On 06/17/2015 10:19 AM, Felipe Balbi wrote:
On Wed, Jun 17, 2015 at 07:33:37AM +0800, Xuebing Wang wrote:
On 06/16/2015 10:32 PM, Alan Stern wrote:
On Tue, 16 Jun 2015, Xuebing Wang wrote:
Hi Alan and community,
I am using mass storage kernel module of v4.0.1 for Freescale i.MX6SL
for a
On 06/16/2015 10:32 PM, Alan Stern wrote:
On Tue, 16 Jun 2015, Xuebing Wang wrote:
Hi Alan and community,
I am using mass storage kernel module of v4.0.1 for Freescale i.MX6SL
for a commercial product. As this is commercial product, thus USB host
compatibility is important.
1) It seems that
Hi Alan and community,
I am using mass storage kernel module of v4.0.1 for Freescale i.MX6SL
for a commercial product. As this is commercial product, thus USB host
compatibility is important.
1) It seems that Windows 7 host can *not* auto-mount if I pass
parameters as below:
modprobe g_mass
Hi Community,
I am developing a commercial product based on Freescale iMX6, which
supports USB slave Mass Storage, command is:
modprobe g_mass_storage file=/dev/mmcblk0p4
(it is one partition in eMMC, this partition is formatted as FAT32)
(kernel version is 3.10.17, I did not try the latest ma
Hi Community,
I am developing a commercial product based on Freescale iMX6SL + UAC2.
I can get UAC2 working for below command. 'hw:1,0' is the virtual sound
card. 'hw:0,0' is the physical sound card.
export RATE=44100; arecord -D hw:1,0 -c 2 -r $RATE -f S16_LE | aplay -c
2 -r $RATE -f S16_LE &
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Thanks,
Xuebing Wang
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-/rate/size).
Sebastian
Hi Sebastian,
Would you mind to share how did you run the test for both
Playback/Capture? What host version are you using, as different Host
enumerates (sends sequences of USB_REQ_SET_INTERFACE request differently)?
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Thanks,
Xuebing Wang
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Hi Community,
I finally fix the UAC1 on Windows 7 host issue. Thanks for your help. I
will submit patches after more testing.
On 08/22/2014 10:43 AM, Xuebing Wang wrote:
On 08/21/2014 04:24 PM, Sebastian Andrzej Siewior wrote:
On 08/20/2014 02:13 AM, Peter Chen wrote:
Thanks, so Xunbing
here are no hardware issues with
* your controller. Add it above if it can't handle CDC.
*/
return true;
}
Thanks again.
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Xuebing Wang
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From: Xuebing Wang
Date: Wed, 20 Aug 2014 12:36:54 +0800
Subject: [PATCH 1/2] UAC1: enable USB gadget Audio Class revision 1.0
Fix below error message issue:
g_audio gadget: ep1out queue req: err = -22
This issue was observed on Freescale i.MX6SL EVK, kernel version 3.10.17
Signed-off-by: Xu
ller like ChipIdea does NOT support RNDIS?
2) Also, I am not sure if it is related to ChipIdea quirk
(gadget_supports_altsettings in file gadget_chips.h)?
I can't find chipidea quirk at gadget_chips.h, besides, altsettings
are software stuff.
Peter
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Thanks,
Xuebing Wang
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Thanks. You were trying UAC2, right?
Yes.
Thanks Daniel. Did you hear noise (hear with ear phone, not speaker)
especially when playing music from Ubuntu host? I am hearing slight
noise here.
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Thanks,
Xuebing Wang
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if it is related to ChipIdea quirk
(gadget_supports_altsettings in file gadget_chips.h)?
Any suggestions / comments on this? Thanks.
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Xuebing Wang
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On 08/19/2014 01:11 AM, Daniel Mack wrote:
On 08/15/2014 05:49 AM, Xuebing Wang wrote:
Jassi, thanks for your help.
Without knowing what is the best way to implement UAC2 at the device
side, I managed to simply pipe is as below:
Note: When I am playing music from Ubuntu host, I can hear light
ice has no
output controls', which results in that I can not adjust volume. Music
playback via UAC1 on MacOS is no problem.
Anybody tried UAC1 (or UAC2) recently? Is UAC1 broken?
Thanks.
Xuebing Wang
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Thanks Peter.
My problem is that I can not hear any sound if playing wav from Ubuntu Host.
I can hear sound if I play wav for the real sound card at the device side.
For UAC1 (file u_uac1.c), usb audio stream is hard-coded to be directed to
"/dev/snd/pcmC0D0p". I am wondering for UAC2, should
y wav for the real sound card at the device side.
For UAC1 (file u_uac1.c), usb audio stream is hard-coded to be directed
to "/dev/snd/pcmC0D0p". I am wondering for UAC2, should I do the similar?
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At device side, in driver/usb/gadget/Kconfig, it says before for
CONFIG_USB_AUDIO
-
This driver doesn't expect any real Audio codec to be present
on the device - the audio streams are simply sinked to and
sourced from a virtual ALSA sound
UAC2
virtual ALSA sound card (hw:2,0, UAC2_Gadget)?
Thank you very much.
Xuebing Wang
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