HDMI输出到电视上，通过yocto界面的imx Player播放器来播放音频和视频文件，电视都没有声音输出，同时接在板子上面的TLV320AIC23声卡的耳机孔是有声音输出的。
uboot的参数设置为：bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk3p1 rootwait rw video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24。
下面是log info:
U-Boot > boot
mmc2(part 0) is current device
MMC read: dev # 2, block # 2048, count 16384 ... 16384 blocks read: OK
MMC read: dev # 2, block # 20480, count 2048 ... 2048 blocks read: OK
## Booting kernel from Legacy Image at 12000000 ...
Image Name: Linux-3.14.28+g91cf351
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 6097400 Bytes = 5.8 MiB
Load Address: 10008000
Entry Point: 10008000
Verifying Checksum ... OK
## Flattened Device Tree blob at 18000000
Booting using the fdt blob at 0x18000000
Loading Kernel Image ... OK
Using Device Tree in place at 18000000, end 1800d58b
Read SW1AB error!
Starting kernel ...
Booting Linux on physical CPU 0x0
Linux version 3.14.28+g91cf351 (harry@mh) (gcc version 4.9.1 (GCC) ) #11 SMP PREEMPT Fri Aug 7 15:14:39 CST 2015
CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine model: Freescale i.MX6 Quad SABRE Smart Device Board
cma: CMA: reserved 320 MiB at 3c000000
Memory policy: Data cache writealloc
PERCPU: Embedded 8 pages/cpu @ab723000 s8896 r8192 d15680 u32768
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260096
Kernel command line: console=ttymxc0,115200 root=/dev/mmcblk3p1 rootwait rw video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 696160K/1048576K available (7395K kernel code, 398K rwdata, 6252K rodata, 336K init, 429K bss, 352416K reserved, 0K highmem)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
vmalloc : 0xc0800000 - 0xff000000 (1000 MB)
lowmem : 0x80000000 - 0xc0000000 (1024 MB)
pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)
modules : 0x7f000000 - 0x7fe00000 ( 14 MB)
.text : 0x80008000 - 0x80d5c1cc (13649 kB)
.init : 0x80d5d000 - 0x80db12c0 ( 337 kB)
.data : 0x80db2000 - 0x80e15aa0 ( 399 kB)
.bss : 0x80e15aac - 0x80e8129c ( 430 kB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
Preemptible hierarchical RCU implementation.
NR_IRQS:16 nr_irqs:16 16
L310 cache controller enabled
l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x32070000, Cache size: 1024 kB
Switching to timer-based delay loop
sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655765682ns
Console: colour dummy device 80x30
Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x10709bc0 - 0x10709c18
CPU1: Booted secondary processor
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
CPU2: Booted secondary processor
CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
CPU3: Booted secondary processor
CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
Brought up 4 CPUs
SMP: Total of 4 processors activated.
CPU: All CPU(s) started in SVC mode.
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
pinctrl core: initialized pinctrl subsystem
regulator-dummy: no parameters
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
CPU identified as i.MX6Q, silicon rev 1.2
Use WDOG2 as reset source
syscon 20c8000.anatop: regmap [mem 0x020c8000-0x020c8fff] registered
vdd1p1: 800 <--> 1375 mV at 1100 mV
vdd3p0: 2800 <--> 3150 mV at 3000 mV
vdd2p5: 2000 <--> 2750 mV at 2400 mV
vddarm: 725 <--> 1450 mV at 975 mV
vddpu: 725 <--> 1450 mV
vddsoc: 725 <--> 1450 mV at 1175 mV
syscon 20e0000.iomuxc-gpr: regmap [mem 0x020e0000-0x020e0037] registered
syscon 21bc000.ocotp-ctrl: regmap [mem 0x021bc000-0x021bffff] registered
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
bio: create slab <bio-0> at 0
mxs-dma 110000.dma-apbh: initialized
usb_otg_vbus: 5000 mV
usb_h1_vbus: 5000 mV
tlv320aic23-supply: no parameters
mipi_dsi_pwr_on: no parameters
sensor-supply: 3300 mV
vgaarb: loaded
i2c-core: driver [max17135] using legacy suspend method
i2c-core: driver [max17135] using legacy resume method
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
usbphy_nop1.12 supply vcc not found, using dummy regulator
usbphy_nop2.13 supply vcc not found, using dummy regulator
i2c i2c-0: IMX I2C adapter registered
i2c i2c-1: IMX I2C adapter registered
i2c i2c-2: IMX I2C adapter registered
Linux video capture interface: v2.00
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
PTP clock support registered
imx-ipuv3 2400000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
imx-ipuv3 2800000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
mxc_mipi_csi2 21dc000.mipi_csi: i.MX MIPI CSI2 driver probed
mxc_mipi_csi2 21dc000.mipi_csi: i.MX MIPI CSI2 dphy version is 0x3130302a
MIPI CSI2 driver module loaded
Advanced Linux Sound Architecture Driver Initialized.
