Multiple instances of libqmi
Krishna Kishore
krishna.kishore at sasken.com
Tue Jul 24 15:57:32 UTC 2018
Hi Aleksander,
Thanks for answering my questions.
I have one more question.
How do dual (Multiple) SIMs are supported? Will single QmiDevice be able to enumerate multiple SIMs and allow control/configure multiple SIMs?
Regards,
Kishore
Krishna Kishore
Senior Architect – Devices
Sasken Technologies Limited
139/25, Ring Road, Domlur, Bengaluru - 560 071, India
+91 98862 83935 | krishna.kishore at sasken.com | www.sasken.com
-----Original Message-----
From: Aleksander Morgado [mailto:aleksander at aleksander.es]
Sent: 27 February 2018 19:32
To: Krishna Kishore
Cc: libqmi-devel at lists.freedesktop.org; Praveen Kumar
Subject: Re: Multiple instances of libqmi
>
> Thanks for your response. This helps.
>
> Can you please let us know about the following? How does it map to multiple QmiDevices? We will use more than 1 Telit modules of same product id.
>
> ==== This is from drivers/net/usb/qmi_wwan.c ===
> {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */
> {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */
> =====
>
The kernel will create different /dev/cdc-wdmX devices for each modem, even if they all have the same vid:pid. Each QmiDevice will be associated to a different cdc-wdmX device.
--
Aleksander
https://aleksander.es
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