Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-02-12 Thread Takashi Iwai
On Wed, 12 Feb 2020 10:37:30 +0100, wrote: > > Hi Takashi > > Sorry to bother you again, during this period I do some experiment then issue > may be fixed by my local patch, but I am not sure, however may I have your > suggestion if you are available. > I put snd_hda_codec_read and

Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-01-09 Thread Lucien_Kao
Hi Takashi Is the attachment what you suspect? That merged to our kernel v4.19 already, have any suggestions? Thanks. -Original Message- From: Takashi Iwai Sent: Wednesday, January 8, 2020 2:57 AM To: Nathan Ciobanu Cc: Kao. Lucien (TPE) ; Cheng. AJ (TPE) ;

Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-01-07 Thread Takashi Iwai
On Wed, 08 Jan 2020 04:07:17 +0100, wrote: > > Hi Takashi > > Is the attachment what you suspect? That merged to our kernel v4.19 already, > have any suggestions? Thanks. Then I have no concrete idea. It might be some other changes in HDMI codec driver or it might be a fix in i915 graphics

Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-01-07 Thread Takashi Iwai
On Tue, 07 Jan 2020 18:24:57 +0100, Nathan Ciobanu wrote: > > On Mon, Jan 06, 2020 at 08:08:04AM +, lucien_...@compal.com wrote: > > Hi Takashi > > > > We verified on Ubuntu 19.10 with kernel 5.4.0.0-050400-generic (please > > refer to attachment), the result is positive which symptom

Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-01-07 Thread Nathan Ciobanu
On Mon, Jan 06, 2020 at 08:08:04AM +, lucien_...@compal.com wrote: > Hi Takashi > > We verified on Ubuntu 19.10 with kernel 5.4.0.0-050400-generic (please refer > to attachment), the result is positive which symptom doesn't happen anymore > once I played music or video sound output through

Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-01-06 Thread Lucien_Kao
Hi Takashi We verified on Ubuntu 19.10 with kernel 5.4.0.0-050400-generic (please refer to attachment), the result is positive which symptom doesn't happen anymore once I played music or video sound output through Dell S2718D Type-C monitor. It seems had some fix in latest kernel. Thanks.

Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor

2020-01-03 Thread Takashi Iwai
On Fri, 03 Jan 2020 02:57:03 +0100, wrote: > > Hi Sirs, > Here is chromebook SW team from Compal. > As the mail title, we hit issue that the external monitor will flash once > when play video after hot pluging. > We can reproduce not only on chromebook but also ubuntu 16.04. > There has