From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpio/gpio-xra1403.c | 26 +++++++-------------------
1 files changed, 7 insertions(+), 19 deletions(-)
diff --git a/kernel/drivers/gpio/gpio-xra1403.c b/kernel/drivers/gpio/gpio-xra1403.c
index 8711a79..e2cac12 100644
--- a/kernel/drivers/gpio/gpio-xra1403.c
+++ b/kernel/drivers/gpio/gpio-xra1403.c
@@ -1,19 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* GPIO driver for EXAR XRA1403 16-bit GPIO expander
*
* Copyright (c) 2017, General Electric Company
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/bitops.h>
@@ -94,7 +83,10 @@
if (ret)
return ret;
- return !!(val & BIT(offset % 8));
+ if (val & BIT(offset % 8))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static int xra1403_get(struct gpio_chip *chip, unsigned int offset)
@@ -129,6 +121,7 @@
struct xra1403 *xra = gpiochip_get_data(chip);
int value[XRA_LAST];
int i;
+ const char *label;
unsigned int gcr;
unsigned int gsr;
@@ -144,12 +137,7 @@
gcr = value[XRA_GCR + 1] << 8 | value[XRA_GCR];
gsr = value[XRA_GSR + 1] << 8 | value[XRA_GSR];
- for (i = 0; i < chip->ngpio; i++) {
- const char *label = gpiochip_is_requested(chip, i);
-
- if (!label)
- continue;
-
+ for_each_requested_gpio(chip, i, label) {
seq_printf(s, " gpio-%-3d (%-12s) %s %s\n",
chip->base + i, label,
(gcr & BIT(i)) ? "in" : "out",
--
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