From: Sameer Pujar <spujar@nvidia.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: <spujar@nvidia.com>, <perex@perex.cz>, <tiwai@suse.com>,
<thierry.reding@gmail.com>, <jonathanh@nvidia.com>,
<linux-tegra@vger.kernel.org>, <alsa-devel@alsa-project.org>,
<linux-kernel@vger.kernel.org>, <sharadg@nvidia.com>,
<mkumard@nvidia.com>, <viswanathl@nvidia.com>,
<rlokhande@nvidia.com>, <dramesh@nvidia.com>,
<atalambedu@nvidia.com>
Subject: Re: [PATCH 0/3] Tegra194 HW Fixes
Date: Mon, 4 May 2020 14:05:07 +0530 [thread overview]
Message-ID: <124d4a5c-e198-d8c0-5fb7-65d008852e32@nvidia.com> (raw)
In-Reply-To: <s5ho8r4f6hx.wl-tiwai@suse.de>
On 5/4/2020 1:59 PM, Takashi Iwai wrote:
> External email: Use caution opening links or attachments
>
>
> On Mon, 04 May 2020 10:16:13 +0200,
> Sameer Pujar wrote:
>> This series proposes SW workarounds for Tegra194 HDA HW bugs.
>> Following are the two issues seen:
>> 1. GCAP register does not reflect true capability.
>> The actual number of SDO lines is "4", where as it reflects "2".
>> 2. With 4 SDO line configuration playback fails for,
>> 44.1K/48K, 2-channel, 16-bps audio stream.
>>
>> After fixing [1], issue [2] is uncovered.
>> As per recommendation by Tegra HW team the workarounds are pushed.
>>
>> Testing done
>> ============
>> * Verify GCAP register after registering HDA sound card
>> * Verify audio playback for 44.1K/48K, 2-channel, 16-bps.
>>
>> Sameer Pujar (3):
>> ALSA: hda/tegra: correct number of SDO lines for Tegra194
>> ALSA: hda: add member to store ratio for stripe control
>> ALSA: hda/tegra: workaround playback failure on Tegra194
> Through a quick glance, all changes look good.
>
> Is the device already in market, i.e. it had hit users? If yes, I'm
> going to merge for 5.7, otherwise for 5.8.
Yes the device is in the market. But has not been reported by end users.
During internal resting this has been discovered. I am fine with merging
this to 5.8.
Thanks,
Sameer.
>
>
> thanks,
>
> Takashi
next prev parent reply other threads:[~2020-05-04 8:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 8:16 Sameer Pujar
2020-05-04 8:16 ` [PATCH 1/3] ALSA: hda/tegra: correct number of SDO lines for Tegra194 Sameer Pujar
2020-05-04 8:16 ` [PATCH 2/3] ALSA: hda: add member to store ratio for stripe control Sameer Pujar
2020-05-04 8:16 ` [PATCH 3/3] ALSA: hda/tegra: workaround playback failure on Tegra194 Sameer Pujar
2020-05-04 8:29 ` [PATCH 0/3] Tegra194 HW Fixes Takashi Iwai
2020-05-04 8:35 ` Sameer Pujar [this message]
2020-05-04 8:48 ` Sameer Pujar
2020-05-04 9:53 ` Takashi Iwai
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