sam4e8e: Use just a single 'chan' member in 'struct gpio_adc'

Remove the 'pin' and 'afec' variables from 'struct gpio_adc'.  This is
in preparation to merge the sam3x8e and sam4e8e code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/src/sam4e8e/gpio.h b/src/sam4e8e/gpio.h
index addd41b0..a32a59a7 100644
--- a/src/sam4e8e/gpio.h
+++ b/src/sam4e8e/gpio.h
@@ -26,8 +26,6 @@ void gpio_in_reset(struct gpio_in g, int8_t pull_up);
 uint8_t gpio_in_read(struct gpio_in g);
 
 struct gpio_adc {
-    uint8_t pin;
-    void *afec;
     uint32_t chan;
 };