len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-12-08 20:55:17 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Revert "As3525 v1/v2 Add power savings menu"

Browse source 
This reverts commit 6f0320a953.

Change-Id: I7425d422a4a0af7a49e9194cfe0bb55d431bc401
This commit is contained in:
William Wilgus 2018-07-28 17:35:01 +02:00
parent 16f10e2abd
commit d8bd356e56
23 changed files with 52 additions and 537 deletions
Download patch file Download diff file Expand all files Collapse all files

31
firmware/target/arm/as3525/ascodec-as3525.c
View file

@ -623,25 +623,11 @@ void i2c_init(void)
/* required function but called too late for our needs */
}
static void i2c_set_prescaler(unsigned int prescaler)
{
int oldlevel = disable_interrupt_save(IRQ_FIQ_STATUS);
/* must be on to write regs */
bool i2c_enabled = bitset32(&CGU_PERI, CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE) &
CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE;
I2C2_CPSR0 = prescaler & 0xFF; /* 8 lsb */
I2C2_CPSR1 = (prescaler >> 8) & 0x3; /* 2 msb */
if (!i2c_enabled) /* put it back how we found it */
bitclr32(&CGU_PERI, CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE);
restore_irq(oldlevel);
}
/* initialises the internal i2c bus and prepares for transfers to the codec */
void ascodec_init(void)
{
int prescaler;
ll_init(&req_list);
mutex_init(&as_mtx);
ascodec_async_init(&as_audio_req, ascodec_int_audio_cb, 0);
@ -651,7 +637,9 @@ void ascodec_init(void)
bitset32(&CGU_PERI, CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE);
/* prescaler for i2c clock */
i2c_set_prescaler(AS3525_I2C_PRESCALER);
prescaler = AS3525_I2C_PRESCALER;
I2C2_CPSR0 = prescaler & 0xFF; /* 8 lsb */
I2C2_CPSR1 = (prescaler >> 8) & 0x3; /* 2 msb */
/* set i2c slave address of codec part */
I2C2_SLAD0 = AS3514_I2C_ADDR << 1;
@ -702,12 +690,3 @@ void ams_i2c_get_debug_cpsr(unsigned int *i2c_cpsr)
restore_irq(oldlevel);
}
#if defined(CONFIG_POWER_SAVING) && (CONFIG_POWER_SAVING & POWERSV_I2C)
/* declared in system-as3525.c */
void ams_i2c_set_low_speed(bool slow)
{
i2c_set_prescaler(slow ? AS3525_I2C_PRESCALER_MAX : AS3525_I2C_PRESCALER);
}
#endif