static inline int try_write_address(struct i2c_adapter *i2c_adap,
unsigned char addr, int retries)
{
static inline int try_write_address(struct i2c_adapter *i2c_adap,
unsigned char addr, int retries)
{
ret = (usbvision_i2c_write(data, addr, buf, 1));
if (ret == 1)
break; /* success! */
ret = (usbvision_i2c_write(data, addr, buf, 1));
if (ret == 1)
break; /* success! */
}
if (i) {
PDEBUG(DBG_ALGO,"Needed %d retries for address %#2x", i, addr);
}
if (i) {
PDEBUG(DBG_ALGO,"Needed %d retries for address %#2x", i, addr);
static inline int try_read_address(struct i2c_adapter *i2c_adap,
unsigned char addr, int retries)
{
static inline int try_read_address(struct i2c_adapter *i2c_adap,
unsigned char addr, int retries)
{
ret = (usbvision_i2c_read(data, addr, buf, 1));
if (ret == 1)
break; /* success! */
ret = (usbvision_i2c_read(data, addr, buf, 1));
if (ret == 1)
break; /* success! */
}
if (i) {
PDEBUG(DBG_ALGO,"Needed %d retries for address %#2x", i, addr);
}
if (i) {
PDEBUG(DBG_ALGO,"Needed %d retries for address %#2x", i, addr);
{
PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
PDEBUG(DBG_ALGO, "ALGO debugging is enabled [i2c]");
{
PDEBUG(DBG_I2C, "I2C debugging is enabled [i2c]");
PDEBUG(DBG_ALGO, "ALGO debugging is enabled [i2c]");
/* usbvision specific I2C functions */
/* ----------------------------------------------------------------------- */
static struct i2c_adapter i2c_adap_template;
/* usbvision specific I2C functions */
/* ----------------------------------------------------------------------- */
static struct i2c_adapter i2c_adap_template;
static struct i2c_client i2c_client_template;
int usbvision_init_i2c(struct usb_usbvision *usbvision)
{
memcpy(&usbvision->i2c_adap, &i2c_adap_template,
sizeof(struct i2c_adapter));
static struct i2c_client i2c_client_template;
int usbvision_init_i2c(struct usb_usbvision *usbvision)
{
memcpy(&usbvision->i2c_adap, &i2c_adap_template,
sizeof(struct i2c_adapter));
memcpy(&usbvision->i2c_client, &i2c_client_template,
sizeof(struct i2c_client));
sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name),
" #%d", usbvision->vdev->minor & 0x1f);
PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name);
memcpy(&usbvision->i2c_client, &i2c_client_template,
sizeof(struct i2c_client));
sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name),
" #%d", usbvision->vdev->minor & 0x1f);
PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name);
i2c_set_adapdata(&usbvision->i2c_adap, usbvision);
i2c_set_clientdata(&usbvision->i2c_client, usbvision);
i2c_set_adapdata(&usbvision->i2c_adap, usbvision);
i2c_set_clientdata(&usbvision->i2c_client, usbvision);
usbvision->i2c_client.adapter = &usbvision->i2c_adap;
if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
usbvision->i2c_client.adapter = &usbvision->i2c_adap;
if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
static struct i2c_adapter i2c_adap_template = {
.owner = THIS_MODULE,
.name = "usbvision",
.id = I2C_HW_B_BT848, /* FIXME */
static struct i2c_adapter i2c_adap_template = {
.owner = THIS_MODULE,
.name = "usbvision",
.id = I2C_HW_B_BT848, /* FIXME */
.client_register = attach_inform,
.client_unregister = detach_inform,
#ifdef I2C_ADAP_CLASS_TV_ANALOG
.client_register = attach_inform,
.client_unregister = detach_inform,
#ifdef I2C_ADAP_CLASS_TV_ANALOG
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------