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SubjectRe: [PATCH v4 1/3] ASoC: rockchip: i2s: switch BCLK to GPIO
On Wed, Jun 22, 2022 at 02:02:41AM +0800, Chen-Yu Tsai wrote:
> Hi,
>
> On Sun, Jun 19, 2022 at 5:54 PM Judy Hsiao <judyhsiao@chromium.org> wrote:
> >
> > We discoverd that the state of BCLK on, LRCLK off and SD_MODE on
> > may cause the speaker melting issue. Removing LRCLK while BCLK
> > is present can cause unexpected output behavior including a large
> > DC output voltage as described in the Max98357a datasheet.
> >
> > In order to:
> > 1. prevent BCLK from turning on by other component.
> > 2. keep BCLK and LRCLK being present at the same time
> >
> > This patch switches BCLK to GPIO func before LRCLK output, and

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