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The chip requires a successful sleep entry to change the PLL sequence. By default, the IT8XXX2 chip enables the I2C0 alternate function, which can cause the clock/data lines to meet the start condition, preventing EC from entering sleep mode. This commit disables the I2C0 alternate function before executing the PLL sequence change to ensure that the EC can enter sleep mode successfully. Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>pull/87652/head
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