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media: cec: add core error injection support

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Add two new ops (error_inj_show and error_inj_parse_line) to support
error injection functionality for CEC adapters. If both are present,
then the core will add a new error-inj debugfs file that can be used
to see the current error injection commands and to set error injection
commands.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil
2017-10-31 09:55:09 -04:00
committed by Mauro Carvalho Chehab
parent f7b0fa6923
commit 9ca400c18f
2 changed files with 63 additions and 0 deletions
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5
include/media/cec.h
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@@ -117,6 +117,10 @@ struct cec_adap_ops {
void (*adap_status)(struct cec_adapter *adap, struct seq_file *file);
void (*adap_free)(struct cec_adapter *adap);
/* Error injection callbacks */
int (*error_inj_show)(struct cec_adapter *adap, struct seq_file *sf);
bool (*error_inj_parse_line)(struct cec_adapter *adap, char *line);
/* High-level CEC message callback */
int (*received)(struct cec_adapter *adap, struct cec_msg *msg);
};
@@ -189,6 +193,7 @@ struct cec_adapter {
struct dentry *cec_dir;
struct dentry *status_file;
struct dentry *error_inj_file;
u16 phys_addrs[15];
u32 sequence;