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path: root/drivers/acpi/video_detect.c
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Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 826e52def080..c3397748ba46 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -238,12 +238,7 @@ static void acpi_video_caps_check(void)
238 238
239bool acpi_video_backlight_quirks(void) 239bool acpi_video_backlight_quirks(void)
240{ 240{
241 if (acpi_gbl_osi_data >= ACPI_OSI_WIN_8) { 241 return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
242 acpi_video_caps_check();
243 acpi_video_support |= ACPI_VIDEO_SKIP_BACKLIGHT;
244 return true;
245 }
246 return false;
247} 242}
248EXPORT_SYMBOL(acpi_video_backlight_quirks); 243EXPORT_SYMBOL(acpi_video_backlight_quirks);
249 244
@@ -291,14 +286,6 @@ int acpi_video_backlight_support(void)
291} 286}
292EXPORT_SYMBOL(acpi_video_backlight_support); 287EXPORT_SYMBOL(acpi_video_backlight_support);
293 288
294/* For the ACPI video driver use only. */
295bool acpi_video_verify_backlight_support(void)
296{
297 return (acpi_video_support & ACPI_VIDEO_SKIP_BACKLIGHT) ?
298 false : acpi_video_backlight_support();
299}
300EXPORT_SYMBOL(acpi_video_verify_backlight_support);
301
302/* 289/*
303 * Use acpi_backlight=vendor/video to force that backlight switching 290 * Use acpi_backlight=vendor/video to force that backlight switching
304 * is processed by vendor specific acpi drivers or video.ko driver. 291 * is processed by vendor specific acpi drivers or video.ko driver.