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| Who | What | When |
|---|---|---|
| theelder777 | i have a question... If I may
So i was looking at a driver such as em28xx driver that has a usb_driver struct which has an id_table (containing a list of vendor and product ids) which allows the module to bind to the device upon discovery... right? the driver i just mentioned is the file em28xx-cards.c | [06:47] |
| hverkuil | theelder777: yes, that's correct. | [06:51] |
| theelder777 | compare that to em28xx-video.c, this file has a struct em28xx_ops but does not have an id_table. How does this driver bind to anything?
hverkuil: thank you | [06:52] |
| hverkuil | theelder777: the em28xx.ko is pulled in when the USB IDs match. The other modules are pulled in because the em28xx module depends on them (i.e. when resolving external symbols). | [06:56] |
| theelder777 | hmmm, thank you
does it operate on the same data structures created by em28xx? created by em28xx-cards.c by same i mean the same structures instantiated by em28xx-cards | [07:00] |
| it
must by how does this data get passed from em28xx-cards to em28xx-video or do they share the same piece of memory... but how does this* | [07:15] | |
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| erikyy2 | Hello. am using two ELP-USB30W02M-BL36 usb webcams wih uvcvideo driver. software like motion or also own written software shows dmesg error: xhci_hcd 0000:00:10.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13. I tried everythink i could imageine but no chance. What USB Webcam can I buy where I can for sure use two at the same time?
(if using only one of these cams, it works) (no the usb bus is not saturated, i use different hubs, see on lsusb) | [08:03] |
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| sailus | kbingham: Ping? | [10:41] |
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| benjiG | hverkuil: hello, it is working fine without adap_monitor_all_enable callback in my driver. Could I send only driver code in v7 (ie excluding cover letter and bindings ) ? | [13:17] |
| hverkuil | benjiG: sure | [13:19] |
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| kbingham | sailus: Hey - sorry in odd timezones and on conference hours. | [15:06] |
| mchehab: Hola Mauro! Could you consider an Ack for this set of patches on the VSP-Du as well please? Same as previous set- they are for both V4L/DRM - for the DRM Display driver. Then hopefully these two can get into 4.13 :) (https://www.mail-archive.com/linux-media@vger.kernel.org/msg112917.html) | [15:14] | |
| mchehab | kbingham: they look ok to me. Feel free to add my ack to all 5 patches of the patch series: Acked-by: Mauro Cavalho Chehab <mchehab@s-opensource.com> | [15:24] |
| kbingham | mchehab: Thankyou very much. | [15:30] |
| mchehab | anytime | [15:30] |
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