uint8_t init_rcp_input_dev(struct mhl_dev_context *dev_context)
{
int i;
uint8_t error;
struct input_dev *rcp_input_dev;
if (dev_context->rcp_input_dev != NULL) {
MHL_TX_DBG_INFO(dev_context, "RCP input device already exists!\n");
return 0;
}
rcp_input_dev = input_allocate_device();
if (!rcp_input_dev) {
MHL_TX_DBG_ERR(dev_context, "Failed to allocate RCP input device\n");
return -ENOMEM;
}
set_bit(EV_KEY, rcp_input_dev->evbit);
// rcp_input_dev->phys = "mdt_kbd/input0";
rcp_input_dev->name = "MHL Remote Control";
rcp_input_dev->keycode = rcp_def_keymap;
rcp_input_dev->keycodesize = sizeof(u16);
rcp_input_dev->keycodemax = ARRAY_SIZE(rcp_def_keymap);
for (i = 1; i < ARRAY_SIZE(rcp_def_keymap); i++) {
u16 keycode = rcp_def_keymap[i];
if (keycode != KEY_UNKNOWN && keycode != KEY_RESERVED)
set_bit(keycode, rcp_input_dev->keybit);
}
rcp_input_dev->id.bustype = BUS_VIRTUAL;
// rcp_input_dev->id.vendor = 0x1095;
// rcp_input_dev->id.product = 0x8348;
error = input_register_device(rcp_input_dev);
if (error) {
MHL_TX_DBG_ERR(dev_context, "Failed to register device\n");
input_free_device(rcp_input_dev);
return error;
}
MHL_TX_DBG_INFO(dev_context, "device created\n");
dev_context->rcp_input_dev = rcp_input_dev;
return 0;
}
static void __exit si_8348_exit(void)
{
int idx;
mhl_tx_remove(device_addresses[0].client);
MHL_TX_DBG_INFO(NULL, "client removed\n");
i2c_del_driver(&si_8348_mhl_tx_i2c_driver);
MHL_TX_DBG_INFO(NULL, "i2c driver deleted from context\n");
for (idx = 0; idx < ARRAY_SIZE(device_addresses); idx++) {
MHL_TX_DBG_INFO(NULL, "\n");
if (device_addresses[idx].client != NULL){
MHL_TX_DBG_INFO(NULL, "unregistering device:%p\n",device_addresses[idx].client);
i2c_unregister_device(device_addresses[idx].client);
}
}
}
int si_8348_init(void)
{
struct i2c_client *client;
int idx;
int ret = -EFAULT;
pr_info("%s driver starting!!\n", MHL_DRIVER_NAME);
#if 0
/* "Hotplug" the MHL transmitter device onto the 2nd I2C bus */
i2c_bus_adapter = i2c_get_adapter(HDMI_I2C_CHANNEL);
if (i2c_bus_adapter == NULL) {
pr_err("%s() failed to get i2c adapter\n", __func__);
goto done;
}
for (idx = 0; idx < ARRAY_SIZE(device_addresses); idx++) {
if (idx == 0) {
client = i2c_new_device(i2c_bus_adapter, &si_8348_i2c_boardinfo[idx]);
device_addresses[idx].client = client;
} else {
device_addresses[idx].client = i2c_new_dummy(i2c_bus_adapter,
device_addresses[idx].
dev_addr);
}
/* TODO: FD, TBC, device_addresses should be initialized with care... */
if (device_addresses[idx].client == NULL) {
pr_err("[ERROR] %s():%d failed !\n", __func__, __LINE__);
goto err_exit;
}
}
ret = i2c_add_driver(&si_8348_mhl_tx_i2c_driver);
if (ret < 0) {
pr_info("[ERROR] %s():%d failed !\n", __func__, __LINE__);
goto err_exit;
}
goto done;
err_exit:
/*
for (idx = 0; idx < ARRAY_SIZE(device_addresses); idx++) {
if (device_addresses[idx].client != NULL)
i2c_unregister_device(device_addresses[idx].client);
}
*/
done:
MHL_TX_DBG_INFO(dev_context, "returning %d\n", ret);
#endif
return ret;
}
