linux-kernel - Re: [PATCH 02/14] ASoC: amd: acp: Implement acp_common_hw

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Message-ID: <f9436b0d-8cfa-4f37-9b0c-395c033f849e@linux.intel.com>
Date: Mon, 10 Mar 2025 12:25:16 +0100
From: Amadeusz Sławiński
 <amadeuszx.slawinski@...ux.intel.com>
To: Venkata Prasad Potturu <venkataprasad.potturu@....com>,
 broonie@...nel.org, alsa-devel@...a-project.org
Cc: Vijendar.Mukunda@....com, mario.limonciello@....com,
 Basavaraj.Hiregoudar@....com, Sunil-kumar.Dommati@....com,
 syed.sabakareem@....com, Liam Girdwood <lgirdwood@...il.com>,
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
 Jeff Johnson <quic_jjohnson@...cinc.com>,
 Peter Zijlstra <peterz@...radead.org>, Greg KH <gregkh@...uxfoundation.org>,
 "open list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..."
 <linux-sound@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/14] ASoC: amd: acp: Implement acp_common_hw_ops support
 for acp platforms

On 3/10/2025 11:45 AM, Venkata Prasad Potturu wrote:
> Implement acp common hardware ops for acp_init and acp_deinit
> funcions to support commons ops for all platforms.
> 
> Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@....com>
> ---
>   sound/soc/amd/acp/acp-legacy-common.c | 50 +++++++++++++++++++++++++++
>   sound/soc/amd/acp/acp-pci.c           | 13 ++++---
>   sound/soc/amd/acp/amd.h               | 36 +++++++++++++++++++
>   3 files changed, 95 insertions(+), 4 deletions(-)
> 

...

>   
> @@ -252,6 +274,20 @@ int restore_acp_i2s_params(struct snd_pcm_substream *substream,
>   
>   void check_acp_config(struct pci_dev *pci, struct acp_chip_info *chip);
>   
> +static inline int acp_hw_init(struct acp_chip_info *chip)
> +{
> +	if (chip && chip->acp_hw_ops && chip->acp_hw_ops->acp_init)
> +		return chip->acp_hw_ops->acp_init(chip);
> +	return -EOPNOTSUPP;
> +}
> +
> +static inline int acp_hw_deinit(struct acp_chip_info *chip)
> +{
> +	if (chip && chip->acp_hw_ops && chip->acp_hw_ops->acp_init)

Shouldn't it check for ->acp_deinit() instead?

> +		return chip->acp_hw_ops->acp_deinit(chip);
> +	return -EOPNOTSUPP;
> +}
> +
>   static inline u64 acp_get_byte_count(struct acp_dev_data *adata, int dai_id, int direction)
>   {
>   	u64 byte_count = 0, low = 0, high = 0;