Bluetooth: Core ver 2.18
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP socket layer initialized
Bluetooth: SCO socket layer initialized
cfg80211: Calling CRDA to update world regulatory domain
Switched to clocksource mxc_timer1
NET: Registered protocol family 2
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP: reno registered
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
imx6_busfreq busfreq.16: DDR medium rate not supported.
Bus freq driver module loaded
futex hash table entries: 1024 (order: 4, 65536 bytes)
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
fuse init (API version 7.22)
msgmni has been set to 1999
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
imx-weim 21b8000.weim: Driver registered.
imx6q-pcie 1ffc000.pcie: phy link never came up
imx6q-pcie 1ffc000.pcie: Failed to bring link up!
imx6q-pcie 1ffc000.pcie: failed to initialize host
imx6q-pcie: probe of 1ffc000.pcie failed with error -22
backlight.28 supply power not found, using dummy regulator
mxc_mipi_dsi 21e0000.mipi: i.MX MIPI DSI driver probed
MIPI DSI driver module loaded
mxc_hdmi 20e0000.hdmi_video: Detected HDMI controller 0x13:0xa:0xa0:0xc1
fbcvt: 1920x1080@60: CVT Name - 2.073M9
mxc_sdc_fb fb.24: registered mxc display driver hdmi
imx-ipuv3 2400000.ipu: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)
Console: switching to colour frame buffer device 240x67
mxc_hdmi 20e0000.hdmi_video: Error only one HDMI output support now!
mxc_sdc_fb fb.25: NO mxc display driver found!
mxc_sdc_fb fb.26: NO mxc display driver found!
mxc_sdc_fb fb.27: registered mxc display driver ldb
imx-sdma 20ec000.sdma: no iram assigned, using external mem
imx-sdma 20ec000.sdma: no event needs to be remapped
imx-sdma 20ec000.sdma: loaded firmware 3.1
imx-sdma 20ec000.sdma: initialized
pfuze100-regulator 1-0008: unrecognized pfuze chip ID!
pfuze100-regulator: probe of 1-0008 failed with error -5
Serial: IMX driver
2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 58, base_baud = 5000000) is a IMX
Display is GTF capable
console [ttymxc0] enabled
21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 59, base_baud = 5000000) is a IMX
21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 60, base_baud = 5000000) is a IMX
21f0000.serial: ttymxc3 at MMIO 0x21f0000 (irq = 61, base_baud = 5000000) is a IMX
21f4000.serial: ttymxc4 at MMIO 0x21f4000 (irq = 62, base_baud = 5000000) is a IMX
serial: Freescale lpuart driver
imx sema4 driver is registered.
[drm] Initialized drm 1.1.0 20060810
[drm] Initialized vivante 1.0.0 20120216 on minor 0
brd: module loaded
loop: module loaded
ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024
ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480
ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000
ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000
ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled
ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst
scsi0 : ahci_platform
ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 71
m25p80 spi0.0: sst25vf016b (2048 Kbytes)
spi_imx 2008000.ecspi: probed
CAN device driver interface
2188000.ethernet supply phy not found, using dummy regulator
pps pps0: new PPS source ptp0
libphy: fec_enet_mii_bus: probed
fec 2188000.ethernet eth0: registered PHC device 0
PPP generic driver version 2.4.2
PPP MPPE Compression module registered
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
ehci-mxc: Freescale On-Chip EHCI Host driver
usbcore: registered new interface driver usb-storage
usbcore: registered new interface driver usbserial
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial support registered for generic
usbcore: registered new interface driver option
usbserial: USB Serial support registered for GSM modem (1-port)
2184800.usbmisc supply vbus-wakeup not found, using dummy regulator
ci_hdrc ci_hdrc.0: doesn't support gadget
ci_hdrc ci_hdrc.0: EHCI Host Controller
ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1
ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
mousedev: PS/2 mouse device common for all mice
egalax_ts 1-0004: Failed to read firmware version
egalax_ts: probe of 1-0004 failed with error -5
egalax_ts 2-0004: Failed to read firmware version
egalax_ts: probe of 2-0004 failed with error -5
i2c-core: driver [isl29023] using legacy suspend method
i2c-core: driver [isl29023] using legacy resume method
rtc-ds3231 2-0068: rtc core: registered ds3231 as rtc0
snvs_rtc 20cc034.snvs-rtc-lp: rtc core: registered 20cc034.snvs-rtc-lp as rtc1
i2c /dev entries driver
IR NEC protocol handler initialized
IR RC5(x) protocol handler initialized
IR RC6 protocol handler initialized
IR JVC protocol handler initialized
IR Sony protocol handler initialized
IR RC5 (streamzap) protocol handler initialized
IR SANYO protocol handler initialized
IR MCE Keyboard/mouse protocol handler initialized
mxc_v4l2_output v4l2_out.31: V4L2 device registered as video16
mxc_v4l2_output v4l2_out.31: V4L2 device registered as video17
mxc_v4l2_output v4l2_out.31: V4L2 device registered as video18
mxc_v4l2_output v4l2_out.31: V4L2 device registered as video19
mag3110 2-000e: check mag3110 chip ID
mag3110 2-000e: read chip ID 0xfffffffb is not equal to 0xc4!
