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Date: Tue, 26 Mar 2024 10:51:18 +0530
From: Sameer Pujar <spujar@...dia.com>
To: Thierry Reding <thierry.reding@...il.com>, broonie@...nel.org,
 linux-sound@...r.kernel.org
Cc: linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
 lgirdwood@...il.com, jonathanh@...dia.com, mkumard@...dia.com,
 stable@...r.kernel.org
Subject: Re: [PATCH] ASoC: tegra: Fix DSPK 16-bit playback



On 25-03-2024 19:11, Thierry Reding wrote:
> On Mon Mar 25, 2024 at 11:49 AM CET, Sameer Pujar wrote:
>> DSPK configuration is wrong for 16-bit playback and this happens because
>> the client config is always fixed at 24-bit in hw_params(). Fix this by
>> updating the client config to 16-bit for the respective playback.
>>
>> Fixes: 327ef6470266 ("ASoC: tegra: Add Tegra186 based DSPK driver")
>> Cc: stable@...r.kernel.org
>> Signed-off-by: Sameer Pujar <spujar@...dia.com>
>> ---
>>   sound/soc/tegra/tegra186_dspk.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/sound/soc/tegra/tegra186_dspk.c b/sound/soc/tegra/tegra186_dspk.c
>> index aa37c4ab0adb..3a152e76122b 100644
>> --- a/sound/soc/tegra/tegra186_dspk.c
>> +++ b/sound/soc/tegra/tegra186_dspk.c
>> @@ -1,8 +1,7 @@
>>   // SPDX-License-Identifier: GPL-2.0-only
>> +// SPDX-FileCopyrightText: Copyright (c) 2020-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
>>   //
>>   // tegra186_dspk.c - Tegra186 DSPK driver
>> -//
>> -// Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
>>   
>>   #include <linux/clk.h>
>>   #include <linux/device.h>
>> @@ -246,6 +245,7 @@ static int tegra186_dspk_hw_params(struct snd_pcm_substream *substream,
>>   	switch (params_format(params)) {
>>   	case SNDRV_PCM_FORMAT_S16_LE:
>>   		cif_conf.audio_bits = TEGRA_ACIF_BITS_16;
>> +		cif_conf.client_bits = TEGRA_ACIF_BITS_16;
> Do we perhaps want to move the common cif_conf.client_bits assignment
> into the S32_LE case now? It doesn't make much sense to have a common
> assignment that's overridden for the S16_LE case and only kept for the
> only other alternative (S32_LE).

Yes, it makes sense to do so. Will send v2. Thanks.

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