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Subject: Re: [PATCH v8 5/7] ASoC: qcom: Add support for lpass hdmi driver
To:     Srinivasa Rao Mandadapu <srivasam@codeaurora.org>,
        agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com,
        broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org,
        bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com,
        rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org,
        alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     V Sujith Kumar Reddy <vsujithk@codeaurora.org>
References: <1601447977-18115-1-git-send-email-srivasam@codeaurora.org>
 <1601447977-18115-6-git-send-email-srivasam@codeaurora.org>
From:   Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Message-ID: <c94cf74d-03f6-999e-012f-5d9ef2316d61@linaro.org>
Date:   Wed, 30 Sep 2020 16:27:10 +0100
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On 30/09/2020 07:39, Srinivasa Rao Mandadapu wrote:
> +}
> +
> +static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg)
> +{
> +	return true;
> +}

I did ask this question in multiple reviews, but never got an answer!
Are all the dp/hdmi port register range really volatile!?


--srini
> +
> +struct regmap_config lpass_hdmi_regmap_config = {
> +	.reg_bits = 32,
> +	.reg_stride = 4,
> +	.val_bits = 32,
> +	.writeable_reg = lpass_hdmi_regmap_writeable,
> +	.readable_reg = lpass_hdmi_regmap_readable,
> +	.volatile_reg = lpass_hdmi_regmap_volatile,