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mainboard/google/reef: update comment for DMIC config usage 

Going forward GPIO_17 is used to determine the configuration of
the board w.r.t. the number of DMICs on the board.

BUG=chrome-os-partner:56918

Change-Id: I03edb880e0649977030c1b87219ebebac631a519
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17163
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Aaron Durbin 2016-10-27 12:11:15 -05:00
parent 64606cea93
commit 558c8a57b9
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/google/reef/variants/baseboard/gpio.c
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@ -289,7 +289,7 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_GPI_APIC_HIGH(GPIO_14, DN_20K, DEEP), /* FP_INT */ PAD_CFG_GPI_APIC_HIGH(GPIO_14, DN_20K, DEEP), /* FP_INT */
PAD_CFG_GPI_SCI_LOW(GPIO_15, NONE, DEEP, EDGE_SINGLE), /* TRACKPAD_INT_1V8_ODL */ PAD_CFG_GPI_SCI_LOW(GPIO_15, NONE, DEEP, EDGE_SINGLE), /* TRACKPAD_INT_1V8_ODL */
PAD_CFG_GPI(GPIO_16, UP_20K, DEEP), /* unused */ PAD_CFG_GPI(GPIO_16, UP_20K, DEEP), /* unused */
PAD_CFG_GPI(GPIO_17, UP_20K, DEEP), /* unused */ PAD_CFG_GPI(GPIO_17, UP_20K, DEEP), /* 1 vs 4 DMIC config */
PAD_CFG_GPI_APIC_LOW(GPIO_18, NONE, DEEP), /* Trackpad IRQ */ PAD_CFG_GPI_APIC_LOW(GPIO_18, NONE, DEEP), /* Trackpad IRQ */
PAD_CFG_GPI(GPIO_19, UP_20K, DEEP), /* unused */ PAD_CFG_GPI(GPIO_19, UP_20K, DEEP), /* unused */
PAD_CFG_GPI_APIC_LOW(GPIO_20, UP_20K, DEEP), /* NFC IRQ */ PAD_CFG_GPI_APIC_LOW(GPIO_20, UP_20K, DEEP), /* NFC IRQ */