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fix hold-button handling for m200v4.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19314 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Wenger 2008-12-03 18:41:02 +00:00
parent 4317ff90a9
commit 0d0cc039f8
1 changed files with 4 additions and 2 deletions
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6
firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c
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@ -36,6 +36,8 @@ static inline void btn_delay(void) { int i = 5; while(i--) ; }
int button_read_device(void)
{
int result = BUTTON_NONE;
if(button_hold())
return result;
/* direct GPIO connections */
if (GPIOA_PIN(3))
@ -44,6 +46,7 @@ int button_read_device(void)
/* This is a keypad using A4-A6 as columns and A0-A2 as rows */
GPIOA_PIN(4) = (1<<4);
btn_delay();
/* A4A0 is unused */
if (GPIOA_PIN(1))
@ -78,8 +81,7 @@ int button_read_device(void)
if (GPIOA_PIN(1))
result |= BUTTON_VOLUP;
if (GPIOA_PIN(2))
result |= BUTTON_HOLD;
/* hold button is read in button_hold() */
GPIOA_PIN(6) = 0x00;