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Add drvdata

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This commit is contained in:
Florian RICHER 2025-03-09 16:45:04 +01:00
parent 96c00a0dcc
commit 98c5360b2b
Signed by: florian.richer
GPG key ID: C73D37CBED7BFC77
1 changed files with 38 additions and 1 deletions
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39
10_lightning_node_pro_led/lightning_node_pro_led.c
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@ -5,17 +5,54 @@
#define USB_VENDOR_ID_CORSAIR 0x1b1c #define USB_VENDOR_ID_CORSAIR 0x1b1c
#define USB_DEVICE_ID_LIGHTNING_NODE_PRO 0x0c0b #define USB_DEVICE_ID_LIGHTNING_NODE_PRO 0x0c0b
#define NUMBER_OF_ZONES_PER_LL120_FAN 16
#define LIGHTNODE_PRO_MAX_FAN 6
#define MSG_SIZE 64
#define RED_COLOR 0x00
#define BLUE_COLOR 0x01
#define GREEN_COLOR 0x02
static short int number_of_fan = 1;
module_param(number_of_fan, short, 0000);
MODULE_PARM_DESC(number_of_fan,
"Number of LL120 FAN connected to the lightning node pro");
struct lightning_node_pro_led_data {
struct hid_device *hdev;
struct mutex lock;
};
static int lightning_node_pro_led_probe(struct hid_device *hdev, static int lightning_node_pro_led_probe(struct hid_device *hdev,
const struct hid_device_id *id) const struct hid_device_id *id)
{ {
pr_info("Détection USB pour Lightning Node Pro\n"); pr_info("Détection USB pour Lightning Node Pro\n");
int ret;
struct lightning_node_pro_led_data *data;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->hdev = hdev;
mutex_init(&data->lock);
hid_set_drvdata(hdev, data);
return 0; return 0;
free_ldata:
kfree(data);
return ret;
} }
static void lightning_node_pro_led_remove(struct hid_device *dev) static void lightning_node_pro_led_remove(struct hid_device *hdev)
{ {
struct lightning_node_pro_led_data *data = hid_get_drvdata(hdev);
pr_info("Retrait USB pour Lightning Node Pro\n"); pr_info("Retrait USB pour Lightning Node Pro\n");
kfree(data);
} }
static struct hid_device_id lightning_node_pro_led_table[] = { static struct hid_device_id lightning_node_pro_led_table[] = {