When the whole phone is being powered off, a poweroff request needs
to be sent to the external modem so that it can shutdown gracefully.
This request needs to be triggered from userspace before kernel drivers
start unloading so that other drivers needed to send the request are
still available. The shutdown ioctl is provided for this purpose.
The request is sent over system monitor.
Crs-Fixed: 401598
Signed-off-by: Joel King <joelking@codeaurora.org>
mdm-driver is informed that an image upgrade of the remote modem is
required, at which point it stops monitoring the error gpios and takes
the appropriate actions. Support for the "USB Switch" gpio is added.
This is needed to write a image to an empty modem flash.
Change-Id: I4c05a80955124a3eb7edc11e99f4945f9de79e6b
Signed-off-by: Ameya Thakur <ameyat@codeaurora.org>