mag3110: probe of 2-000e failed with error -22
i2c-core: driver [mag3110] using legacy suspend method
i2c-core: driver [mag3110] using legacy resume method
mma8451 0-001c: read chip ID 0x1 is not equal to 0x1a or 0x2a!
mma8451: probe of 0-001c failed with error -22
imx2-wdt 20c0000.wdog: IMX2+ Watchdog Timer enabled. timeout=60s (nowayout=0)
Bluetooth: HCI UART driver ver 2.2
Bluetooth: HCI H4 protocol initialized
Bluetooth: HCI BCSP protocol initialized
Bluetooth: HCIATH3K protocol initialized
usbcore: registered new interface driver bcm203x
usbcore: registered new interface driver btusb
Bluetooth: Generic Bluetooth SDIO driver ver 0.1
usbcore: registered new interface driver ath3k
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
mmc1: no vqmmc regulator found
mmc1: no vmmc regulator found
mmc1: SDHCI controller on 2194000.usdhc [2194000.usdhc] using ADMA
mmc2: no vqmmc regulator found
mmc2: no vmmc regulator found
mmc2: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA
mmc3: no vqmmc regulator found
mmc3: no vmmc regulator found
mmc3: SDHCI controller on 219c000.usdhc [219c000.usdhc] using ADMA
Galcore version 5.0.11.25762
PU: Power-on latency exceeded, new value 2744666 ns
ata1: SATA link down (SStatus 0 SControl 300)
ahci-imx 2200000.sata: no device found, disabling link.
ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug
usb 1-1: new high-speed USB device number 2 using ci_hdrc
mmc2: new high speed SDXC card at address aaaa
mmcblk2: mmc2:aaaa SL64G 59.4 GiB
mmcblk2: p1
hub 1-1:1.0: USB hub found
hub 1-1:1.0: 5 ports detected
mmc3: BKOPS_EN bit is not set
mmc3: new high speed DDR MMC card at address 0001
mmcblk3: mmc3:0001 SEM04G 3.68 GiB
mmcblk3boot0: mmc3:0001 SEM04G partition 1 2.00 MiB
mmcblk3boot1: mmc3:0001 SEM04G partition 2 2.00 MiB
mmcblk3rpmb: mmc3:0001 SEM04G partition 3 2.00 MiB
mmcblk3: p1
mmcblk3boot1: unknown partition table
mmcblk3boot0: unknown partition table
usb 1-1.1: new high-speed USB device number 3 using ci_hdrc
mxc_vdoa 21e4000.vdoa: i.MX Video Data Order Adapter(VDOA) driver probed
mxc_vpu 2040000.vpu: VPU initialized
usb 1-1.4: new low-speed USB device number 4 using ci_hdrc
caam 2100000.caam: Instantiated RNG4 SH0
caam 2100000.caam: Instantiated RNG4 SH1
caam 2100000.caam: device ID = 0x0a160100 (Era 4)
caam 2100000.caam: job rings = 2, qi = 0
caam algorithms registered in /proc/crypto
caam_jr 2101000.jr0: registering rng-caam
platform caam_sm: blkkey_ex: 4 keystore units available
snvs-secvio 20cc000.caam-snvs: violation handlers armed - non-secure state
input: Logitech USB Optical Mouse as /devices/soc0/soc.0/2100000.aips-bus/2184200.usb/ci_hdrc.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:046D:C05A.0001/input/input2
hid-generic 0003:046D:C05A.0001: input: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-ci_hdrc.0-1.4/input0
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
fsl-asrc 2034000.asrc: driver registered
imx-tlv320aic23 sound.22: tlv320aic23-hifi <-> 202c000.ssi mapping ok
imx-audio-hdmi sound-hdmi.23: hdmi-hifi <-> hdmi_audio.3 mapping ok
NET: Registered protocol family 26
TCP: cubic registered
NET: Registered protocol family 10
sit: IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
can: controller area network core (rev 20120528 abi 9)
NET: Registered protocol family 29
can: raw protocol (rev 20120528)
can: broadcast manager protocol (rev 20120528 t)
