (req != NULL || ret != 0)
break;
-
+
if (file->f_flags & O_NONBLOCK) {
ret = -EAGAIN;
break;
@@ -737,7 +736,7 @@ static ssize_t adb_read(struct file *file, char __user *buf,
current->state = TASK_RUNNING;
remove_wait_queue(&state->wait_queue, &wait);
spin_unlock_irqrestore(&state->lock, flags);
-
+
if (ret)
return ret;
@@ -774,7 +773,7 @@ static ssize_t adb_write(struct file *file, const char __user *buf,
req->done = adb_write_done;
req->arg = (void *) state;
req->complete = 0;
-
+
ret = -EFAULT;
if (copy_from_user(req->data, buf, count))
goto out;
@@ -794,15 +793,15 @@ static ssize_t adb_write(struct file *file, const char __user *buf,
}
/* Special case for ADB_BUSRESET request, all others are sent to
the controller */
- else if ((req->data[0] == ADB_PACKET)&&(count > 1)
- &&(req->data[1] == ADB_BUSRESET)) {
+ else if ((req->data[0] == ADB_PACKET) && (count > 1)
+ && (req->data[1] == ADB_BUSRESET)) {
ret = do_adb_reset_bus();
up(&adb_probe_mutex);
atomic_dec(&state->n_pending);
if (ret == 0)
ret = count;
goto out;
- } else {
+ } else {
req->reply_expected = ((req->data[1] & 0xc) == 0xc);
if (adb_controller && adb_controller->send_request)
ret = adb_controller->send_request(req, 0);