本文整理汇总了C++中rr3_ftr函数的典型用法代码示例。如果您正苦于以下问题：C++ rr3_ftr函数的具体用法？C++ rr3_ftr怎么用？C++ rr3_ftr使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了rr3_ftr函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: redrat3_get_firmware_rev
static void redrat3_get_firmware_rev(struct redrat3_dev *rr3)
{
int rc = 0;
char *buffer;
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
buffer = kzalloc(sizeof(char) * (RR3_FW_VERSION_LEN + 1), GFP_KERNEL);
if (!buffer) {
dev_err(rr3->dev, "Memory allocation failure\n");
return;
}
rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0),
RR3_FW_VERSION,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0, 0, buffer, RR3_FW_VERSION_LEN, HZ * 5);
if (rc >= 0)
dev_info(rr3->dev, "Firmware rev: %s", buffer);
else
dev_err(rr3->dev, "Problem fetching firmware ID\n");
kfree(buffer);
rr3_ftr(rr3->dev, "Exiting %s\n", __func__);
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:26，代码来源:redrat3.c
示例2: redrat3_dev_suspend
static int redrat3_dev_suspend(struct usb_interface *intf, pm_message_t message)
{
struct redrat3_dev *rr3 = usb_get_intfdata(intf);
rr3_ftr(rr3->dev, "suspend\n");
usb_kill_urb(rr3->read_urb);
return 0;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:7，代码来源:redrat3.c
示例3: redrat3_get_ir_data
/* gather IR data from incoming urb, process it when we have enough */
static int redrat3_get_ir_data(struct redrat3_dev *rr3, unsigned len)
{
struct device *dev = rr3->dev;
unsigned pkttype;
int ret = 0;
rr3_ftr(dev, "Entering %s\n", __func__);
if (rr3->bytes_read == 0 && len >= sizeof(struct redrat3_header)) {
redrat3_read_packet_start(rr3, len);
} else if (rr3->bytes_read != 0) {
redrat3_read_packet_continue(rr3, len);
} else if (rr3->bytes_read == 0) {
dev_err(dev, "error: no packet data read\n");
ret = -ENODATA;
goto out;
}
if (rr3->bytes_read < be16_to_cpu(rr3->irdata.header.length) +
sizeof(struct redrat3_header))
/* we're still accumulating data */
return 0;
/* if we get here, we've got IR data to decode */
pkttype = be16_to_cpu(rr3->irdata.header.transfer_type);
if (pkttype == RR3_MOD_SIGNAL_IN)
redrat3_process_ir_data(rr3);
else
rr3_dbg(dev, "discarding non-signal data packet (type 0x%02x)\n",
pkttype);
out:
rr3->bytes_read = 0;
return ret;
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:36，代码来源:redrat3.c
示例4: redrat3_dev_resume
static int redrat3_dev_resume(struct usb_interface *intf)
{
struct redrat3_dev *rr3 = usb_get_intfdata(intf);
rr3_ftr(rr3->dev, "resume\n");
if (usb_submit_urb(rr3->read_urb, GFP_ATOMIC))
return -EIO;
return 0;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:8，代码来源:redrat3.c
示例5: redrat3_dev_disconnect
static void redrat3_dev_disconnect(struct usb_interface *intf)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct redrat3_dev *rr3 = usb_get_intfdata(intf);
rr3_ftr(&intf->dev, "Entering %s\n", __func__);
if (!rr3)
return;
usb_set_intfdata(intf, NULL);
rc_unregister_device(rr3->rc);
led_classdev_unregister(&rr3->led);
del_timer_sync(&rr3->rx_timeout);
redrat3_delete(rr3, udev);
rr3_ftr(&intf->dev, "RedRat3 IR Transceiver now disconnected\n");
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:18，代码来源:redrat3.c
示例6: redrat3_read_packet_continue
static void redrat3_read_packet_continue(struct redrat3_dev *rr3, int len)
{
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
memcpy(rr3->datap, (unsigned char *)rr3->bulk_in_buf, len);
rr3->datap += len;
rr3->bytes_read += len;
rr3_dbg(rr3->dev, "bytes_read %d, pktlen %d\n",
rr3->bytes_read, rr3->pktlen);
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:12，代码来源:redrat3.c
示例7: redrat3_issue_async
/*
* redrat3_issue_async
*
* Issues an async read to the ir data in port..
