Messages in this thread | | | Date | Wed, 22 Jun 2022 11:52:22 +0100 | From | Mark Brown <> | Subject | Re: [PATCH v4 1/3] ASoC: rockchip: i2s: switch BCLK to GPIO |
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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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