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Message-ID: <s5hft3g93u4.wl-tiwai@suse.de>
Date: Mon, 04 Jan 2021 15:25:23 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Peter Geis <pgwipeout@...il.com>
Cc: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Peter De Schrijver <pdeschrijver@...dia.com>,
Prashant Gaikwad <pgaikwad@...dia.com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Sameer Pujar <spujar@...dia.com>,
Mohan Kumar <mkumard@...dia.com>, linux-clk@...r.kernel.org,
linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
alsa-devel@...a-project.org
Subject: Re: [PATCH 0/2] fix tegra-hda on tegra30 devices
On Fri, 25 Dec 2020 02:20:24 +0100,
Peter Geis wrote:
>
> The following patches fix tegra-hda on legacy tegra devices.
> Two issues were discovered preventing tegra-hda from functioning:
> The hda clocks on tegra30 were assigned to clk_m and running at too low of a rate to function.
> The tegra-hda encounters an input/output error when opening a stream.
>
> Since the only mainline device that used tegra-hda previously was the t124, it is unknown exactly when this was broken.
> Fortunately a recent patch was submitted that fixed the issue only on t194 devices.
> We can apply it universally to the tegra-hda device to resolve the issues across the board.
> Note that downstream devices used the spdif device instead of hda for hdmi audio.
> The spdif device lacks a driver on mainline.
>
> Peter Geis (2):
> clk: tegra30: Add hda clock default rates to clock driver
> ALSA: hda/tegra: fix tegra-hda on tegra30 soc
Can Nvidia people look at those?
thanks,
Takashi
>
> drivers/clk/tegra/clk-tegra30.c | 2 ++
> sound/pci/hda/hda_tegra.c | 3 +--
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> --
> 2.25.1
>
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