From: tmk <hasu@tmk-kbd.com>
Date: Thu, 23 Jul 2015 02:57:15 +0000 (+0900)
Subject: hhkb: Add power saving code of matrix scan for JP
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=d4220ac9f36209ba7e641f35181b41f84b9c98da;p=qmk_firmware.git

hhkb: Add power saving code of matrix scan for JP
---

diff --git a/keyboard/hhkb/hhkb_avr.h b/keyboard/hhkb/hhkb_avr.h
index 7ea6322c7..c3e176fa0 100644
--- a/keyboard/hhkb/hhkb_avr.h
+++ b/keyboard/hhkb/hhkb_avr.h
@@ -45,12 +45,20 @@ static inline void KEY_PREV_OFF(void) { (PORTB &= ~(1<<7)); }
 static inline void KEY_POWER_ON(void) {
     DDRB = 0xFF; PORTB = 0x40;          // change pins output
     DDRD |= (1<<4); PORTD |= (1<<4);    // MOS FET switch on
+#ifdef HHKB_JP
+    DDRC  |= (1<<6|1<<7);
+    PORTC |= (1<<6|1<<7);
+#endif
     /* Without this wait you will miss or get false key events. */
     _delay_ms(5);                       // wait for powering up
 }
 static inline void KEY_POWER_OFF(void) {
     /* input with pull-up consumes less than without it when pin is open. */
     DDRB = 0x00; PORTB = 0xFF;          // change pins input with pull-up
+#ifdef HHKB_JP
+    DDRC  &= ~(1<<6|1<<7);
+    PORTC |=  (1<<6|1<<7);
+#endif
     DDRD |= (1<<4); PORTD &= ~(1<<4);   // MOS FET switch off
 }
 static inline bool KEY_POWER_STATE(void) { return PORTD & (1<<4); }