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    • Siarhei Siamashka's avatar
      sunxi: axp221: Add ELDO[1-3] support · 6906df1a
      Siarhei Siamashka authored
      And also add Kconfig option for selecting ELDO3 voltage. The reason
      for having this option is that the Android kernel sets ELDO3 to
      1.2V when powering up LCD in the case if 'lcd_if' configuration
      variable is set to 6 (LCD_IF_EXT_DSI) in the FEX file. Most likely
      to supply power for a SSD2828 chip.
      
      However on the MSI Primo81 tablet, which is using this particular
      'lcd_if = 6' setup for LCD, setting the ELDO3 voltage appears to
      be unnecessary and it works regardless. Having no schematics of
      this tablet, I can only guess that 1.2V is supplied to SSD2828
      in some other way.
      Signed-off-by: default avatarSiarhei Siamashka <siarhei.siamashka@gmail.com>
      Acked-by: default avatarHans de Goede <hdegoede@redhat.com>
      Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
      6906df1a
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