can: netlink gateway (rev 20130117) max_hops=1
Bluetooth: RFCOMM TTY layer initialized
Bluetooth: RFCOMM socket layer initialized
Bluetooth: RFCOMM ver 1.11
Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Bluetooth: BNEP filters: protocol multicast
Bluetooth: BNEP socket layer initialized
Bluetooth: HIDP (Human Interface Emulation) ver 1.2
Bluetooth: HIDP socket layer initialized
8021q: 802.1Q VLAN Support v1.8
Key type dns_resolver registered
cpu cpu0: failed to get regulators
imx6q-cpufreq: probe of imx6q-cpufreq.0 failed with error -2
tlv320aic23-supply: disabling
usb_otg_vbus: disabling
regulator-dummy: disabling
imx mcc test is registered.
input: gpio-keys.21 as /devices/soc0/gpio-keys.21/input/input3
rtc-ds3231 2-0068: setting system clock to 2015-08-03 20:35:08 UTC (1438634108)
ALSA device list:
#0: tlv320aic23-audio
#1: imx-hdmi-soc
kjournald starting. Commit interval 5 seconds
EXT3-fs (mmcblk3p1): warning: maximal mount count reached, running e2fsck is recommended
EXT3-fs (mmcblk3p1): using internal journal
EXT3-fs (mmcblk3p1): recovery complete
EXT3-fs (mmcblk3p1): mounted filesystem with ordered data mode
VFS: Mounted root (ext3 filesystem) on device 179:9.
devtmpfs: mounted
Freeing unused kernel memory: 336K (80d5d000 - 80db1000)
INIT: version 2.88 booting
Starting udev
udevd[202]: starting version 182
random: nonblocking pool is initialized
FAT-fs (mmcblk2p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
bootlogd: cannot allocate pseudo tty: No such file or directory
ALSA: Restoring mixer settings...
No state is present for card tlv320aic23audi
Found hardware: "tlv320aic23-aud" "" "" "" ""
Hardware is initialized using a generic method
No state is present for card tlv320aic23audi
No state is present for card imxhdmisoc
Found hardware: "imx-hdmi-soc" "" "" "" ""
Hardware is initialized using a generic method
No state is present for card imxhdmisoc
INIT: Entering runlevel: 5
Configuring network interfaces... fec 2188000.ethernet eth0: Freescale FEC PHY driver [Generic PHY] (mii_bus:phy_addr=2188000.ethernet:00, irq=-1)
IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
done.
Starting Xserver
Starting system message bus: dbus.
Starting Connection Manager
Starting Dropbear SSH server: dropbear.
Starting rpcbind daemon...done.
starting statd: done
Starting advanced power management daemon: No APM support in kernel
(failed.)
NFS daemon support not enabled in kernel
Starting syslogd/klogd: done
* Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon [ ok ]
Starting Telephony daemon
Starting Linux NFC daemon
Starting OProfileUI server
Starting autohdmi:
Running local boot scripts (/etc/rc.local)PU: Power-off latency exceeded, new value 27333 ns
.
Poky (Yocto Project Reference Distro) 1.7 imx6qsabresd /dev/ttymxc0
imx6qsabresd login:
如果不连接HDMI到电视机上面的话就会打印下面的错误信息
imx6qsabresd login: libphy: 2188000.ethernet:00 - Link is Up - 100/Full
IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
imx-hdmi-audio imx-hdmi-audio: HDMI Video is not ready!
imx-hdmi-audio imx-hdmi-audio: ASoC: can't open platform imx-hdmi-audio: -22
imx-hdmi-audio imx-hdmi-audio: HDMI Video is not ready!
imx-hdmi-audio imx-hdmi-audio: ASoC: can't open platform imx-hdmi-audio: -22
imx-hdmi-audio imx-hdmi-audio: HDMI Video is not ready!
imx-hdmi-audio imx-hdmi-audio: ASoC: can't open platform imx-hdmi-audio: -22
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