linux-kernel - Re: [PATCH v1 4/4] ASoC: rockchip: i2s: fixup clk div

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Message-ID: <20170613204851.devutejizfbroeao@sirena.org.uk>
Date:   Tue, 13 Jun 2017 21:48:51 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sugar Zhang <sugar.zhang@...k-chips.com>
Cc:     heiko@...ech.de, linux-rockchip@...ts.infradead.org,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 4/4] ASoC: rockchip: i2s: fixup clk div

On Fri, Jun 09, 2017 at 04:52:49PM +0800, Sugar Zhang wrote:
> we found mclk maybe not precise as required because of PLL,
> but it still can be used and no side effect. for example, if we
> require mclk 11289600, but get 11289598, it doesn't matter.
> so using DIV_ROUND_CLOSEST to fix it.

This is fine but seems to depend on patch 2.

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