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authorJohan Hovold <jhovold@gmail.com>2013-03-21 11:37:30 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-25 20:52:28 (GMT)
commite1ed212d8593f8d5036709ae257e0e019dbecd4f (patch)
tree40a13bc9518f5aa51d99eb1ee69d1b8347d89dff /drivers/usb/serial/ssu100.c
parent4d63143db1426342f186cfe258db73571bf57897 (diff)
downloadlinux-e1ed212d8593f8d5036709ae257e0e019dbecd4f.tar.xz
USB: spcp8x5: add proper modem-status support
Fetch modem status on carrier_raised and tiocmget. This driver appeared to support modem-status but only read the modem status registers once at open and then used that cached value for all further enquires. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/ssu100.c')
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