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added uda1380_reset()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7112 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-07-12 05:25:03 +00:00
parent 56fb177111
commit 3382abaf58
2 changed files with 12 additions and 9 deletions
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19
firmware/drivers/uda1380.c
View file

@ -164,17 +164,20 @@ void uda1380_enable_output(bool enable)
} }
} }
void uda1380_reset(void)
{
/* RESET signal */
or_l(1<<29, &GPIO_OUT);
or_l(1<<29, &GPIO_ENABLE);
or_l(1<<29, &GPIO_FUNCTION);
sleep(HZ/100);
and_l(~(1<<29), &GPIO_OUT);
}
/* Initialize UDA1380 codec with default register values (uda1380_defaults) */ /* Initialize UDA1380 codec with default register values (uda1380_defaults) */
int uda1380_init(void) int uda1380_init(void)
{ {
/* RESET signal */ uda1380_reset();
GPIO_OUT |= (1<<29);
GPIO_ENABLE |= (1<<29);
GPIO_FUNCTION |= (1<<29);
sleep(HZ/100);
GPIO_OUT &= ~(1<<29);
if (uda1380_set_regs() == -1) if (uda1380_set_regs() == -1)
return -1; return -1;

2
firmware/export/uda1380.h
View file

@ -19,7 +19,7 @@
#ifndef _UDA1380_H #ifndef _UDA1380_H
#define _UDA1380_H #define _UDA1380_H
extern void uda1380_reset(void);
extern int uda1380_init(void); extern int uda1380_init(void);
extern void uda1380_enable_output(bool enable); extern void uda1380_enable_output(bool enable);
extern int uda1380_set_master_vol(int vol_l, int vol_r); extern int uda1380_set_master_vol(int vol_l, int vol_r);