This patch optimizes initial values of the EGPIO chip driver. GSM and sound should be powered off during boot. A weak accumulator and a powered GSM sometimes cause a system reboot. A charging current should be as high as possible during boot.
Signed-off-by: Petr Cvek <[email protected]> --- arch/arm/mach-pxa/magician.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 2c487ae..bf0760e 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -263,9 +263,12 @@ static struct htc_egpio_chip egpio_chips[] = { .num_gpios = 24, .direction = HTC_EGPIO_OUTPUT, /* - * Depends on modules configuration + * NOTICE LCD valid power on sequence + * Disable GSM and sound + * Low accu can cause reboot, set 500mA charging + * OR 0x8000 for LCD backlight (debug printks) */ - .initial_values = 0x40, + .initial_values = 0x2020c0, }, [1] = { .reg_start = 4, -- 1.7.12.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
