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-rw-r--r--drivers/media/cec/cec-adap.c52
-rw-r--r--drivers/media/cec/cec-api.c20
-rw-r--r--drivers/media/cec/cec-core.c5
-rw-r--r--drivers/media/cec/cec-notifier.c5
-rw-r--r--drivers/media/cec/cec-pin.c10
5 files changed, 69 insertions, 23 deletions
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 5ef7daeb8cbd..6c95dc471d4c 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -319,6 +319,8 @@ static void cec_post_state_event(struct cec_adapter *adap)
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(adap, &ev);
}
@@ -378,7 +380,8 @@ static void cec_data_cancel(struct cec_data *data, u8 tx_status)
} else {
list_del_init(&data->list);
if (!(data->msg.tx_status & CEC_TX_STATUS_OK))
- data->adap->transmit_queue_sz--;
+ if (!WARN_ON(!data->adap->transmit_queue_sz))
+ data->adap->transmit_queue_sz--;
}
if (data->msg.tx_status & CEC_TX_STATUS_OK) {
@@ -430,6 +433,14 @@ static void cec_flush(struct cec_adapter *adap)
* need to do anything special in that case.
*/
}
+ /*
+ * If something went wrong and this counter isn't what it should
+ * be, then this will reset it back to 0. Warn if it is not 0,
+ * since it indicates a bug, either in this framework or in a
+ * CEC driver.
+ */
+ if (WARN_ON(adap->transmit_queue_sz))
+ adap->transmit_queue_sz = 0;
}
/*
@@ -454,7 +465,7 @@ int cec_thread_func(void *_adap)
bool timeout = false;
u8 attempts;
- if (adap->transmitting) {
+ if (adap->transmit_in_progress) {
int err;
/*
@@ -489,7 +500,7 @@ int cec_thread_func(void *_adap)
goto unlock;
}
- if (adap->transmitting && timeout) {
+ if (adap->transmit_in_progress && timeout) {
/*
* If we timeout, then log that. Normally this does
* not happen and it is an indication of a faulty CEC
@@ -498,14 +509,18 @@ int cec_thread_func(void *_adap)
* so much traffic on the bus that the adapter was
* unable to transmit for CEC_XFER_TIMEOUT_MS (2.1s).
*/
- pr_warn("cec-%s: message %*ph timed out\n", adap->name,
- adap->transmitting->msg.len,
- adap->transmitting->msg.msg);
+ if (adap->transmitting) {
+ pr_warn("cec-%s: message %*ph timed out\n", adap->name,
+ adap->transmitting->msg.len,
+ adap->transmitting->msg.msg);
+ /* Just give up on this. */
+ cec_data_cancel(adap->transmitting,
+ CEC_TX_STATUS_TIMEOUT);
+ } else {
+ pr_warn("cec-%s: transmit timed out\n", adap->name);
+ }
adap->transmit_in_progress = false;
adap->tx_timeouts++;
- /* Just give up on this. */
- cec_data_cancel(adap->transmitting,
- CEC_TX_STATUS_TIMEOUT);
goto unlock;
}
@@ -520,7 +535,8 @@ int cec_thread_func(void *_adap)
data = list_first_entry(&adap->transmit_queue,
struct cec_data, list);
list_del_init(&data->list);
- adap->transmit_queue_sz--;
+ if (!WARN_ON(!data->adap->transmit_queue_sz))
+ adap->transmit_queue_sz--;
/* Make this the current transmitting message */
adap->transmitting = data;
@@ -1083,11 +1099,11 @@ void cec_received_msg_ts(struct cec_adapter *adap,
valid_la = false;
else if (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED))
valid_la = false;
- else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST1_4))
+ else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST))
valid_la = false;
else if (cec_msg_is_broadcast(msg) &&
- adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0 &&
- !(dir_fl & BCAST2_0))
+ adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0 &&
+ !(dir_fl & BCAST1_4))
valid_la = false;
}
if (valid_la && min_len) {
@@ -1976,7 +1992,7 @@ static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
* Play function, this message can have variable length
* depending on the specific play function that is used.
*/
- case 0x60:
+ case CEC_OP_UI_CMD_PLAY_FUNCTION:
if (msg->len == 2)
rc_keydown(adap->rc, RC_PROTO_CEC,
msg->msg[2], 0);
@@ -1993,8 +2009,12 @@ static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
* For the time being these messages are not processed by the
* framework and are simply forwarded to the user space.
*/
- case 0x56: case 0x57:
- case 0x67: case 0x68: case 0x69: case 0x6a:
+ case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE:
+ case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION:
+ case CEC_OP_UI_CMD_TUNE_FUNCTION:
+ case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION:
+ case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION:
+ case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION:
break;
default:
rc_keydown(adap->rc, RC_PROTO_CEC, msg->msg[2], 0);
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) {
diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c
index 9c610e1e99b8..db7adffcdc76 100644
--- a/drivers/media/cec/cec-core.c
+++ b/drivers/media/cec/cec-core.c
@@ -257,11 +257,6 @@ struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops,
struct cec_adapter *adap;
int res;
- /*
- * Disable this capability until the connector info public API
- * is ready.
- */
- caps &= ~CEC_CAP_CONNECTOR_INFO;
#ifndef CONFIG_MEDIA_CEC_RC
caps &= ~CEC_CAP_RC;
#endif
diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c
index 4d82a5522072..7cf42b133dbc 100644
--- a/drivers/media/cec/cec-notifier.c
+++ b/drivers/media/cec/cec-notifier.c
@@ -153,13 +153,14 @@ cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
}
EXPORT_SYMBOL_GPL(cec_notifier_cec_adap_register);
-void cec_notifier_cec_adap_unregister(struct cec_notifier *n)
+void cec_notifier_cec_adap_unregister(struct cec_notifier *n,
+ struct cec_adapter *adap)
{
if (!n)
return;
mutex_lock(&n->lock);
- n->cec_adap->notifier = NULL;
+ adap->notifier = NULL;
n->cec_adap = NULL;
n->callback = NULL;
mutex_unlock(&n->lock);
diff --git a/drivers/media/cec/cec-pin.c b/drivers/media/cec/cec-pin.c
index 8f987bc0dd88..660fe111f540 100644
--- a/drivers/media/cec/cec-pin.c
+++ b/drivers/media/cec/cec-pin.c
@@ -1279,6 +1279,15 @@ static void cec_pin_adap_free(struct cec_adapter *adap)
kfree(pin);
}
+static int cec_pin_received(struct cec_adapter *adap, struct cec_msg *msg)
+{
+ struct cec_pin *pin = adap->pin;
+
+ if (pin->ops->received)
+ return pin->ops->received(adap, msg);
+ return -ENOMSG;
+}
+
void cec_pin_changed(struct cec_adapter *adap, bool value)
{
struct cec_pin *pin = adap->pin;
@@ -1301,6 +1310,7 @@ static const struct cec_adap_ops cec_pin_adap_ops = {
.error_inj_parse_line = cec_pin_error_inj_parse_line,
.error_inj_show = cec_pin_error_inj_show,
#endif
+ .received = cec_pin_received,
};
struct cec_adapter *cec_pin_allocate_adapter(const struct cec_pin_ops *pin_ops,
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