From c8959a39fd47189a1474a4e92ffa34763589d6b0 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 22 Nov 2017 04:12:39 -0500 Subject: media: cec: disable the hardware when unregistered MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reported-by: Bård Eirik Winther Tested-by: Bård Eirik Winther Signed-off-by: Mauro Carvalho Chehab --- include/media/cec.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/media/cec.h') 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 -- cgit v1.2.3