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AMSv2: additional delay for voltage scaling

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We need additional delay since ascodec_write_pmu() working faster in
non-interrupts version of I2C2.

Change-Id: If4af3e42b3c8e8214baa36e54353b8adb527552d
This commit is contained in:
Mihail Zenkov 2016-02-20 04:14:52 +00:00 • committed by Gerrit Rockbox
parent 77a35363c5
commit 775b21ebc4
1 changed files with 7 additions and 4 deletions
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11
firmware/target/arm/as3525/system-as3525.c
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@ -460,9 +460,12 @@ void set_cpu_frequency(long frequency)
{ {
if(frequency == CPUFREQ_MAX) if(frequency == CPUFREQ_MAX)
{ {
#if 0
/* Set CVDD1 power supply */ /* Set CVDD1 power supply */
/*ascodec_write_pmu(0x17, 1, 0x80 | 47);*/ ascodec_write_pmu(0x17, 1, 0x80 | 47);
/* dely for voltage rising */
udelay(50);
#endif
CGU_PROC = ((AS3525_FCLK_POSTDIV << 4) | CGU_PROC = ((AS3525_FCLK_POSTDIV << 4) |
(AS3525_FCLK_PREDIV << 2) | (AS3525_FCLK_PREDIV << 2) |
AS3525_FCLK_SEL); AS3525_FCLK_SEL);
@ -478,13 +481,13 @@ void set_cpu_frequency(long frequency)
cpu_frequency = CPUFREQ_NORMAL; cpu_frequency = CPUFREQ_NORMAL;
/* Set CVDD1 power supply */ /* Set CVDD1 power supply */
/* #if 0
#ifdef SANSA_CLIPZIP #ifdef SANSA_CLIPZIP
ascodec_write_pmu(0x17, 1, 0x80 | 19); ascodec_write_pmu(0x17, 1, 0x80 | 19);
#else #else
ascodec_write_pmu(0x17, 1, 0x80 | 22); ascodec_write_pmu(0x17, 1, 0x80 | 22);
#endif #endif
*/ #endif
} }
} }
#endif #endif