22 Jun
2022
22 Jun
'22
10:52 a.m.
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:
- prevent BCLK from turning on by other component.
- 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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