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authorJeremy Fitzhardinge <jeremy@goop.org>2011-12-02 14:18:45 -0500
committerJeremy Fitzhardinge <jeremy@goop.org>2012-01-08 02:30:37 -0500
commitfb8ac91b4dccbdda0ad51d499079d05143783ba4 (patch)
treeb85100063cf4128c79b610a0a7def43a40c98413 /drivers/hid
parentbbc21cfd55858d7c3e55bfaa91fa934b0b13ad4d (diff)
hid-input/battery: deal with both FEATURE and INPUT report batteries
Some devices seem to report batteries as FEATUREs, others as INPUTs. Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-input.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 69dec476883a..f5c3efcdcb02 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -312,7 +312,6 @@ static int hidinput_get_battery_property(struct power_supply *psy,
312 int ret = 0; 312 int ret = 0;
313 int ret_rep; 313 int ret_rep;
314 __u8 buf[2] = {}; 314 __u8 buf[2] = {};
315 unsigned char report_number = dev->battery_report_id;
316 315
317 switch (prop) { 316 switch (prop) {
318 case POWER_SUPPLY_PROP_PRESENT: 317 case POWER_SUPPLY_PROP_PRESENT:
@@ -321,8 +320,9 @@ static int hidinput_get_battery_property(struct power_supply *psy,
321 break; 320 break;
322 321
323 case POWER_SUPPLY_PROP_CAPACITY: 322 case POWER_SUPPLY_PROP_CAPACITY:
324 ret_rep = dev->hid_get_raw_report(dev, report_number, 323 ret_rep = dev->hid_get_raw_report(dev, dev->battery_report_id,
325 buf, sizeof(buf), HID_FEATURE_REPORT); 324 buf, sizeof(buf),
325 dev->battery_report_type);
326 if (ret_rep != 2) { 326 if (ret_rep != 2) {
327 ret = -EINVAL; 327 ret = -EINVAL;
328 break; 328 break;
@@ -351,7 +351,9 @@ static int hidinput_get_battery_property(struct power_supply *psy,
351 return ret; 351 return ret;
352} 352}
353 353
354static void hidinput_setup_battery(struct hid_device *dev, unsigned id, s32 min, s32 max) 354static void hidinput_setup_battery(struct hid_device *dev,
355 unsigned report_type, unsigned report_id,
356 s32 min, s32 max)
355{ 357{
356 struct power_supply *battery = &dev->battery; 358 struct power_supply *battery = &dev->battery;
357 int ret; 359 int ret;
@@ -379,7 +381,8 @@ static void hidinput_setup_battery(struct hid_device *dev, unsigned id, s32 min,
379 381
380 dev->battery_min = min; 382 dev->battery_min = min;
381 dev->battery_max = max; 383 dev->battery_max = max;
382 dev->battery_report_id = id; 384 dev->battery_report_type = report_type;
385 dev->battery_report_id = report_id;
383 386
384 ret = power_supply_register(&dev->dev, battery); 387 ret = power_supply_register(&dev->dev, battery);
385 if (ret != 0) { 388 if (ret != 0) {
@@ -399,7 +402,9 @@ static void hidinput_cleanup_battery(struct hid_device *dev)
399 dev->battery.name = NULL; 402 dev->battery.name = NULL;
400} 403}
401#else /* !CONFIG_HID_BATTERY_STRENGTH */ 404#else /* !CONFIG_HID_BATTERY_STRENGTH */
402static void hidinput_setup_battery(struct hid_device *dev, unsigned id, s32 min, s32 max) 405static void hidinput_setup_battery(struct hid_device *dev,
406 unsigned report_type, unsigned report_id,
407 s32 min, s32 max)
403{ 408{
404} 409}
405 410
@@ -769,6 +774,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
769 case HID_UP_GENDEVCTRLS: 774 case HID_UP_GENDEVCTRLS:
770 if ((usage->hid & HID_USAGE) == 0x20) { /* Battery Strength */ 775 if ((usage->hid & HID_USAGE) == 0x20) { /* Battery Strength */
771 hidinput_setup_battery(device, 776 hidinput_setup_battery(device,
777 HID_INPUT_REPORT,
772 field->report->id, 778 field->report->id,
773 field->logical_minimum, 779 field->logical_minimum,
774 field->logical_maximum); 780 field->logical_maximum);
@@ -1052,7 +1058,7 @@ static void report_features(struct hid_device *hid)
1052 if (((rep->field[i]->usage + j)->hid & HID_USAGE_PAGE) == HID_UP_GENDEVCTRLS && 1058 if (((rep->field[i]->usage + j)->hid & HID_USAGE_PAGE) == HID_UP_GENDEVCTRLS &&
1053 ((rep->field[i]->usage + j)->hid & HID_USAGE) == 0x20) { 1059 ((rep->field[i]->usage + j)->hid & HID_USAGE) == 0x20) {
1054 hidinput_setup_battery(hid, 1060 hidinput_setup_battery(hid,
1055 rep->id, 1061 HID_FEATURE_REPORT, rep->id,
1056 rep->field[i]->logical_minimum, 1062 rep->field[i]->logical_minimum,
1057 rep->field[i]->logical_maximum); 1063 rep->field[i]->logical_maximum);
1058 } 1064 }