linux-kernel - Re: [PATCH] ASoC: imx-audmux: Add driver suspend and resume to support MEGA Fast

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Message-ID: <VE1PR04MB64791EC6FADFB2655D8074D0E3AE0@VE1PR04MB6479.eurprd04.prod.outlook.com>
Date:   Sat, 17 Aug 2019 02:20:38 +0000
From:   "S.j. Wang" <shengjiu.wang@....com>
To:     Mark Brown <broonie@...nel.org>
CC:     "timur@...nel.org" <timur@...nel.org>,
        "nicoleotsuka@...il.com" <nicoleotsuka@...il.com>,
        "Xiubo.Lee@...il.com" <Xiubo.Lee@...il.com>,
        "festevam@...il.com" <festevam@...il.com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "perex@...ex.cz" <perex@...ex.cz>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        dl-linux-imx <linux-imx@....com>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ASoC: imx-audmux: Add driver suspend and resume to
 support MEGA Fast

Hi Mark

> 
> On Fri, Aug 16, 2019 at 01:03:14AM -0400, Shengjiu Wang wrote:
> 
> > +	for (i = 0; i < reg_max; i++)
> > +		regcache[i] = readl(audmux_base + i * 4);
> 
> If only there were some framework which provided a register cache!  😝

Yes, next step I can refine this driver to use the regmap.

Best regards
Wang shengjiu