Author: cperciva
Date: Sun Apr 19 02:49:05 2020
New Revision: 360089
URL: https://svnweb.freebsd.org/changeset/base/360089
Log:
MFC r360025: Alert devd when acpi_video brightness changes
Modified:
stable/12/sys/dev/acpica/acpi_video.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/dev/acpica/acpi_video.c
==============================================================================
--- stable/12/sys/dev/acpica/acpi_video.c Sun Apr 19 02:20:39 2020
(r360088)
+++ stable/12/sys/dev/acpica/acpi_video.c Sun Apr 19 02:49:05 2020
(r360089)
@@ -1034,6 +1034,7 @@ vo_get_brightness(ACPI_HANDLE handle)
static void
vo_set_brightness(ACPI_HANDLE handle, int level)
{
+ char notify_buf[16];
ACPI_STATUS status;
ACPI_SERIAL_ASSERT(video_output);
@@ -1041,6 +1042,8 @@ vo_set_brightness(ACPI_HANDLE handle, int level)
if (ACPI_FAILURE(status))
printf("can't evaluate %s._BCM - %s\n",
acpi_name(handle), AcpiFormatException(status));
+ snprintf(notify_buf, sizeof(notify_buf), "notify=%d", level);
+ devctl_notify("ACPI", "Video", "brightness", notify_buf);
}
static UINT32
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