[#4151] AD73322 sometimes has no sound output

Submitted By: Vivi Li

Open Date

2008-06-05 06:52:03 Close Date

2008-07-01 05:58:40

Priority:

Medium High Assignee:

Cliff Cai

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

N/A Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

08r1-rc8

App binary format:

N/A

Summary: AD73322 sometimes has no sound output

Details:

In trunk AD73322 sometimes has no sound output.

Attached is the kernel config file.

Linux version 2.6.24.7-ADI-2008R2-pre-svn4804 (test@linux-ad73322) (gcc version 4.1.2 (ADI svn)) #14 Thu Jun 5 15:37:35 GMT 8

Warning: limiting memory to 56MB due to hardware anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0011f8e0

rodata = 0x0011fa20-0x0017354c

bss = 0x00173560-0x00182844

data = 0x00182844-0x00196000

stack = 0x00194000-0x00196000

init = 0x00196000-0x0049c000

available = 0x0049c000-0x037ff000

DMA Zone = 0x03c00000-0x04000000

Hardware Trace Active and Enabled

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 100 MHz System Clock

NOMPU: setting up cplb tables for global access

Instruction Cache Enabled

Data Cache Enabled (write-through)

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14224

Kernel command line: root=/devmdblock0 rw earlypitk=seral,uart0,5700 ip=10.100.4.50:10.100.4.174:192.168.3.0:255.255.255.0:Bf

Configuring Blackfin Priority Driven Interrupts

PID hash table entries: 256 (order: 8, 1024 bytes)

console [ttyBF0] enabled

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 52040k/65536k RAM, (3096k init code, 1146k kernel code, 474k data, 4096k dma, 4684k reserved)

Blackfin Scratchpad data SRAM: 4 KB

Blackfin Data A SRAM: 16 KB (15 KB free)

Blackfin Data B SRAM: 16 KB (16 KB free)

Blackfin Instruction SRAM: 48 KB (41 KB free)

Security Framework initialized

Mount-cache hash table entries: 512

net_namespace: 64 bytes

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

stamp_init(): registering device resources

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=19)@sclk=100MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50 2006 UTC).

dma_alloc_init: dma_page @ 0x0316e000 - 1024 pages at 0x03c00000

ALSA device list:

#0: Analog Devices AD73322 at PF10 SPORT0 rx/tx dma 3/4 err irq 45

#1: Analog Devices AD73322 at PF14 SPORT1 rx/tx dma 5/6 err irq 46

TCP cubic registered

NET: Registered protocol family 1

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 1970-01-01 03:27:48 UTC (12468)

IP-Config: Gateway not on directly connected network.

Freeing unused kernel memory: 3096k freed

_____________________________________

a8888b. / Welcome to the uClinux distribution \

d888888b. / _ _ \

8P"YP"Y88 / | | |_| __ __ (TM) |

8|o||o|88 _____/ | | _ ____ _ _ \ \/ / |

8' .88 \ | | | | _ \| | | | \ / |

8`._.' Y8. \ | |__ | | | | | |_| | / \ |

d/ `8b. \ \____||_|_| |_|\____|/_/\_\ |

dP . Y8b. \ For embedded processors including |

d8:' " `::88b \ the Analog Devices Blackfin /

d8" 'Y88b \___________________________________/

:8P ' :888

8a. : _a88P For further information, check out:

._/"Yaa_: .| 88P| - blackfin.uclinux.org/

\ YP" `| 8P `. - docs.blackfin.uclinux.org/

/ \.___.d| .' - www.uclinux.org/

`--..__)8888P`._.' jgs/a:f - www.analog.com/blackfin

Have a lot of fun...

BusyBox v1.10.1 (2008-05-27 16:49:59 GMT) built-in shell (msh)

Enter 'help' for a list of built-in commands.

root:/> PHY: 0:01 - Link is Up - 100/Full

root:/>

root:/> tone

TONE: generating sine wave at 1000 Hz...

root:/>

Follow-ups

--- Vivi Li 2008-06-13 07:59:09

AD73322 also sometimes has no sound output in 08r1 branch.

--- Cliff Cai 2008-06-17 05:23:34

I think that has something to do with the "reset" route.

I've change the way of reset,and increase the time interval between

the LOW-to-HIGH process.Hope it works.

Cliff

--- Vivi Li 2008-07-01 05:58:40

Finally OK now.

Thanks, Cliff.

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