diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2017-11-22 12:12:39 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-08 19:11:25 +0300 |
| commit | c8959a39fd47189a1474a4e92ffa34763589d6b0 (patch) | |
| tree | bcb5da7425de2bfb99c6ac1f34ed15eff7b79040 /include/media/cec.h | |
| parent | 15ae0be9c671e912a6749d821bc69ccfff766c19 (diff) | |
| download | linux-c8959a39fd47189a1474a4e92ffa34763589d6b0.tar.xz | |
media: cec: disable the hardware when unregistered
When the device is being unregistered disable the hardware, don't wait
until cec_delete_adapter is called as the hardware may have disappeared by
then. This would be the case for hotplugable devices.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Bård Eirik Winther <bwinther@cisco.com>
Tested-by: Bård Eirik Winther <bwinther@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'include/media/cec.h')
| -rw-r--r-- | include/media/cec.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/media/cec.h b/include/media/cec.h index dd781e928b72..1c6a797cb6d4 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -230,6 +230,18 @@ static inline bool cec_is_sink(const struct cec_adapter *adap) return adap->phys_addr == 0; } +/** + * cec_is_registered() - is the CEC adapter registered? + * + * @adap: the CEC adapter, may be NULL. + * + * Return: true if the adapter is registered, false otherwise. + */ +static inline bool cec_is_registered(const struct cec_adapter *adap) +{ + return adap && adap->devnode.registered; +} + #define cec_phys_addr_exp(pa) \ ((pa) >> 12), ((pa) >> 8) & 0xf, ((pa) >> 4) & 0xf, (pa) & 0xf |