* sets the callback to be redrat3_handle_async
*/
static void redrat3_issue_async(struct redrat3_dev *rr3)
{
int res;
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
res = usb_submit_urb(rr3->read_urb, GFP_ATOMIC);
if (res)
rr3_dbg(rr3->dev, "%s: receive request FAILED! "
"(res %d, len %d)\n", __func__, res,
rr3->read_urb->transfer_buffer_length);
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:18，代码来源:redrat3.c
示例8: redrat3_delete
static inline void redrat3_delete(struct redrat3_dev *rr3,
struct usb_device *udev)
{
rr3_ftr(rr3->dev, "%s cleaning up\n", __func__);
usb_kill_urb(rr3->read_urb);
usb_kill_urb(rr3->flash_urb);
usb_free_urb(rr3->read_urb);
usb_free_urb(rr3->flash_urb);
usb_free_coherent(udev, le16_to_cpu(rr3->ep_in->wMaxPacketSize),
rr3->bulk_in_buf, rr3->dma_in);
kfree(rr3);
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:13，代码来源:redrat3.c
示例9: redrat3_write_bulk_callback
static void redrat3_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
{
struct redrat3_dev *rr3;
int len;
if (!urb)
return;
rr3 = urb->context;
if (rr3) {
len = urb->actual_length;
rr3_ftr(rr3->dev, "%s: called (status=%d len=%d)\n",
__func__, urb->status, len);
}
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:15，代码来源:redrat3.c
示例10: redrat3_read_packet_start
static void redrat3_read_packet_start(struct redrat3_dev *rr3, int len)
{
u16 tx_error;
u16 hdrlen;
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
/* */
memcpy(&(rr3->pktlen), (unsigned char *) rr3->bulk_in_buf,
sizeof(rr3->pktlen));
memcpy(&(rr3->pkttype), ((unsigned char *) rr3->bulk_in_buf +
sizeof(rr3->pktlen)),
sizeof(rr3->pkttype));
/* */
rr3->pktlen = be16_to_cpu(rr3->pktlen);
rr3->pkttype = be16_to_cpu(rr3->pkttype);
switch (rr3->pkttype) {
case RR3_ERROR:
memcpy(&tx_error, ((unsigned char *)rr3->bulk_in_buf
+ (sizeof(rr3->pktlen) + sizeof(rr3->pkttype))),
sizeof(tx_error));
tx_error = be16_to_cpu(tx_error);
redrat3_dump_fw_error(rr3, tx_error);
break;
case RR3_MOD_SIGNAL_IN:
hdrlen = sizeof(rr3->pktlen) + sizeof(rr3->pkttype);
rr3->bytes_read = len;
rr3->bytes_read -= hdrlen;
rr3->datap = &(rr3->pbuf[0]);
memcpy(rr3->datap, ((unsigned char *)rr3->bulk_in_buf + hdrlen),
rr3->bytes_read);
rr3->datap += rr3->bytes_read;
rr3_dbg(rr3->dev, "bytes_read %d, pktlen %d\n",
rr3->bytes_read, rr3->pktlen);
break;
default:
rr3_dbg(rr3->dev, "ignoring packet with type 0x%02x, "
"len of %d, 0x%02x\n", rr3->pkttype, len, rr3->pktlen);
break;
}
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:46，代码来源:redrat3.c
示例11: redrat3_get_ir_data
static int redrat3_get_ir_data(struct redrat3_dev *rr3, int len)
{
struct device *dev = rr3->dev;
int ret = 0;
rr3_ftr(dev, "Entering %s\n", __func__);
if (rr3->pktlen > RR3_MAX_BUF_SIZE) {
dev_err(rr3->dev, "error: packet larger than buffer\n");
ret = -EINVAL;
goto out;
}
if ((rr3->bytes_read == 0) &&
(len >= (sizeof(rr3->pkttype) + sizeof(rr3->pktlen)))) {
redrat3_read_packet_start(rr3, len);
} else if (rr3->bytes_read != 0) {
redrat3_read_packet_continue(rr3, len);
} else if (rr3->bytes_read == 0) {
dev_err(dev, "error: no packet data read\n");
