static int mhl_rap_recv(struct mhl_tx_ctrl *mhl_ctrl, u8 action_code)
{
u8 error_code;
switch (action_code) {
case MHL_RAP_POLL:
case MHL_RAP_CONTENT_ON:
case MHL_RAP_CONTENT_OFF:
if (action_code == MHL_RAP_CONTENT_ON
|| mhl_ctrl->screen_mode) {
mhl_rap_action(mhl_ctrl, action_code);
error_code = MHL_RAPK_NO_ERROR;
} else
error_code = MHL_RAPK_UNSUPPORTED_ACTION_CODE;
break;
default:
error_code = MHL_RAPK_UNRECOGNIZED_ACTION_CODE;
break;
}
/* prior send rapk */
return mhl_msc_send_prior_msc_msg(
mhl_ctrl,
MHL_MSC_MSG_RAPK,
error_code);
}
static int mhl_rap_recv(struct mhl_tx_ctrl *mhl_ctrl, u8 action_code)
{
u8 error_code;
bool tmds_en;
tmds_en = mhl_check_tmds_enabled(mhl_ctrl);
switch (action_code) {
case MHL_RAP_POLL:
if (tmds_en)
error_code = MHL_RAPK_NO_ERROR;
else
error_code = MHL_RAPK_UNSUPPORTED_ACTION_CODE;
break;
case MHL_RAP_CONTENT_ON:
case MHL_RAP_CONTENT_OFF:
if (tmds_en) {
mhl_rap_action(mhl_ctrl, action_code);
error_code = MHL_RAPK_NO_ERROR;
} else {
error_code = MHL_RAPK_UNSUPPORTED_ACTION_CODE;
}
break;
default:
error_code = MHL_RAPK_UNRECOGNIZED_ACTION_CODE;
break;
}
/* prior send rapk */
return mhl_msc_send_prior_msc_msg(
mhl_ctrl,
MHL_MSC_MSG_RAPK,
error_code);
}
int mhl_rcp_recv(struct mhl_tx_ctrl *mhl_ctrl, u8 key_code)
{
u8 index = key_code & 0x7f;
u16 input_key_code;
if (!mhl_ctrl->rcp_key_code_tbl) {
pr_err("%s: RCP Key Code Table not initialized\n", __func__);
return -EINVAL;
}
input_key_code = mhl_ctrl->rcp_key_code_tbl[index];
if ((index < mhl_ctrl->rcp_key_code_tbl_len) &&
(input_key_code > 0)) {
/* prior send rcpk */
mhl_msc_send_prior_msc_msg(
mhl_ctrl,
MHL_MSC_MSG_RCPK,
key_code);
if (mhl_ctrl->input)
mhl_handle_input(mhl_ctrl, key_code, input_key_code);
} else {
/* prior send rcpe */
mhl_msc_send_prior_msc_msg(
mhl_ctrl,
MHL_MSC_MSG_RCPE,
MHL_RCPE_INEFFECTIVE_KEY_CODE);
/* send rcpk after rcpe send */
mhl_msc_send_prior_msc_msg(
mhl_ctrl,
MHL_MSC_MSG_RCPK,
key_code);
}
return 0;
}
