diff options
| author | Przemo Firszt <przemo@firszt.eu> | 2012-03-22 18:54:08 +0000 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-03-28 10:23:47 +0200 |
| commit | 4202f1de3b4f1edf74a7f8b2f8b56cb5a8398081 (patch) | |
| tree | ef2328a06c2f39428c516f89b29878e9c58d8eb0 /drivers/hid/hid-wacom.c | |
| parent | e31e3832927f5ee2d788120826e73d120dd39ea9 (diff) | |
| download | linux-4202f1de3b4f1edf74a7f8b2f8b56cb5a8398081.tar.bz2 | |
HID: wacom: Add battery/ac reporting for Intuos4 WL
This patch adds battery/ac reporting for Intuos4 WL. It uses existing
sysfs code, but the device reports battery capacity in more fine-grained way,
so there has to be a separate lookup table (called batcap_i4).
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-wacom.c')
| -rw-r--r-- | drivers/hid/hid-wacom.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index edf6cba6037a..f130f40488f6 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -49,6 +49,8 @@ struct wacom_data { /*percent of battery capacity for Graphire 8th value means AC online and show 100% capacity */ static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 }; +/*percent of battery capacity for Intuos4 WL, AC has a separate bit*/ +static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 }; static enum power_supply_property wacom_battery_props[] = { POWER_SUPPLY_PROP_PRESENT, @@ -447,6 +449,7 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, struct input_dev *input; unsigned char *data = (unsigned char *) raw_data; int i; + __u8 power_raw; if (!(hdev->claimed & HID_CLAIMED_INPUT)) return 0; @@ -474,6 +477,13 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, wacom_i4_parse_report(hdev, wdata, input, data + i); i += 10; wacom_i4_parse_report(hdev, wdata, input, data + i); + power_raw = data[i+10]; + if (power_raw != wdata->power_raw) { + wdata->power_raw = power_raw; + wdata->battery_capacity = batcap_i4[power_raw & 0x07]; + wdata->ps_connected = power_raw & 0x08; + } + break; default: hid_err(hdev, "Unknown report: %d,%d size:%d\n", |