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[media] media: em28xx-dvb update fe exit flag to indicate device disconnect 

Change em28xx_dvb_fini() to set fe exit flag to DVB_FE_DEVICE_REMOVED
when device is disconnected. em28xx maintains device disconnect status
in em28xx device. fe drivers will be able to now check the fe exit
status to avoid accessing the device, from their release interfaces
when called from disconnect path. This change depends on dvb-core
change that exports fe exit flag by moving it from fepriv to fe.

Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Shuah Khan 2014-07-12 13:44:13 -03:00 committed by Mauro Carvalho Chehab
parent 18ed2860cb
commit f68e35af99
1 changed files with 6 additions and 2 deletions
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8
drivers/media/usb/em28xx/em28xx-dvb.c
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@ -1654,10 +1654,14 @@ static int em28xx_dvb_fini(struct em28xx *dev)
if (dev->disconnected) {
/* We cannot tell the device to sleep
* once it has been unplugged. */
if (dvb->fe[0])
if (dvb->fe[0]) {
prevent_sleep(&dvb->fe[0]->ops);
if (dvb->fe[1])
dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
}
if (dvb->fe[1]) {
prevent_sleep(&dvb->fe[1]->ops);
dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
}
}
/* remove I2C tuner */