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add MCI ioctl to be used through modX devices

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This commit is contained in:
rjkm 2022-02-12 16:39:01 +01:00
parent 6a3ef9873d
commit c2f86b6438
1 changed files with 21 additions and 0 deletions
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21
ddbridge/ddbridge-modulator.c
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@ -1848,6 +1848,27 @@ int ddbridge_mod_do_ioctl(struct file *file, unsigned int cmd, void *parg)
mod->pcr_correction = cp->pcr_correction;
break;
}
case IOCTL_DDB_MCI_CMD:
{
struct ddb_mci_msg *msg =
(struct ddb_mci_msg __user *) parg;
struct ddb_link *link;
if (dev->link[0].ids.revision != 1)
break;
if (msg->link > 3) {
ret = -EFAULT;
break;
}
link = &dev->link[msg->link];
if (!link->mci_ok) {
ret = -EFAULT;
break;
}
ret = ddb_mci_cmd_link(link, &msg->cmd, &msg->res);
break;
}
default:
ret = -EINVAL;
break;