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Match the right backlight driver.

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Some ATI-based PowerBooks use the string 'mnca' in the backlight controller
device tree entry, so account for this and don't use nVidia when it's not an
nVidia device.

MFC after:	3 weeks
This commit is contained in:
jhibbits 2015-02-18 07:34:32 +00:00
parent 0748f8dde9
commit 8f7883a879
2 changed files with 13 additions and 2 deletions
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9
sys/powerpc/powermac/atibl.c
View File

@ -38,6 +38,11 @@ __FBSDID("$FreeBSD$");
#include <machine/bus.h>
#include <dev/ofw/openfirm.h>
#include <dev/pci/pcivar.h>
#ifndef PCI_VENDOR_ID_ATI
#define PCI_VENDOR_ID_ATI 0x1002
#endif
/* From the xf86-video-ati driver's radeon_reg.h */
#define RADEON_LVDS_GEN_CNTL 0x02d0
@ -121,7 +126,9 @@ atibl_probe(device_t dev)
if (OF_getprop(handle, "backlight-control", &control, sizeof(control)) < 0)
return (ENXIO);
if (strcmp(control, "ati") != 0)
if (strcmp(control, "ati") != 0 &&
(strcmp(control, "mnca") != 0 ||
pci_get_vendor(device_get_parent(dev)) != 0x1002))
return (ENXIO);
device_set_desc(dev, "PowerBook backlight for ATI graphics");

6
sys/powerpc/powermac/nvbl.c
View File

@ -38,6 +38,9 @@ __FBSDID("$FreeBSD$");
#include <machine/bus.h>
#include <dev/ofw/openfirm.h>
#include <dev/pci/pcivar.h>
#define PCI_VENDOR_ID_NVIDIA 0x10de
#define NVIDIA_BRIGHT_MIN (0x0ec)
#define NVIDIA_BRIGHT_MAX (0x538)
@ -102,7 +105,8 @@ nvbl_probe(device_t dev)
if (OF_getprop(handle, "backlight-control", &control, sizeof(control)) < 0)
return (ENXIO);
if (strcmp(control, "mnca") != 0)
if ((strcmp(control, "mnca") != 0) ||
pci_get_vendor(device_get_parent(dev)) != PCI_VENDOR_ID_NVIDIA)
return (ENXIO);
device_set_desc(dev, "PowerBook backlight for nVidia graphics");