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Subject: media: vivid: call v4l2_event_wake_all() on disconnect Author: Hans Verkuil <[email protected]> Date: Tue Dec 1 13:44:44 2020 +0100 When the disconnect error injection control is set, then besides faking unregistering the device nodes, also call v4l2_event_wake_all() to ensure any userspace applications will wake up as per a 'normal' unregister. Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/test-drivers/vivid/vivid-ctrls.c | 38 ++++++++++++-------------- 1 file changed, 18 insertions(+), 20 deletions(-) --- diff --git a/drivers/media/test-drivers/vivid/vivid-ctrls.c b/drivers/media/test-drivers/vivid/vivid-ctrls.c index 11e3b5617f52..7957eadf3e2b 100644 --- a/drivers/media/test-drivers/vivid/vivid-ctrls.c +++ b/drivers/media/test-drivers/vivid/vivid-ctrls.c @@ -100,6 +100,14 @@ /* General User Controls */ +static void vivid_unregister_dev(bool valid, struct video_device *vdev) +{ + if (!valid) + return; + clear_bit(V4L2_FL_REGISTERED, &vdev->flags); + v4l2_event_wake_all(vdev); +} + static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) { struct vivid_dev *dev = container_of(ctrl->handler, struct vivid_dev, ctrl_hdl_user_gen); @@ -108,26 +116,16 @@ static int vivid_user_gen_s_ctrl(struct v4l2_ctrl *ctrl) case VIVID_CID_DISCONNECT: v4l2_info(&dev->v4l2_dev, "disconnect\n"); dev->disconnect_error = true; - if (dev->has_vid_cap) - clear_bit(V4L2_FL_REGISTERED, &dev->vid_cap_dev.flags); - if (dev->has_vid_out) - clear_bit(V4L2_FL_REGISTERED, &dev->vid_out_dev.flags); - if (dev->has_vbi_cap) - clear_bit(V4L2_FL_REGISTERED, &dev->vbi_cap_dev.flags); - if (dev->has_vbi_out) - clear_bit(V4L2_FL_REGISTERED, &dev->vbi_out_dev.flags); - if (dev->has_radio_rx) - clear_bit(V4L2_FL_REGISTERED, &dev->radio_rx_dev.flags); - if (dev->has_radio_tx) - clear_bit(V4L2_FL_REGISTERED, &dev->radio_tx_dev.flags); - if (dev->has_sdr_cap) - clear_bit(V4L2_FL_REGISTERED, &dev->sdr_cap_dev.flags); - if (dev->has_meta_cap) - clear_bit(V4L2_FL_REGISTERED, &dev->meta_cap_dev.flags); - if (dev->has_meta_out) - clear_bit(V4L2_FL_REGISTERED, &dev->meta_out_dev.flags); - if (dev->has_touch_cap) - clear_bit(V4L2_FL_REGISTERED, &dev->touch_cap_dev.flags); + vivid_unregister_dev(dev->has_vid_cap, &dev->vid_cap_dev); + vivid_unregister_dev(dev->has_vid_out, &dev->vid_out_dev); + vivid_unregister_dev(dev->has_vbi_cap, &dev->vbi_cap_dev); + vivid_unregister_dev(dev->has_vbi_out, &dev->vbi_out_dev); + vivid_unregister_dev(dev->has_radio_rx, &dev->radio_rx_dev); + vivid_unregister_dev(dev->has_radio_tx, &dev->radio_tx_dev); + vivid_unregister_dev(dev->has_sdr_cap, &dev->sdr_cap_dev); + vivid_unregister_dev(dev->has_meta_cap, &dev->meta_cap_dev); + vivid_unregister_dev(dev->has_meta_out, &dev->meta_out_dev); + vivid_unregister_dev(dev->has_touch_cap, &dev->touch_cap_dev); break; case VIVID_CID_BUTTON: dev->button_pressed = 30; _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
