diff options
| -rw-r--r-- | drivers/hid/hid-playstation.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index a2f1bd1400a2..05553d07cb1b 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -316,6 +316,17 @@ struct dualsense_output_report { /* Battery status within batery_status field. */ #define DS4_BATTERY_STATUS_FULL 11 +/* The lower 6 bits of hw_control of the Bluetooth main output report + * control the interval at which Dualshock 4 reports data: + * 0x00 - 1ms + * 0x01 - 1ms + * 0x02 - 2ms + * 0x3E - 62ms + * 0x3F - disabled + */ +#define DS4_OUTPUT_HWCTL_BT_POLL_MASK 0x3F +/* Default to 4ms poll interval, which is same as USB (not adjustable). */ +#define DS4_BT_DEFAULT_POLL_INTERVAL_MS 4 #define DS4_OUTPUT_HWCTL_CRC32 0x40 #define DS4_OUTPUT_HWCTL_HID 0x80 @@ -348,6 +359,10 @@ struct dualshock4 { uint32_t prev_sensor_timestamp; uint32_t sensor_timestamp_us; + /* Bluetooth poll interval */ + bool update_bt_poll_interval; + uint8_t bt_poll_interval; + bool update_rumble; uint8_t motor_left; uint8_t motor_right; @@ -2010,6 +2025,11 @@ static void dualshock4_output_worker(struct work_struct *work) */ report.bt->hw_control = DS4_OUTPUT_HWCTL_HID | DS4_OUTPUT_HWCTL_CRC32; + if (ds4->update_bt_poll_interval) { + report.bt->hw_control |= ds4->bt_poll_interval; + ds4->update_bt_poll_interval = false; + } + crc = crc32_le(0xFFFFFFFF, &seed, 1); crc = ~crc32_le(crc, report.data, report.len - 4); @@ -2241,6 +2261,13 @@ static inline void dualshock4_schedule_work(struct dualshock4 *ds4) spin_unlock_irqrestore(&ds4->base.lock, flags); } +static void dualshock4_set_bt_poll_interval(struct dualshock4 *ds4, uint8_t interval) +{ + ds4->bt_poll_interval = interval; + ds4->update_bt_poll_interval = true; + dualshock4_schedule_work(ds4); +} + /* Set default lightbar color based on player. */ static void dualshock4_set_default_lightbar_colors(struct dualshock4 *ds4) { @@ -2372,6 +2399,8 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev) goto err; } + dualshock4_set_bt_poll_interval(ds4, DS4_BT_DEFAULT_POLL_INTERVAL_MS); + ret = ps_device_set_player_id(ps_dev); if (ret) { hid_err(hdev, "Failed to assign player id for DualShock4: %d\n", ret); |