ret = -ENODATA;
goto out;
}
if (rr3->bytes_read > rr3->pktlen) {
dev_err(dev, "bytes_read (%d) greater than pktlen (%d)\n",
rr3->bytes_read, rr3->pktlen);
ret = -EINVAL;
goto out;
} else if (rr3->bytes_read < rr3->pktlen)
/* */
return 0;
/* */
if (rr3->pkttype == RR3_MOD_SIGNAL_IN)
redrat3_process_ir_data(rr3);
else
rr3_dbg(dev, "discarding non-signal data packet "
"(type 0x%02x)\n", rr3->pkttype);
out:
rr3->bytes_read = 0;
rr3->pktlen = 0;
rr3->pkttype = 0;
return ret;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:46，代码来源:redrat3.c
示例12: redrat3_disable_detector
static void redrat3_disable_detector(struct redrat3_dev *rr3)
{
struct device *dev = rr3->dev;
u8 ret;
rr3_ftr(dev, "Entering %s\n", __func__);
ret = redrat3_send_cmd(RR3_RC_DET_DISABLE, rr3);
if (ret != 0)
dev_err(dev, "%s: failure!\n", __func__);
ret = redrat3_send_cmd(RR3_RC_DET_STATUS, rr3);
if (ret != 0)
dev_warn(dev, "%s: detector status: %d, should be 0\n",
__func__, ret);
rr3->det_enabled = false;
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:18，代码来源:redrat3.c
示例13: redrat3_read_packet_continue
static void redrat3_read_packet_continue(struct redrat3_dev *rr3, unsigned len)
{
void *irdata = &rr3->irdata;
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
if (len + rr3->bytes_read > sizeof(rr3->irdata)) {
dev_warn(rr3->dev, "too much data for packet\n");
rr3->bytes_read = 0;
return;
}
memcpy(irdata + rr3->bytes_read, rr3->bulk_in_buf, len);
rr3->bytes_read += len;
rr3_dbg(rr3->dev, "bytes_read %d, pktlen %d\n", rr3->bytes_read,
be16_to_cpu(rr3->irdata.header.length));
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:18，代码来源:redrat3.c
示例14: redrat3_handle_async
static void redrat3_handle_async(struct urb *urb, struct pt_regs *regs)
{
struct redrat3_dev *rr3;
int ret;
if (!urb)
return;
rr3 = urb->context;
if (!rr3) {
pr_err("%s called with invalid context!\n", __func__);
usb_unlink_urb(urb);
return;
}
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
switch (urb->status) {
case 0:
ret = redrat3_get_ir_data(rr3, urb->actual_length);
if (!ret) {
/* */
redrat3_issue_async(rr3);
}
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
usb_unlink_urb(urb);
return;
case -EPIPE:
default:
dev_warn(rr3->dev, "Error: urb status = %d\n", urb->status);
rr3->bytes_read = 0;
rr3->pktlen = 0;
rr3->pkttype = 0;
break;
}
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:41，代码来源:redrat3.c
示例15: redrat3_reset
static void redrat3_reset(struct redrat3_dev *rr3)
{
struct usb_device *udev = rr3->udev;
struct device *dev = rr3->dev;
int rc, rxpipe, txpipe;
u8 *val;
int len = sizeof(u8);
rr3_ftr(dev, "Entering %s\n", __func__);
rxpipe = usb_rcvctrlpipe(udev, 0);
txpipe = usb_sndctrlpipe(udev, 0);
val = kzalloc(len, GFP_KERNEL);
if (!val) {
dev_err(dev, "Memory allocation failure\n");
return;
}
*val = 0x01;
rc = usb_control_msg(udev, rxpipe, RR3_RESET,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
RR3_CPUCS_REG_ADDR, 0, val, len, HZ * 25);
rr3_dbg(dev, "reset returned 0x%02x\n", rc);
*val = 5;
rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
