diff options
Diffstat (limited to 'drivers/hid/hid-sony.c')
| -rw-r--r-- | drivers/hid/hid-sony.c | 85 |
1 files changed, 50 insertions, 35 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 2f073f536070..81d526a5d003 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -562,9 +562,8 @@ struct sony_sc { u8 hotplug_worker_initialized; u8 state_worker_initialized; u8 defer_initialization; - u8 cable_state; - u8 battery_charging; u8 battery_capacity; + int battery_status; u8 led_state[MAX_LEDS]; u8 led_delay_on[MAX_LEDS]; u8 led_delay_off[MAX_LEDS]; @@ -892,7 +891,8 @@ static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size) static const u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 }; unsigned long flags; int offset; - u8 cable_state, battery_capacity, battery_charging; + u8 battery_capacity; + int battery_status; /* * The sixaxis is charging if the battery value is 0xee @@ -904,19 +904,16 @@ static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size) if (rd[offset] >= 0xee) { battery_capacity = 100; - battery_charging = !(rd[offset] & 0x01); - cable_state = 1; + battery_status = (rd[offset] & 0x01) ? POWER_SUPPLY_STATUS_FULL : POWER_SUPPLY_STATUS_CHARGING; } else { u8 index = rd[offset] <= 5 ? rd[offset] : 5; battery_capacity = sixaxis_battery_capacity[index]; - battery_charging = 0; - cable_state = 0; + battery_status = POWER_SUPPLY_STATUS_DISCHARGING; } spin_lock_irqsave(&sc->lock, flags); - sc->cable_state = cable_state; sc->battery_capacity = battery_capacity; - sc->battery_charging = battery_charging; + sc->battery_status = battery_status; spin_unlock_irqrestore(&sc->lock, flags); if (sc->quirks & SIXAXIS_CONTROLLER) { @@ -944,7 +941,8 @@ static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size) struct input_dev *input_dev = hidinput->input; unsigned long flags; int n, m, offset, num_touch_data, max_touch_data; - u8 cable_state, battery_capacity, battery_charging; + u8 cable_state, battery_capacity; + int battery_status; u16 timestamp; /* When using Bluetooth the header is 2 bytes longer, so skip these. */ @@ -1049,29 +1047,52 @@ static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size) */ offset = data_offset + DS4_INPUT_REPORT_BATTERY_OFFSET; cable_state = (rd[offset] >> 4) & 0x01; - battery_capacity = rd[offset] & 0x0F; /* - * When a USB power source is connected the battery level ranges from - * 0 to 10, and when running on battery power it ranges from 0 to 9. - * A battery level above 10 when plugged in means charge completed. + * Interpretation of the battery_capacity data depends on the cable state. + * When no cable is connected (bit4 is 0): + * - 0:10: percentage in units of 10%. + * When a cable is plugged in: + * - 0-10: percentage in units of 10%. + * - 11: battery is full + * - 14: not charging due to Voltage or temperature error + * - 15: charge error */ - if (!cable_state || battery_capacity > 10) - battery_charging = 0; - else - battery_charging = 1; + if (cable_state) { + u8 battery_data = rd[offset] & 0xf; + + if (battery_data < 10) { + /* Take the mid-point for each battery capacity value, + * because on the hardware side 0 = 0-9%, 1=10-19%, etc. + * This matches official platform behavior, which does + * the same. + */ + battery_capacity = battery_data * 10 + 5; + battery_status = POWER_SUPPLY_STATUS_CHARGING; + } else if (battery_data == 10) { + battery_capacity = 100; + battery_status = POWER_SUPPLY_STATUS_CHARGING; + } else if (battery_data == 11) { + battery_capacity = 100; + battery_status = POWER_SUPPLY_STATUS_FULL; + } else { /* 14, 15 and undefined values */ + battery_capacity = 0; + battery_status = POWER_SUPPLY_STATUS_UNKNOWN; + } + } else { + u8 battery_data = rd[offset] & 0xf; - if (!cable_state) - battery_capacity++; - if (battery_capacity > 10) - battery_capacity = 10; + if (battery_data < 10) + battery_capacity = battery_data * 10 + 5; + else /* 10 */ + battery_capacity = 100; - battery_capacity *= 10; + battery_status = POWER_SUPPLY_STATUS_DISCHARGING; + } spin_lock_irqsave(&sc->lock, flags); - sc->cable_state = cable_state; sc->battery_capacity = battery_capacity; - sc->battery_charging = battery_charging; + sc->battery_status = battery_status; spin_unlock_irqrestore(&sc->lock, flags); /* @@ -2300,12 +2321,12 @@ static int sony_battery_get_property(struct power_supply *psy, struct sony_sc *sc = power_supply_get_drvdata(psy); unsigned long flags; int ret = 0; - u8 battery_charging, battery_capacity, cable_state; + u8 battery_capacity; + int battery_status; spin_lock_irqsave(&sc->lock, flags); - battery_charging = sc->battery_charging; battery_capacity = sc->battery_capacity; - cable_state = sc->cable_state; + battery_status = sc->battery_status; spin_unlock_irqrestore(&sc->lock, flags); switch (psp) { @@ -2319,13 +2340,7 @@ static int sony_battery_get_property(struct power_supply *psy, val->intval = battery_capacity; break; case POWER_SUPPLY_PROP_STATUS: - if (battery_charging) - val->intval = POWER_SUPPLY_STATUS_CHARGING; - else - if (battery_capacity == 100 && cable_state) - val->intval = POWER_SUPPLY_STATUS_FULL; - else - val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + val->intval = battery_status; break; default: ret = -EINVAL; |