linux-kernel - Re: [PATCH 3/3] ASoC: hdac_hdmi : Ensuring proper setting of output widget power state

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Date:   Thu, 15 Feb 2018 14:00:21 +0530
From:   "Kumar, Abhijeet" <abhijeet.kumar@...el.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Takashi Sakamoto <o-takashi@...amocchi.jp>,
        Wang YanQing <udknight@...il.com>,
        Bhumika Goyal <bhumirks@...il.com>,
        Jeeja KP <jeeja.kp@...el.com>,
        Vinod Koul <vinod.koul@...el.com>,
        "Subhransu S. Prusty" <subhransu.s.prusty@...el.com>,
        Guneshwor Singh <guneshwor.o.singh@...el.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] ASoC: hdac_hdmi : Ensuring proper setting of output
 widget power state



On 2/14/2018 9:50 PM, Mark Brown wrote:
> On Tue, Jan 23, 2018 at 11:00:53PM +0530, abhijeet.kumar@...el.com wrote:
>> From: Abhijeet Kumar <abhijeet.kumar@...el.com>
>>
>> In usecases like hot plug-unplug DP panel or modeset during a playback,
>> sometimes we observe no audio after codec resets. During no audio
>> condition, we have noticed that the power state of the pin or the
>> connector is D3. Optimizing the way we set the power mitigates the
>> issue. With this changes the verb is sent to set the power state and
>> waits until actual state reaches target state. Thus ensuring power state
>> is set.
> This doesn't apply after the recent refactoring to move to components -
> can you please rebase on current code and resend?  I pulled Takashi's
> branch already, it's just this patch needs handling.

Please find the re-based patch here.
https://patchwork.kernel.org/patch/10220549/

Warm Regards,
Abhijeet