diff options
| author | Richard Purdie <rpurdie@rpsys.net> | 2007-03-03 17:43:52 +0000 |
|---|---|---|
| committer | Richard Purdie <rpurdie@rpsys.net> | 2007-03-05 08:49:38 +0000 |
| commit | 202d4e602555e68c2bc71775228876b0356785c8 (patch) | |
| tree | e47c4013016e21a231b9d2873a2d75aa2750c5fe /drivers/video/aty/radeon_base.c | |
| parent | 238576e12fef1d52751c6e08db2d0bdb0e248caf (diff) | |
backlight: Allow enable/disable of fb backlights, fixing regressions
Enabling the backlight by default appears to cause problems for many
users. This patch disables backlight controls unless explicitly
enabled by users via a module parameter. Since PMAC users are known
to work, default to enabled in that case.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/video/aty/radeon_base.c')
| -rw-r--r-- | drivers/video/aty/radeon_base.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index 46ba1235f03..1bf6f42eb40 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -268,6 +268,11 @@ static int nomtrr = 0; #endif static int force_sleep; static int ignore_devlist; +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight = 1; +#else +static int backlight = 0; +#endif /* * prototypes @@ -2348,7 +2353,8 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, MTRR_TYPE_WRCOMB, 1); #endif - radeonfb_bl_init(rinfo); + if (backlight) + radeonfb_bl_init(rinfo); printk ("radeonfb (%s): %s\n", pci_name(rinfo->pdev), rinfo->name); @@ -2469,6 +2475,8 @@ static int __init radeonfb_setup (char *options) force_dfp = 1; } else if (!strncmp(this_opt, "panel_yres:", 11)) { panel_yres = simple_strtoul((this_opt+11), NULL, 0); + } else if (!strncmp(this_opt, "backlight:", 10)) { + backlight = simple_strtoul(this_opt+10, NULL, 0); #ifdef CONFIG_MTRR } else if (!strncmp(this_opt, "nomtrr", 6)) { nomtrr = 1; |