On 01/16/2012 11:11 PM, Simon Glass wrote:
> Add funcmux support for the default keyboard mapping.
>
> Signed-off-by: Simon Glass <s...@chromium.org>
> diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c
> b/arch/arm/cpu/armv7/tegra2/funcmux.c
> + case PERIPH_ID_KBC:
> + if (config == FUNCMUX_DEFAULT) {
> + enum pmux_pingrp grp[] = {PINGRP_KBCA, PINGRP_KBCB,
> + PINGRP_KBCC, PINGRP_KBCD, PINGRP_KBCE,
> + PINGRP_KBCF};
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(grp); i++) {
> + pinmux_tristate_disable(grp[i]);
> + pinmux_set_func(grp[i], PMUX_FUNC_KBC);
> + pinmux_set_pullupdown(grp[i], PMUX_PULL_UP);
Don't you only want to pull up the rows (or the columns) not both? I
guess it won't hurt to do both, but it's probably wasting power.
--
nvpublic
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