RR3_IR_IO_LENGTH_FUZZ, 0, val, len, HZ * 25);
rr3_dbg(dev, "set ir parm len fuzz %d rc 0x%02x\n", *val, rc);
*val = RR3_DRIVER_MAXLENS;
rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
RR3_IR_IO_MAX_LENGTHS, 0, val, len, HZ * 25);
rr3_dbg(dev, "set ir parm max lens %d rc 0x%02x\n", *val, rc);
kfree(val);
}
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:39，代码来源:redrat3.c
示例16: redrat3_read_packet_start
static void redrat3_read_packet_start(struct redrat3_dev *rr3, unsigned len)
{
struct redrat3_header *header = rr3->bulk_in_buf;
unsigned pktlen, pkttype;
rr3_ftr(rr3->dev, "Entering %s\n", __func__);
/* grab the Length and type of transfer */
pktlen = be16_to_cpu(header->length);
pkttype = be16_to_cpu(header->transfer_type);
if (pktlen > sizeof(rr3->irdata)) {
dev_warn(rr3->dev, "packet length %u too large\n", pktlen);
return;
}
switch (pkttype) {
case RR3_ERROR:
if (len >= sizeof(struct redrat3_error)) {
struct redrat3_error *error = rr3->bulk_in_buf;
unsigned fw_error = be16_to_cpu(error->fw_error);
redrat3_dump_fw_error(rr3, fw_error);
}
break;
case RR3_MOD_SIGNAL_IN:
memcpy(&rr3->irdata, rr3->bulk_in_buf, len);
rr3->bytes_read = len;
rr3_dbg(rr3->dev, "bytes_read %d, pktlen %d\n",
rr3->bytes_read, pktlen);
break;
default:
rr3_dbg(rr3->dev, "ignoring packet with type 0x%02x, len of %d, 0x%02x\n",
pkttype, len, pktlen);
break;
}
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:38，代码来源:redrat3.c
示例17: redrat3_enable_detector
/* Enables the long range detector and starts async receive */
static int redrat3_enable_detector(struct redrat3_dev *rr3)
{
struct device *dev = rr3->dev;
u8 ret;
rr3_ftr(dev, "Entering %s\n", __func__);
ret = redrat3_send_cmd(RR3_RC_DET_ENABLE, rr3);
if (ret != 0)
dev_dbg(dev, "%s: unexpected ret of %d\n",
__func__, ret);
ret = redrat3_send_cmd(RR3_RC_DET_STATUS, rr3);
if (ret != 1) {
dev_err(dev, "%s: detector status: %d, should be 1\n",
__func__, ret);
return -EIO;
}
redrat3_issue_async(rr3);
return 0;
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:24，代码来源:redrat3.c
示例18: redrat3_transmit_ir
static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf,
unsigned count)
{
struct redrat3_dev *rr3 = rcdev->priv;
struct device *dev = rr3->dev;
struct redrat3_irdata *irdata = NULL;
int ret, ret_len;
int lencheck, cur_sample_len, pipe;
int *sample_lens = NULL;
u8 curlencheck = 0;
unsigned i, sendbuf_len;
rr3_ftr(dev, "Entering %s\n", __func__);
if (rr3->transmitting) {
dev_warn(dev, "%s: transmitter already in use\n", __func__);
return -EAGAIN;
}
if (count > RR3_MAX_SIG_SIZE - RR3_TX_TRAILER_LEN)
return -EINVAL;
/* rr3 will disable rc detector on transmit */
rr3->transmitting = true;
sample_lens = kzalloc(sizeof(int) * RR3_DRIVER_MAXLENS, GFP_KERNEL);
if (!sample_lens) {
ret = -ENOMEM;
goto out;
}
irdata = kzalloc(sizeof(*irdata), GFP_KERNEL);
if (!irdata) {
ret = -ENOMEM;
goto out;
}
for (i = 0; i < count; i++) {
cur_sample_len = redrat3_us_to_len(txbuf[i]);
if (cur_sample_len > 0xffff) {
dev_warn(dev, "transmit period of %uus truncated to %uus\n",
txbuf[i], redrat3_len_to_us(0xffff));
cur_sample_len = 0xffff;
}
