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hidpp10: implement get_extended_pairing_info for the serial number

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This request has more information, for now we just fetch the serial number

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Peter Hutterer
2015-10-23 09:45:32 -04:00
committed by Benjamin Tissoires
parent 3eb331da50
commit bdcc194e41
2 changed files with 23 additions and 0 deletions
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20
src/hidpp10.c
View File

@@ -1145,6 +1145,26 @@ hidpp10_get_pairing_information_device_name(struct hidpp10_device *dev,
return 0;
}
int
hidpp10_get_extended_pairing_information(struct hidpp10_device *dev,
uint32_t *serial)
{
unsigned int idx = dev->index;
union hidpp10_message info = CMD_PAIRING_INFORMATION(idx, DEVICE_EXTENDED_PAIRING_INFORMATION);
int res;
hidpp_log_raw(&dev->base, "Fetching extended pairing information\n");
res = hidpp10_request_command(dev, &info);
if (res)
return -1;
*serial = hidpp10_get_unaligned_u16(&info.msg.string[2]) << 16;
*serial |= hidpp10_get_unaligned_u16(&info.msg.string[4]);
return 0;
}
/* -------------------------------------------------------------------------- */
/* 0xF1: Device Firmware Information */
/* -------------------------------------------------------------------------- */

3
src/hidpp10.h
View File

@@ -492,6 +492,9 @@ int
hidpp10_get_pairing_information_device_name(struct hidpp10_device *dev,
char *name,
size_t *name_sz);
int
hidpp10_get_extended_pairing_information(struct hidpp10_device *dev,
uint32_t *serial);
/* -------------------------------------------------------------------------- */
/* 0xF1: Device Firmware Information */