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Sansa clip+: do not set GPIO B7 in the display driver, it's already used for FM radio I2C

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29668 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2011-04-02 08:24:14 +00:00
parent eab630a1e1
commit f608229f32
1 changed files with 11 additions and 4 deletions
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15
firmware/target/arm/as3525/sansa-clipplus/lcd-clip-plus.c
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@ -35,12 +35,17 @@ int lcd_hw_init(void)
SSP_CR1 = (1<<3) | (1<<1); /* SSP Operation enabled */
SSP_IMSC = 0; /* No interrupts */
GPIOA_DIR |= (1<<5);
GPIOB_DIR |= (1<<2) | (1<<7);
/* configure GPIO B2 (display D/C#) as output */
GPIOB_DIR |= (1<<2);
/* configure GPIO B3 (display type detect) as input */
GPIOB_DIR &= ~(1<<3);
GPIOB_PIN(7) = 0;
/* set GPIO A5 (display RESET# ?) */
GPIOA_DIR |= (1<<5);
GPIOA_PIN(5) = (1<<5);
/* detect display type on GPIO B3 */
return GPIOB_PIN(3) ? 1 : 0;
}
@ -49,15 +54,17 @@ void lcd_write_command(int byte)
while(SSP_SR & (1<<4)) /* BSY flag */
;
/* LCD command mode */
GPIOB_PIN(2) = 0;
SSP_DATA = byte;
while(SSP_SR & (1<<4)) /* BSY flag */
;
}
void lcd_write_data(const fb_data* p_bytes, int count)
{
/* LCD data mode */
GPIOB_PIN(2) = (1<<2);
while (count--)