for (lencheck = 0; lencheck < curlencheck; lencheck++) {
if (sample_lens[lencheck] == cur_sample_len)
break;
}
if (lencheck == curlencheck) {
rr3_dbg(dev, "txbuf[%d]=%u, pos %d, enc %u\n",
i, txbuf[i], curlencheck, cur_sample_len);
if (curlencheck < RR3_DRIVER_MAXLENS) {
/* now convert the value to a proper
* rr3 value.. */
sample_lens[curlencheck] = cur_sample_len;
put_unaligned_be16(cur_sample_len,
&irdata->lens[curlencheck]);
curlencheck++;
} else {
ret = -EINVAL;
goto out;
}
}
irdata->sigdata[i] = lencheck;
}
irdata->sigdata[count] = RR3_END_OF_SIGNAL;
irdata->sigdata[count + 1] = RR3_END_OF_SIGNAL;
sendbuf_len = offsetof(struct redrat3_irdata,
sigdata[count + RR3_TX_TRAILER_LEN]);
/* fill in our packet header */
irdata->header.length = cpu_to_be16(sendbuf_len -
sizeof(struct redrat3_header));
irdata->header.transfer_type = cpu_to_be16(RR3_MOD_SIGNAL_OUT);
irdata->pause = cpu_to_be32(redrat3_len_to_us(100));
irdata->mod_freq_count = cpu_to_be16(mod_freq_to_val(rr3->carrier));
irdata->no_lengths = curlencheck;
irdata->sig_size = cpu_to_be16(count + RR3_TX_TRAILER_LEN);
pipe = usb_sndbulkpipe(rr3->udev, rr3->ep_out->bEndpointAddress);
ret = usb_bulk_msg(rr3->udev, pipe, irdata,
sendbuf_len, &ret_len, 10 * HZ);
rr3_dbg(dev, "sent %d bytes, (ret %d)\n", ret_len, ret);
/* now tell the hardware to transmit what we sent it */
pipe = usb_rcvctrlpipe(rr3->udev, 0);
ret = usb_control_msg(rr3->udev, pipe, RR3_TX_SEND_SIGNAL,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0, 0, irdata, 2, HZ * 10);
if (ret < 0)
dev_err(dev, "Error: control msg send failed, rc %d\n", ret);
else
ret = count;
out:
kfree(sample_lens);
kfree(irdata);
//.........这里部分代码省略.........
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:101，代码来源:redrat3.c
示例19: redrat3_process_ir_data
static void redrat3_process_ir_data(struct redrat3_dev *rr3)
{
DEFINE_IR_RAW_EVENT(rawir);
struct device *dev;
unsigned i, trailer = 0;
unsigned sig_size, single_len, offset, val;
unsigned long delay;
u32 mod_freq;
if (!rr3) {
pr_err("%s called with no context!\n", __func__);
return;
}
rr3_ftr(rr3->dev, "Entered %s\n", __func__);
dev = rr3->dev;
/* Make sure we reset the IR kfifo after a bit of inactivity */
delay = usecs_to_jiffies(rr3->hw_timeout);
mod_timer(&rr3->rx_timeout, jiffies + delay);
mod_freq = redrat3_val_to_mod_freq(&rr3->irdata);
rr3_dbg(dev, "Got mod_freq of %u\n", mod_freq);
/* process each rr3 encoded byte into an int */
sig_size = be16_to_cpu(rr3->irdata.sig_size);
for (i = 0; i < sig_size; i++) {
offset = rr3->irdata.sigdata[i];
val = get_unaligned_be16(&rr3->irdata.lens[offset]);
single_len = redrat3_len_to_us(val);
/* we should always get pulse/space/pulse/space samples */
if (i % 2)
rawir.pulse = false;
else
rawir.pulse = true;
rawir.duration = US_TO_NS(single_len);
/* Save initial pulse length to fudge trailer */
if (i == 0)
trailer = rawir.duration;
/* cap the value to IR_MAX_DURATION */
rawir.duration &= IR_MAX_DURATION;
rr3_dbg(dev, "storing %s with duration %d (i: %d)\n",
rawir.pulse ? "pulse" : "space", rawir.duration, i);
ir_raw_event_store_with_filter(rr3->rc, &rawir);
