This flag forces device_id_scheme bit in the struct
acpi_video_device_attrib to be assumed even if not actually set, so a
better name for the global flag would be "force_device_id_scheme".
Signed-off-by: Dmitry Frank <mail@xxxxxxxxxxxxxxx>
---
drivers/acpi/acpi_video.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 9a607af971e7..cfd3bed57bed 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -73,8 +73,12 @@ module_param(report_key_events, int, 0644);
MODULE_PARM_DESC(report_key_events,
"0: none, 1: output changes, 2: brightness changes, 3: all");
-static bool device_id_scheme = false;
-module_param(device_id_scheme, bool, 0444);
+/*
+ * Whether the struct acpi_video_device_attrib::device_id_scheme bit should be
+ * assumed even if not actually set.
+ */
+static bool force_device_id_scheme = false;
+module_param(force_device_id_scheme, bool, 0444);
static bool only_lcd = false;
module_param(only_lcd, bool, 0444);
@@ -387,9 +391,9 @@ static int video_disable_backlight_sysfs_if(
return 0;
}
-static int video_set_device_id_scheme(const struct dmi_system_id *d)
+static int video_set_force_device_id_scheme(const struct dmi_system_id *d)
{
- device_id_scheme = true;
+ force_device_id_scheme = true;
return 0;
}
@@ -491,7 +495,7 @@ static struct dmi_system_id video_dmi_table[] = {
*/
{
/* https://bugzilla.kernel.org/show_bug.cgi?id=104121 */
- .callback = video_set_device_id_scheme,
+ .callback = video_set_force_device_id_scheme,
.ident = "ESPRIMO Mobile M9410",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
@@ -1111,7 +1115,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
attribute = acpi_video_get_device_attr(video, device_id);
- if (attribute && (attribute->device_id_scheme || device_id_scheme)) {
+ if (attribute && (attribute->device_id_scheme || force_device_id_scheme)) {
switch (attribute->display_type) {
case ACPI_VIDEO_DISPLAY_CRT:
data->flags.crt = 1;
--
2.11.0
--
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