Hi!
I got frontlight to work, wow. Patch is extremely ugly, and I have a
small problem? How do I do this properly? I need locomo_writel() to
manipulate frontlight settings, but that only seems available in
locomo.c. Putting frontlight support there is certainly possible, but
looks ugly to me...
Pavel
author <pavel@amd.(none)> Sat, 30 Jul 2005 17:37:58 +0200
committer <pavel@amd.(none)> Sat, 30 Jul 2005 17:37:58 +0200
arch/arm/common/locomo.c | 53 ++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 51 insertions(+), 2 deletions(-)
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -638,6 +638,52 @@ static int locomo_resume(struct device *
}
#endif
+
+static spinlock_t fl_lock = SPIN_LOCK_UNLOCKED;
+
+#define LCM_ALC_EN 0x8000
+
+void frontlight_set(struct locomo *lchip, int duty, int vr, int bpwf)
+{
+ unsigned long flags;
+#if 0
+ if (vr) poodlefl_enable_accel();
+ else poodlefl_disable_accel();
+#endif
+
+ spin_lock_irqsave(&fl_lock, flags);
+ locomo_writel(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+ udelay(100);
+ locomo_writel(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+ locomo_writel(bpwf | LCM_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+ spin_unlock_irqrestore(&fl_lock, flags);
+}
+
+
/**
* locomo_probe - probe for a single LoCoMo chip.
* @phys_addr: physical address of device.
@@ -697,6 +743,9 @@ __locomo_probe(struct device *me, struct
/* FrontLight */
locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+
+ frontlight_set(lchip, 163, 0, 148); /* Same constants can be used for collie and poodle (depending on CONFIG options in original sharp code?! */
+
/* Longtime timer */
locomo_writel(0, lchip->base + LOCOMO_LTINT);
/* SPI */
--
if you have sharp zaurus hardware you don't need... you know my address
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