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[media] siano: Configure board's mtu and xtal

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Backported from Doron Cohen's patch:
	http://patchwork.linuxtv.org/patch/7889/

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2013-03-08 20:48:42 -03:00
parent 347d8f1fa6
commit dfbf021c9e
1 changed files with 56 additions and 0 deletions
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56
drivers/media/common/siano/smscoreapi.c
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@ -824,6 +824,57 @@ static int smscore_init_ir(struct smscore_device_t *coredev)
return 0;
}
/**
* configures device features according to board configuration structure.
*
* @param coredev pointer to a coredev object returned by
* smscore_register_device
*
* @return 0 on success, <0 on error.
*/
int smscore_configure_board(struct smscore_device_t *coredev)
{
struct sms_board *board;
board = sms_get_board(coredev->board_id);
if (!board) {
sms_err("no board configuration exist.");
return -EINVAL;
}
if (board->mtu) {
struct SmsMsgData_ST MtuMsg;
sms_debug("set max transmit unit %d", board->mtu);
MtuMsg.xMsgHeader.msgSrcId = 0;
MtuMsg.xMsgHeader.msgDstId = HIF_TASK;
MtuMsg.xMsgHeader.msgFlags = 0;
MtuMsg.xMsgHeader.msgType = MSG_SMS_SET_MAX_TX_MSG_LEN_REQ;
MtuMsg.xMsgHeader.msgLength = sizeof(MtuMsg);
MtuMsg.msgData[0] = board->mtu;
smsendian_handle_tx_message((struct SmsMsgHdr_ST *)&MtuMsg);
coredev->sendrequest_handler(coredev->context, &MtuMsg,
sizeof(MtuMsg));
}
if (board->crystal) {
struct SmsMsgData_ST CrysMsg;
sms_debug("set crystal value %d", board->crystal);
SMS_INIT_MSG(&CrysMsg.xMsgHeader,
MSG_SMS_NEW_CRYSTAL_REQ,
sizeof(CrysMsg));
CrysMsg.msgData[0] = board->crystal;
smsendian_handle_tx_message((struct SmsMsgHdr_S *)&CrysMsg);
coredev->sendrequest_handler(coredev->context, &CrysMsg,
sizeof(CrysMsg));
}
return 0;
}
/**
* sets initial device mode and notifies client hotplugs that device is ready
*
@ -840,6 +891,11 @@ int smscore_start_device(struct smscore_device_t *coredev)
sms_info("set device mode faile , rc %d", rc);
return rc;
}
rc = smscore_configure_board(coredev);
if (rc < 0) {
sms_info("configure board failed , rc %d", rc);
return rc;
}
kmutex_lock(&g_smscore_deviceslock);