linux-kernel - Re: [PATCH RESEND] soundwire: amd: clear wake enable register for

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Message-ID: <Z2j+VQ4BPjr3HXsX@vaman>
Date: Mon, 23 Dec 2024 11:38:21 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Vijendar Mukunda <Vijendar.Mukunda@....com>
Cc: yung-chuan.liao@...ux.intel.com, pierre-louis.bossart@...ux.dev,
	sanyog.r.kale@...el.com, Basavaraj.Hiregoudar@....com,
	Sunil-kumar.Dommati@....com, venkataprasad.potturu@....com,
	Mario.Limonciello@....com, linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH RESEND] soundwire: amd: clear wake enable register for

On 03-12-24, 14:40, Vijendar Mukunda wrote:

for...? Pls write the full subject

> As per design for power off mode, clear the wake enable register during
> resume sequence.
> 
> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
> ---
>  drivers/soundwire/amd_manager.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
> index 5a4bfaef65fb..96a3aa6da711 100644
> --- a/drivers/soundwire/amd_manager.c
> +++ b/drivers/soundwire/amd_manager.c
> @@ -1190,6 +1190,7 @@ static int __maybe_unused amd_resume_runtime(struct device *dev)
>  	if (amd_manager->power_mode_mask & AMD_SDW_CLK_STOP_MODE) {
>  		return amd_sdw_clock_stop_exit(amd_manager);
>  	} else if (amd_manager->power_mode_mask & AMD_SDW_POWER_OFF_MODE) {
> +		writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance));

no need for 0x for a zero value

>  		val = readl(amd_manager->mmio + ACP_SW_CLK_RESUME_CTRL);
>  		if (val) {
>  			val |= AMD_SDW_CLK_RESUME_REQ;
> -- 
> 2.34.1

-- 
~Vinod