}
/* add a trailing space, if need be */
if (i % 2) {
rawir.pulse = false;
/* this duration is made up, and may not be ideal... */
if (trailer < US_TO_NS(1000))
rawir.duration = US_TO_NS(2800);
else
rawir.duration = trailer;
rr3_dbg(dev, "storing trailing space with duration %d\n",
rawir.duration);
ir_raw_event_store_with_filter(rr3->rc, &rawir);
}
rr3_dbg(dev, "calling ir_raw_event_handle\n");
ir_raw_event_handle(rr3->rc);
}
开发者ID:NETFORCE2，项目名称:OpenWrt-14.07-Barrier-Breaker，代码行数:66，代码来源:redrat3.c
示例20: redrat3_dev_probe
static int __devinit redrat3_dev_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct device *dev = &intf->dev;
struct usb_host_interface *uhi;
struct redrat3_dev *rr3;
struct usb_endpoint_descriptor *ep;
struct usb_endpoint_descriptor *ep_in = NULL;
struct usb_endpoint_descriptor *ep_out = NULL;
u8 addr, attrs;
int pipe, i;
int retval = -ENOMEM;
rr3_ftr(dev, "%s called\n", __func__);
uhi = intf->cur_altsetting;
/* */
for (i = 0; i < uhi->desc.bNumEndpoints; ++i) {
ep = &uhi->endpoint[i].desc;
addr = ep->bEndpointAddress;
attrs = ep->bmAttributes;
if ((ep_in == NULL) &&
((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK)) {
rr3_dbg(dev, "found bulk-in endpoint at 0x%02x\n",
ep->bEndpointAddress);
/* */
if (ep->bEndpointAddress == RR3_BULK_IN_EP_ADDR)
ep_in = ep;
}
if ((ep_out == NULL) &&
((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK)) {
rr3_dbg(dev, "found bulk-out endpoint at 0x%02x\n",
ep->bEndpointAddress);
ep_out = ep;
}
}
if (!ep_in || !ep_out) {
dev_err(dev, "Couldn't find both in and out endpoints\n");
retval = -ENODEV;
goto no_endpoints;
}
/* */
rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);
if (rr3 == NULL) {
dev_err(dev, "Memory allocation failure\n");
goto no_endpoints;
}
rr3->dev = &intf->dev;
/* */
rr3->read_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rr3->read_urb) {
dev_err(dev, "Read urb allocation failure\n");
goto error;
}
rr3->ep_in = ep_in;
rr3->bulk_in_buf = usb_alloc_coherent(udev, ep_in->wMaxPacketSize,
GFP_ATOMIC, &rr3->dma_in);
if (!rr3->bulk_in_buf) {
dev_err(dev, "Read buffer allocation failure\n");
goto error;
}
pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress);
usb_fill_bulk_urb(rr3->read_urb, udev, pipe,
rr3->bulk_in_buf, ep_in->wMaxPacketSize,
(usb_complete_t)redrat3_handle_async, rr3);
/* */
rr3->write_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rr3->write_urb) {
dev_err(dev, "Write urb allocation failure\n");
goto error;
}
rr3->ep_out = ep_out;
rr3->bulk_out_buf = usb_alloc_coherent(udev, ep_out->wMaxPacketSize,
GFP_ATOMIC, &rr3->dma_out);
if (!rr3->bulk_out_buf) {
dev_err(dev, "Write buffer allocation failure\n");
goto error;
}
pipe = usb_sndbulkpipe(udev, ep_out->bEndpointAddress);
usb_fill_bulk_urb(rr3->write_urb, udev, pipe,
rr3->bulk_out_buf, ep_out->wMaxPacketSize,
(usb_complete_t)redrat3_write_bulk_callback, rr3);
//.........这里部分代码省略.........
开发者ID:romanbb，项目名称:android_kernel_lge_d851，代码行数:101，代码来源:redrat3.c
注：本文中的rr3_ftr函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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