| Message ID | 1231396342.20746.81.camel@rzhang-dt (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
this one was already applied on 12/30 it was titled video: always update the brightness when poking "brightness" -- Len Brown, Intel Open Source Technology Center On Thu, 8 Jan 2009, Zhang Rui wrote: > Always update the props.brightness > whenever the ACPI video backlight is changed. > > Signed-off-by: Zhang Rui <rui.zhang@intel.com> > --- > drivers/acpi/video.c | 5 +++++ > 1 file changed, 5 insertions(+) > > Index: linux-2.6/drivers/acpi/video.c > =================================================================== > --- linux-2.6.orig/drivers/acpi/video.c > +++ linux-2.6/drivers/acpi/video.c > @@ -481,6 +481,7 @@ acpi_video_device_lcd_set_level(struct a > int status = AE_OK; > union acpi_object arg0 = { ACPI_TYPE_INTEGER }; > struct acpi_object_list args = { 1, &arg0 }; > + int state; > > > arg0.integer.value = level; > @@ -489,6 +490,10 @@ acpi_video_device_lcd_set_level(struct a > status = acpi_evaluate_object(device->dev->handle, "_BCM", > &args, NULL); > device->brightness->curr = level; > + for (state = 2; state < device->brightness->count; state++) > + if (level == device->brightness->levels[state]) > + device->backlight->props.brightness = state - 2; > + > return status; > } > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Index: linux-2.6/drivers/acpi/video.c =================================================================== --- linux-2.6.orig/drivers/acpi/video.c +++ linux-2.6/drivers/acpi/video.c @@ -481,6 +481,7 @@ acpi_video_device_lcd_set_level(struct a int status = AE_OK; union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; + int state; arg0.integer.value = level; @@ -489,6 +490,10 @@ acpi_video_device_lcd_set_level(struct a status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL); device->brightness->curr = level; + for (state = 2; state < device->brightness->count; state++) + if (level == device->brightness->levels[state]) + device->backlight->props.brightness = state - 2; + return status; }
Always update the props.brightness whenever the ACPI video backlight is changed. Signed-off-by: Zhang Rui <rui.zhang@intel.com> --- drivers/acpi/video.c | 5 +++++ 1 file changed, 5 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html