From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/platform/x86/sony-laptop.c | 113 ++++++++++++++++++++++++++------------------------------
1 files changed, 52 insertions(+), 61 deletions(-)
diff --git a/kernel/drivers/platform/x86/sony-laptop.c b/kernel/drivers/platform/x86/sony-laptop.c
index b50f8f7..f070e4e 100644
--- a/kernel/drivers/platform/x86/sony-laptop.c
+++ b/kernel/drivers/platform/x86/sony-laptop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ACPI Sony Notebook Control Driver (SNC and SPIC)
*
@@ -25,21 +26,6 @@
* Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
*
* Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -771,33 +757,6 @@
return result;
}
-static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
- int *result)
-{
- union acpi_object *object = NULL;
- if (value) {
- u64 v = *value;
- object = __call_snc_method(handle, name, &v);
- } else
- object = __call_snc_method(handle, name, NULL);
-
- if (!object)
- return -EINVAL;
-
- if (object->type != ACPI_TYPE_INTEGER) {
- pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
- ACPI_TYPE_INTEGER, object->type);
- kfree(object);
- return -EINVAL;
- }
-
- if (result)
- *result = object->integer.value;
-
- kfree(object);
- return 0;
-}
-
#define MIN(a, b) (a > b ? b : a)
static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
void *buffer, size_t buflen)
@@ -809,21 +768,41 @@
if (!object)
return -EINVAL;
- if (object->type == ACPI_TYPE_BUFFER) {
+ if (!buffer) {
+ /* do nothing */
+ } else if (object->type == ACPI_TYPE_BUFFER) {
len = MIN(buflen, object->buffer.length);
+ memset(buffer, 0, buflen);
memcpy(buffer, object->buffer.pointer, len);
} else if (object->type == ACPI_TYPE_INTEGER) {
len = MIN(buflen, sizeof(object->integer.value));
+ memset(buffer, 0, buflen);
memcpy(buffer, &object->integer.value, len);
} else {
- pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
- ACPI_TYPE_BUFFER, object->type);
+ pr_warn("Unexpected acpi_object: 0x%x\n", object->type);
ret = -EINVAL;
}
kfree(object);
+ return ret;
+}
+
+static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int
+ *result)
+{
+ int ret;
+
+ if (value) {
+ u64 v = *value;
+
+ ret = sony_nc_buffer_call(handle, name, &v, result,
+ sizeof(*result));
+ } else {
+ ret = sony_nc_buffer_call(handle, name, NULL, result,
+ sizeof(*result));
+ }
return ret;
}
@@ -841,10 +820,10 @@
int i;
for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
- len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
+ len += scnprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
handles->cap[i]);
}
- len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
+ len += scnprintf(buffer + len, PAGE_SIZE - len, "\n");
return len;
}
@@ -1913,14 +1892,21 @@
break;
}
- ret = sony_call_snc_handle(handle, probe_base, &result);
- if (ret)
- return ret;
+ /*
+ * Only probe if there is a separate probe_base, otherwise the probe call
+ * is equivalent to __sony_nc_kbd_backlight_mode_set(0), resulting in
+ * the keyboard backlight being turned off.
+ */
+ if (probe_base) {
+ ret = sony_call_snc_handle(handle, probe_base, &result);
+ if (ret)
+ return ret;
- if ((handle == 0x0137 && !(result & 0x02)) ||
- !(result & 0x01)) {
- dprintk("no backlight keyboard found\n");
- return 0;
+ if ((handle == 0x0137 && !(result & 0x02)) ||
+ !(result & 0x01)) {
+ dprintk("no backlight keyboard found\n");
+ return 0;
+ }
}
kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
@@ -2201,10 +2187,10 @@
for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
if (!cnt || (th_handle->profiles & cnt))
- idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
+ idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
snc_thermal_profiles[cnt]);
}
- idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
+ idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "\n");
return idx;
}
@@ -2309,7 +2295,12 @@
#ifdef CONFIG_PM_SLEEP
static void sony_nc_thermal_resume(void)
{
- unsigned int status = sony_nc_thermal_mode_get();
+ int status;
+
+ if (!th_handle)
+ return;
+
+ status = sony_nc_thermal_mode_get();
if (status != th_handle->mode)
sony_nc_thermal_mode_set(th_handle->mode);
@@ -4392,7 +4383,7 @@
list_add(&interrupt->list, &dev->interrupts);
interrupt->irq.triggering = p->triggering;
interrupt->irq.polarity = p->polarity;
- interrupt->irq.sharable = p->sharable;
+ interrupt->irq.shareable = p->shareable;
interrupt->irq.interrupt_count = 1;
interrupt->irq.interrupts[0] = p->interrupts[i];
}
@@ -4548,7 +4539,7 @@
memcpy(&resource->res3.data.irq, &irq->irq,
sizeof(struct acpi_resource_irq));
/* we requested a shared irq */
- resource->res3.data.irq.sharable = ACPI_SHARED;
+ resource->res3.data.irq.shareable = ACPI_SHARED;
resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
resource->res4.length = sizeof(struct acpi_resource);
@@ -4567,7 +4558,7 @@
memcpy(&resource->res2.data.irq, &irq->irq,
sizeof(struct acpi_resource_irq));
/* we requested a shared irq */
- resource->res2.data.irq.sharable = ACPI_SHARED;
+ resource->res2.data.irq.shareable = ACPI_SHARED;
resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
resource->res3.length = sizeof(struct acpi_resource);
@@ -4781,7 +4772,7 @@
irq->irq.interrupts[0],
irq->irq.triggering,
irq->irq.polarity,
- irq->irq.sharable);
+ irq->irq.shareable);
spic_dev.cur_irq = irq;
break;
}
--
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