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Subject: [media] cec: set unclaimed addresses to CEC_LOG_ADDR_INVALID
Author: Hans Verkuil <hans.verk...@cisco.com>
Date: Sun Aug 14 08:27:09 2016 -0300
Up to 4 logical addresses can be claimed. Make sure that any
unclaimed logical addresses are set to CEC_LOG_ADDR_INVALID as
per the documentation.
Take special care in the unregistered case: when falling back to
unregistered num_log_addrs may be > 1, so mark those as invalid.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
drivers/staging/media/cec/cec-adap.c | 4 ++++
1 file changed, 4 insertions(+)
---
diff --git a/drivers/staging/media/cec/cec-adap.c
b/drivers/staging/media/cec/cec-adap.c
index 2458a6c87642..6cc7d7904446 100644
--- a/drivers/staging/media/cec/cec-adap.c
+++ b/drivers/staging/media/cec/cec-adap.c
@@ -1056,6 +1056,8 @@ configured:
/* Fall back to unregistered */
las->log_addr[0] = CEC_LOG_ADDR_UNREGISTERED;
las->log_addr_mask = 1 << las->log_addr[0];
+ for (i = 1; i < las->num_log_addrs; i++)
+ las->log_addr[i] = CEC_LOG_ADDR_INVALID;
}
adap->is_configured = true;
adap->is_configuring = false;
@@ -1074,6 +1076,8 @@ configured:
cec_report_features(adap, i);
cec_report_phys_addr(adap, i);
}
+ for (i = las->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++)
+ las->log_addr[i] = CEC_LOG_ADDR_INVALID;
mutex_lock(&adap->lock);
adap->kthread_config = NULL;
mutex_unlock(&adap->lock);
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