[PATCH 0/9] various mainly pcf50633 resume improvements
Michael 'Mickey' Lauer
mickey at openmoko.org
Sat Jun 14 13:36:18 CEST 2008
Am Samstag 14 Juni 2008 13:01:40 schrieb Andy Green:
> Somebody in the thread at some point said:
> |> I didn't like the need to hold LCM in reset during suspend so I
> |> changed it to leave LCM powered in deep sleep mode.
> | Does this have any negative impact on power consumption during suspend?
> According to p129 of the jbt6k74 Toshiba data that came during the
> flicker hunt, no:
> ''Operating current (7) IDSTBY (Note 21) min −1, typ 0.5, max 1 unit: μA
> Note 21: VDDIO = 3.0 V, AVDD = 0 V, no load, deep standby mode, and Ta =
> 25 °C''
Excellent. One more while we're talking display: Can you double check whether
we really put the display into deep sleep when we
echo "1" >/sys/class/backlight/pcf50633-bl/bl_power
Some people reported that this would not completely power off the display.
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