Changeset 3173

Timestamp:

10/15/07 14:49:23 (6 years ago)

Author:

laforge

Message:

increase vibrator PWM frequency to 257kHz (66MHz / 2 / 2 / 64) to be outside
the human-audible range. It's a vibrator, not a 4kHz beeper!

File:

• trunk/src/target/kernel/patches/gta01-vibrator.patch (modified) (3 diffs)

trunk/src/target/kernel/patches/gta01-vibrator.patch

@@ -32 +32 @@
 +#include <asm/arch/gta01.h>
 +
-+#define COUNTER 256
++#define COUNTER 64
 +
 +struct gta01_vib_priv
@@ -65 +65 @@
 +       mutex_lock(&vp->mutex);
 +       if (vp->has_pwm) {
-+                       s3c2410_pwm_duty_cycle(value, vp->pwm);
++                       s3c2410_pwm_duty_cycle(value/4, vp->pwm);
 +                       s3c2410_gpio_cfgpin(vp->gpio, S3C2410_GPB3_TOUT3);
 +       } else {
@@ -103 +103 @@
 +       /* use same prescaler as arch/arm/plat-s3c24xx/time.c */
 +       vp->pwm->prescaler = (6 - 1) / 2;
-+       vp->pwm->divider = S3C2410_TCFG1_MUX3_DIV16;
++       vp->pwm->divider = S3C2410_TCFG1_MUX3_DIV2;
 +       vp->pwm->counter = COUNTER;
 +       vp->pwm->comparer = COUNTER;