diff options
| author | Stephen Kitt <steve@sk2.org> | 2022-06-07 21:00:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 09:00:43 +0200 |
| commit | 72aef4f60ff90984fe7aa8b09698120a73373d7f (patch) | |
| tree | b86d7dbac64bd0214d63986fbca846b9e61e7bcf /drivers/staging/olpc_dcon | |
| parent | 18697b479330508491928a0d8593ba6c005591b7 (diff) | |
| download | linux-72aef4f60ff90984fe7aa8b09698120a73373d7f.tar.bz2 | |
staging: olpc_dcon: Use backlight helper
Instead of retrieving the backlight brightness in struct
backlight_properties manually, and then checking whether the backlight
should be on at all, use backlight_get_brightness() which does all
this and insulates this from future changes.
Cc: Jens Frederich <jfrederich@gmail.com>
Cc: Jon Nettleton <jon.nettleton@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Stephen Kitt <steve@sk2.org>
Link: https://lore.kernel.org/r/20220607190049.1132154-1-steve@sk2.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/olpc_dcon')
| -rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 7284cb4ac395..b9d570e9ad3b 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -517,10 +517,7 @@ static struct device_attribute dcon_device_files[] = { static int dcon_bl_update(struct backlight_device *dev) { struct dcon_priv *dcon = bl_get_data(dev); - u8 level = dev->props.brightness & 0x0F; - - if (dev->props.power != FB_BLANK_UNBLANK) - level = 0; + u8 level = backlight_get_brightness(dev) & 0x0F; if (level != dcon->bl_val) dcon_set_backlight(dcon, level); |