diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-10-26 13:42:19 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-26 13:46:28 -0700 |
| commit | ec4c20ca09831ddba8fac10a7d82a9902e96e717 (patch) | |
| tree | e356e6fe760bebff03330bf6f21f0823b87854bd /drivers/platform/x86/apple-gmux.c | |
| parent | ef113733c288eccadc105579b8e8c1bfdcc09ad1 (diff) | |
| parent | c17cda15cc86e65e9725641daddcd7a63cc9ad01 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Conflicts:
net/mac80211/rx.c
91535613b609 ("wifi: mac80211: don't drop all unprotected public action frames")
6c02fab72429 ("wifi: mac80211: split ieee80211_drop_unencrypted_mgmt() return value")
Adjacent changes:
drivers/net/ethernet/apm/xgene/xgene_enet_main.c
61471264c018 ("net: ethernet: apm: Convert to platform remove callback returning void")
d2ca43f30611 ("net: xgene: Fix unused xgene_enet_of_match warning for !CONFIG_OF")
net/vmw_vsock/virtio_transport.c
64c99d2d6ada ("vsock/virtio: support to send non-linear skb")
53b08c498515 ("vsock/virtio: initialize the_virtio_vsock before using VQs")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/platform/x86/apple-gmux.c')
| -rw-r--r-- | drivers/platform/x86/apple-gmux.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index cadbb557a108..1417e230edbd 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -105,6 +105,8 @@ struct apple_gmux_config { #define GMUX_BRIGHTNESS_MASK 0x00ffffff #define GMUX_MAX_BRIGHTNESS GMUX_BRIGHTNESS_MASK +# define MMIO_GMUX_MAX_BRIGHTNESS 0xffff + static u8 gmux_pio_read8(struct apple_gmux_data *gmux_data, int port) { return inb(gmux_data->iostart + port); @@ -857,7 +859,17 @@ get_version: memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_PLATFORM; - props.max_brightness = gmux_read32(gmux_data, GMUX_PORT_MAX_BRIGHTNESS); + + /* + * All MMIO gmux's have 0xffff as max brightness, but some iMacs incorrectly + * report 0x03ff, despite the firmware being happy to set 0xffff as the brightness + * at boot. Force 0xffff for all MMIO gmux's so they all have the correct brightness + * range. + */ + if (type == APPLE_GMUX_TYPE_MMIO) + props.max_brightness = MMIO_GMUX_MAX_BRIGHTNESS; + else + props.max_brightness = gmux_read32(gmux_data, GMUX_PORT_MAX_BRIGHTNESS); #if IS_REACHABLE(CONFIG_ACPI_VIDEO) register_bdev = acpi_video_get_backlight_type() == acpi_backlight_apple_gmux; |