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From 9f9c8f4c3e4c0e43ac366019781593f1bc68a3b0 Mon Sep 17 00:00:00 2001
From: "Luke D. Jones" <luke@ljones.dev>
Date: Fri, 25 Oct 2024 08:56:54 +0200
Subject: [PATCH 11/29] hid-asus-ally: add gamepad mode selection
---
drivers/hid/hid-asus-ally.c | 73 +++++++++++++++++++++++++++++++++++++
drivers/hid/hid-asus-ally.h | 2 +
2 files changed, 75 insertions(+)
diff --git a/drivers/hid/hid-asus-ally.c b/drivers/hid/hid-asus-ally.c
index 884cb688197e..08e953f6a3c5 100644
--- a/drivers/hid/hid-asus-ally.c
+++ b/drivers/hid/hid-asus-ally.c
@@ -647,9 +647,82 @@ static ssize_t btn_mapping_reset_store(struct device *dev, struct device_attribu
}
ALLY_DEVICE_ATTR_WO(btn_mapping_reset, reset_btn_mapping);
+/* GAMEPAD MODE */
+static ssize_t _gamepad_set_mode(struct hid_device *hdev, struct ally_gamepad_cfg *ally_cfg,
+ int val)
+{
+ u8 *hidbuf;
+ int ret;
+
+ hidbuf = kzalloc(FEATURE_ROG_ALLY_REPORT_SIZE, GFP_KERNEL);
+ if (!hidbuf)
+ return -ENOMEM;
+
+ hidbuf[0] = FEATURE_ROG_ALLY_REPORT_ID;
+ hidbuf[1] = FEATURE_ROG_ALLY_CODE_PAGE;
+ hidbuf[2] = xpad_cmd_set_mode;
+ hidbuf[3] = xpad_cmd_len_mode;
+ hidbuf[4] = val;
+
+ ret = ally_gamepad_check_ready(hdev);
+ if (ret < 0)
+ goto report_fail;
+
+ ret = asus_dev_set_report(hdev, hidbuf, FEATURE_ROG_ALLY_REPORT_SIZE);
+ if (ret < 0)
+ goto report_fail;
+
+ ret = _gamepad_apply_all(hdev, ally_cfg);
+ if (ret < 0)
+ goto report_fail;
+
+report_fail:
+ kfree(hidbuf);
+ return ret;
+}
+
+static ssize_t gamepad_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct ally_gamepad_cfg *ally_cfg = drvdata.gamepad_cfg;
+
+ if (!drvdata.gamepad_cfg)
+ return -ENODEV;
+
+ return sysfs_emit(buf, "%d\n", ally_cfg->mode);
+}
+
+static ssize_t gamepad_mode_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct ally_gamepad_cfg *ally_cfg = drvdata.gamepad_cfg;
+ int ret, val;
+
+ if (!drvdata.gamepad_cfg)
+ return -ENODEV;
+
+ ret = kstrtoint(buf, 0, &val);
+ if (ret)
+ return ret;
+
+ if (val < xpad_mode_game || val > xpad_mode_mouse)
+ return -EINVAL;
+
+ ally_cfg->mode = val;
+
+ ret = _gamepad_set_mode(hdev, ally_cfg, val);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+DEVICE_ATTR_RW(gamepad_mode);
+
/* ROOT LEVEL ATTRS *******************************************************************************/
static struct attribute *gamepad_device_attrs[] = {
&dev_attr_btn_mapping_reset.attr,
+ &dev_attr_gamepad_mode.attr,
&dev_attr_gamepad_apply_all.attr,
NULL
};
diff --git a/drivers/hid/hid-asus-ally.h b/drivers/hid/hid-asus-ally.h
index f985cbd698c3..f7e21be50d8e 100644
--- a/drivers/hid/hid-asus-ally.h
+++ b/drivers/hid/hid-asus-ally.h
@@ -20,6 +20,7 @@ enum xpad_mode {
/* the xpad_cmd determines which feature is set or queried */
enum xpad_cmd {
+ xpad_cmd_set_mode = 0x01,
xpad_cmd_set_mapping = 0x02,
xpad_cmd_set_leds = 0x08,
xpad_cmd_check_ready = 0x0A,
@@ -27,6 +28,7 @@ enum xpad_cmd {
/* the xpad_cmd determines which feature is set or queried */
enum xpad_cmd_len {
+ xpad_cmd_len_mode = 0x01,
xpad_cmd_len_mapping = 0x2c,
xpad_cmd_len_leds = 0x0C,
};
--
2.48.1
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