---
drivers/rtc/rtc-twl4030.c | 41 ++++++++++++++++++++++++++++++++++++-----
1 files changed, 36 insertions(+), 5 deletions(-)
Index: linux-omap-dec10/drivers/rtc/rtc-twl4030.c
===================================================================
--- linux-omap-dec10.orig/drivers/rtc/rtc-twl4030.c 2007-12-13 12:08:18.000000000 +0530
+++ linux-omap-dec10/drivers/rtc/rtc-twl4030.c 2007-12-13 16:24:41.428526658 +0530
@@ -353,6 +353,26 @@
return ret;
}
+/*
+ * We will just handle setting the frequency and make use the framework for
+ * reading the periodic interupts.
+ * @freq: Current periodic IRQ freq
+ */
+static int twl4030_rtc_irq_set_freq(struct device *dev, int freq)
+{
+ struct rtc_device *rtc = dev_get_drvdata(dev);
+
+ if (freq < 0 || freq > 3)
+ return -EINVAL;
+
+ rtc->irq_freq = freq;
+
+ /* set rtc irq freq to user defined value */
+ set_rtc_irq_bit(freq);
+
+ return 0;
+}
+
#ifdef CONFIG_RTC_INTF_DEV
static int twl4030_rtc_ioctl(struct device *dev, unsigned int cmd,
@@ -364,12 +384,18 @@
return twl4030_rtc_alarm_irq_set_state(dev, 0);
case RTC_AIE_ON:
return twl4030_rtc_alarm_irq_set_state(dev, 1);
+
case RTC_UIE_OFF:
+ /* Fall Through */
+ case RTC_PIE_OFF:
/* Mask ints from RTC updates. */
return twl4030_rtc_irq_set_state(dev, 0);
case RTC_UIE_ON:
+ /* Fall Through */
+ case RTC_PIE_ON:
/* Allow ints for RTC updates. */
return twl4030_rtc_irq_set_state(dev, 1);
+
case RTC_EPOCH_READ:
return put_user(epoch, (unsigned long *)arg);
case RTC_EPOCH_SET:
@@ -456,11 +482,12 @@
}
static struct rtc_class_ops twl4030_rtc_ops = {
- .ioctl = twl4030_rtc_ioctl,
- .read_time = twl4030_rtc_read_time,
- .set_time = twl4030_rtc_set_time,
- .read_alarm = twl4030_rtc_read_alarm,
- .set_alarm = twl4030_rtc_set_alarm,
+ .ioctl = twl4030_rtc_ioctl,
+ .read_time = twl4030_rtc_read_time,
+ .set_time = twl4030_rtc_set_time,
+ .read_alarm = twl4030_rtc_read_alarm,
+ .set_alarm = twl4030_rtc_set_alarm,
+ .irq_set_freq = twl4030_rtc_irq_set_freq,
};
static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
@@ -486,6 +513,9 @@
}
+ /* Set the irq freq to every second */
+ rtc->irq_freq = 0;
+
platform_set_drvdata(pdev, rtc);
ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
@@ -577,6 +607,7 @@
pdata->exit();
rtc_device_unregister(rtc);
+ platform_set_drvdata(pdev, NULL);
return 0;
}
-
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