From: "Daniel J. Ogorchock" <djogorchock@gmail.com>
To: linux-input@vger.kernel.org
Cc: thunderbird2k@gmail.com, blaws05@gmail.com,
benjamin.tissoires@redhat.com, jikos@kernel.org,
Roderick.Colenbrander@sony.com, svv@google.com,
s.jegen@gmail.com, carmueller@gmail.com,
"Daniel J. Ogorchock" <djogorchock@gmail.com>
Subject: [PATCH v10 04/12] HID: nintendo: add home led support
Date: Sun, 29 Dec 2019 19:27:12 -0600 [thread overview]
Message-ID: <20191230012720.2368987-5-djogorchock@gmail.com> (raw)
In-Reply-To: <20191230012720.2368987-1-djogorchock@gmail.com>
This patch adds the ability to set the intensity level of the home
button's LED.
Signed-off-by: Daniel J. Ogorchock <djogorchock@gmail.com>
---
drivers/hid/hid-nintendo.c | 69 +++++++++++++++++++++++++++++++++++---
1 file changed, 65 insertions(+), 4 deletions(-)
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
index be494f421b02..02178ab9619e 100644
--- a/drivers/hid/hid-nintendo.c
+++ b/drivers/hid/hid-nintendo.c
@@ -187,7 +187,8 @@ struct joycon_input_report {
struct joycon_ctlr {
struct hid_device *hdev;
struct input_dev *input;
- struct led_classdev leds[JC_NUM_LEDS];
+ struct led_classdev leds[JC_NUM_LEDS]; /* player leds */
+ struct led_classdev home_led;
enum joycon_ctlr_state ctlr_state;
spinlock_t lock;
@@ -675,6 +676,40 @@ static int joycon_player_led_brightness_set(struct led_classdev *led,
return ret;
}
+static int joycon_home_led_brightness_set(struct led_classdev *led,
+ enum led_brightness brightness)
+{
+ struct device *dev = led->dev->parent;
+ struct hid_device *hdev = to_hid_device(dev);
+ struct joycon_ctlr *ctlr;
+ struct joycon_subcmd_request *req;
+ u8 buffer[sizeof(*req) + 5] = { 0 };
+ u8 *data;
+ int ret;
+
+ ctlr = hid_get_drvdata(hdev);
+ if (!ctlr) {
+ hid_err(hdev, "No controller data\n");
+ return -ENODEV;
+ }
+
+ req = (struct joycon_subcmd_request *)buffer;
+ req->subcmd_id = JC_SUBCMD_SET_HOME_LIGHT;
+ data = req->data;
+ data[0] = 0x01;
+ data[1] = brightness << 4;
+ data[2] = brightness | (brightness << 4);
+ data[3] = 0x11;
+ data[4] = 0x11;
+
+ hid_dbg(hdev, "setting home led brightness\n");
+ mutex_lock(&ctlr->output_mutex);
+ ret = joycon_send_subcmd(ctlr, req, 5);
+ mutex_unlock(&ctlr->output_mutex);
+
+ return ret;
+}
+
static const char * const joycon_player_led_names[] = {
"player1",
"player2",
@@ -683,7 +718,7 @@ static const char * const joycon_player_led_names[] = {
};
static DEFINE_MUTEX(joycon_input_num_mutex);
-static int joycon_player_leds_create(struct joycon_ctlr *ctlr)
+static int joycon_leds_create(struct joycon_ctlr *ctlr)
{
struct hid_device *hdev = ctlr->hdev;
struct device *dev = &hdev->dev;
@@ -720,7 +755,7 @@ static int joycon_player_leds_create(struct joycon_ctlr *ctlr)
ret = devm_led_classdev_register(&hdev->dev, led);
if (ret) {
hid_err(hdev, "Failed registering %s LED\n", led->name);
- break;
+ return ret;
}
}
@@ -728,6 +763,32 @@ static int joycon_player_leds_create(struct joycon_ctlr *ctlr)
input_num = 1;
mutex_unlock(&joycon_input_num_mutex);
+ /* configure the home LED */
+ if (ctlr->hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+ name = devm_kasprintf(dev, GFP_KERNEL, "%s:%s", d_name, "home");
+ if (!name)
+ return ret;
+
+ led = &ctlr->home_led;
+ led->name = name;
+ led->brightness = 0;
+ led->max_brightness = 0xF;
+ led->brightness_set_blocking = joycon_home_led_brightness_set;
+ led->flags = LED_CORE_SUSPENDRESUME | LED_HW_PLUGGABLE;
+ ret = devm_led_classdev_register(&hdev->dev, led);
+ if (ret) {
+ hid_err(hdev, "Failed registering home led\n");
+ return ret;
+ }
+ /* Set the home LED to 0 as default state */
+ ret = joycon_home_led_brightness_set(led, 0);
+ if (ret) {
+ hid_err(hdev, "Failed to set home LED dflt; ret=%d\n",
+ ret);
+ return ret;
+ }
+ }
+
return 0;
}
@@ -975,7 +1036,7 @@ static int nintendo_hid_probe(struct hid_device *hdev,
mutex_unlock(&ctlr->output_mutex);
/* Initialize the leds */
- ret = joycon_player_leds_create(ctlr);
+ ret = joycon_leds_create(ctlr);
if (ret) {
hid_err(hdev, "Failed to create leds; ret=%d\n", ret);
goto err_close;
--
2.24.1
next prev parent reply other threads:[~2019-12-30 1:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-30 1:27 [PATCH v10 00/12] HID:nintendo Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 01/12] HID: nintendo: add nintendo switch controller driver Daniel J. Ogorchock
2021-05-24 16:34 ` Lee Jones
2021-05-24 16:55 ` Barnabás Pőcze
2019-12-30 1:27 ` [PATCH v10 02/12] HID: nintendo: add player led support Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 03/12] HID: nintendo: add power supply support Daniel J. Ogorchock
2019-12-30 1:27 ` Daniel J. Ogorchock [this message]
2019-12-30 1:27 ` [PATCH v10 05/12] HID: nintendo: add rumble support Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 06/12] HID: nintendo: improve subcommand reliability Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 07/12] HID: nintendo: send subcommands after receiving input report Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 08/12] HID: nintendo: reduce device removal subcommand errors Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 09/12] HID: nintendo: patch hw version for userspace HID mappings Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 10/12] HID: nintendo: set controller uniq to MAC Daniel J. Ogorchock
2019-12-30 1:27 ` [PATCH v10 11/12] HID: nintendo: add IMU support Daniel J. Ogorchock
2019-12-31 6:29 ` Roderick Colenbrander
2020-01-09 3:26 ` Daniel Ogorchock
2020-01-09 5:22 ` Roderick Colenbrander
2020-01-09 6:23 ` Carl Mueller
2020-01-09 8:53 ` Daniel Ogorchock
2020-01-09 16:37 ` Roderick Colenbrander
2020-01-09 20:38 ` Carl Mueller
[not found] ` <CAKF84v26=X8OLPavdE52tprm=WOynUXRz2aDjz5Bvqw6rdTZQg@mail.gmail.com>
2020-01-18 3:49 ` Daniel Ogorchock
2020-01-21 18:19 ` Siarhei Vishniakou
2020-01-21 2:49 ` Daniel Ogorchock
2020-01-22 5:19 ` Roderick Colenbrander
2020-01-09 8:55 ` Daniel Ogorchock
2019-12-30 1:27 ` [PATCH v10 12/12] HID: nintendo: add support for charging grip Daniel J. Ogorchock
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