[PATCH v1 08/12] HID: cp2112: Define all GPIO mask and use it

From: Andy Shevchenko
Date: Mon Jul 03 2023 - 14:52:56 EST


Define all GPIO mask and use it in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/hid/hid-cp2112.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index c8c59d70500e..37ed7fc54770 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -32,6 +32,7 @@
#define CP2112_GPIO_GET_LENGTH 2
#define CP2112_GPIO_SET_LENGTH 3
#define CP2112_GPIO_MAX_GPIO 8
+#define CP2112_GPIO_ALL_GPIO_MASK GENMASK(7, 0)

enum {
CP2112_GPIO_CONFIG = 0x02,
@@ -173,7 +174,7 @@ struct cp2112_device {
u8 gpio_prev_state;
};

-static int gpio_push_pull = 0xFF;
+static int gpio_push_pull = CP2112_GPIO_ALL_GPIO_MASK;
module_param(gpio_push_pull, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(gpio_push_pull, "GPIO push-pull configuration bitmask");

@@ -226,7 +227,7 @@ static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
mutex_lock(&dev->lock);

buf[0] = CP2112_GPIO_SET;
- buf[1] = value ? 0xff : 0;
+ buf[1] = value ? CP2112_GPIO_ALL_GPIO_MASK : 0;
buf[2] = 1 << offset;

ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf,
--
2.40.0.1.gaa8946217a0b