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path: root/drivers/media/cec/cec-api.c
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Diffstat (limited to 'drivers/media/cec/cec-api.c')
-rw-r--r--drivers/media/cec/cec-api.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/media/cec/cec-api.c b/drivers/media/cec/cec-api.c
index 12d676484472..17d1cb2e5f97 100644
--- a/drivers/media/cec/cec-api.c
+++ b/drivers/media/cec/cec-api.c
@@ -187,6 +187,21 @@ static long cec_adap_s_log_addrs(struct cec_adapter *adap, struct cec_fh *fh,
return 0;
}
+static long cec_adap_g_connector_info(struct cec_adapter *adap,
+ struct cec_log_addrs __user *parg)
+{
+ int ret = 0;
+
+ if (!(adap->capabilities & CEC_CAP_CONNECTOR_INFO))
+ return -ENOTTY;
+
+ mutex_lock(&adap->lock);
+ if (copy_to_user(parg, &adap->conn_info, sizeof(adap->conn_info)))
+ ret = -EFAULT;
+ mutex_unlock(&adap->lock);
+ return ret;
+}
+
static long cec_transmit(struct cec_adapter *adap, struct cec_fh *fh,
bool block, struct cec_msg __user *parg)
{
@@ -506,6 +521,9 @@ static long cec_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case CEC_ADAP_S_LOG_ADDRS:
return cec_adap_s_log_addrs(adap, fh, block, parg);
+ case CEC_ADAP_G_CONNECTOR_INFO:
+ return cec_adap_g_connector_info(adap, parg);
+
case CEC_TRANSMIT:
return cec_transmit(adap, fh, block, parg);
@@ -578,6 +596,8 @@ static int cec_open(struct inode *inode, struct file *filp)
/* Queue up initial state events */
ev.state_change.phys_addr = adap->phys_addr;
ev.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;
+ ev.state_change.have_conn_info =
+ adap->conn_info.type != CEC_CONNECTOR_TYPE_NO_CONNECTOR;
cec_queue_event_fh(fh, &ev, 0);
#ifdef CONFIG_CEC_PIN
if (adap->pin && adap->pin->ops->read_hpd) {