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

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Date:   Mon,  3 Jul 2023 21:52:18 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Andy Shevchenko <andy@...nel.org>
Subject: [PATCH v1 08/12] HID: cp2112: Define all GPIO mask and use it

Define all GPIO mask and use it in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 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