openwrt/target/linux/bcm27xx/patches-6.1/950-1249-Pisound-Don-t-export-the-button-GPIO-via-sysfs-GPIO-.patch

From cd62562b276b5724d1c75ea1465937a5bd9037db Mon Sep 17 00:00:00 2001
From: Giedrius <giedrius@blokas.io>
Date: Fri, 19 Jan 2024 10:55:55 +0000
Subject: [PATCH 1249/1295] Pisound: Don't export the button GPIO via sysfs
 GPIO class.
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Signed-off-by: Giedrius Trainavičius <giedrius@blokas.io>
---
 sound/soc/bcm/pisound.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

--- a/sound/soc/bcm/pisound.c
+++ b/sound/soc/bcm/pisound.c
@@ -857,7 +857,6 @@ static int pisnd_ctl_uninit(void)
 
 static struct gpio_desc *osr0, *osr1, *osr2;
 static struct gpio_desc *reset;
-static struct gpio_desc *button;
 
 static int pisnd_hw_params(
 	struct snd_pcm_substream *substream,
@@ -1016,8 +1015,6 @@ static int pisnd_init_gpio(struct device
 
 	reset = gpiod_get_index(dev, "reset", 0, GPIOD_ASIS);
 
-	button = gpiod_get_index(dev, "button", 0, GPIOD_ASIS);
-
 	gpiod_direction_output(osr0,  1);
 	gpiod_direction_output(osr1,  1);
 	gpiod_direction_output(osr2,  1);
@@ -1029,8 +1026,6 @@ static int pisnd_init_gpio(struct device
 	gpiod_set_value(osr2,  false);
 	gpiod_set_value(reset,  true);
 
-	gpiod_export(button, false);
-
 	return 0;
 }
 
@@ -1039,11 +1034,9 @@ static int pisnd_uninit_gpio(void)
 	int i;
 
 	struct gpio_desc **gpios[] = {
-		&osr0, &osr1, &osr2, &reset, &button,
+		&osr0, &osr1, &osr2, &reset,
 	};
 
-	gpiod_unexport(button);
-
 	for (i = 0; i < ARRAY_SIZE(gpios); ++i) {
 		if (*gpios[i] == NULL) {
 			printd("weird, GPIO[%d] is NULL already\n", i);