From 69481059c507b3b5a99aaab0d544e6516034defc Mon Sep 17 00:00:00 2001 From: Hongye Yuan Date: Wed, 9 Jan 2019 09:18:08 +0800 Subject: HID: sony: Transform one-time SHANWAN check into quirk Transform the one-time check for a SHANWAN PS3 clone gamepad into a quirk, to avoid doing the same string comparison in multiple places. Signed-off-by: Hongye Yuan Reviewed-by: Bastien Nocera Signed-off-by: Benjamin Tissoires --- drivers/hid/hid-sony.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) (limited to 'drivers/hid') diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 9671a4bad643..fc82f02bae75 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -58,6 +58,7 @@ #define FUTUREMAX_DANCE_MAT BIT(13) #define NSG_MR5U_REMOTE_BT BIT(14) #define NSG_MR7U_REMOTE_BT BIT(15) +#define SHANWAN_GAMEPAD BIT(16) #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT) #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT) @@ -1490,6 +1491,7 @@ static int sony_register_sensors(struct sony_sc *sc) */ static int sixaxis_set_operational_usb(struct hid_device *hdev) { + struct sony_sc *sc = hid_get_drvdata(hdev); const int buf_size = max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE); u8 *buf; @@ -1519,14 +1521,15 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev) /* * But the USB interrupt would cause SHANWAN controllers to - * start rumbling non-stop. + * start rumbling non-stop, so skip step 3 for these controllers. */ - if (strcmp(hdev->name, "SHANWAN PS3 GamePad")) { - ret = hid_hw_output_report(hdev, buf, 1); - if (ret < 0) { - hid_info(hdev, "can't set operational mode: step 3, ignoring\n"); - ret = 0; - } + if (sc->quirks & SHANWAN_GAMEPAD) + goto out; + + ret = hid_hw_output_report(hdev, buf, 1); + if (ret < 0) { + hid_info(hdev, "can't set operational mode: step 3, ignoring\n"); + ret = 0; } out: @@ -2811,6 +2814,9 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) if (!strcmp(hdev->name, "FutureMax Dance Mat")) quirks |= FUTUREMAX_DANCE_MAT; + if (!strcmp(hdev->name, "SHANWAN PS3 GamePad")) + quirks |= SHANWAN_GAMEPAD; + sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL); if (sc == NULL) { hid_err(hdev, "can't alloc sony descriptor\n"); -- cgit v1.2.3-55-g7522