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    SubjectRe: [PATCH] RTC: more XSTP/VDET support for rtc-rs5c348 driver
    On Mon, 04 Sep 2006 22:22:22 +0900 (JST)
    Atsushi Nemoto <anemo@mba.ocn.ne.jp> wrote:

    > If the chip detected "oscillator stop" condition, show an warning
    > message. And initialize it with the Epoch time instead of leaving it
    > with unknown date/time.
    >
    > Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>

    Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>

    > diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
    > index 0964d1d..2558906 100644
    > --- a/drivers/rtc/rtc-rs5c348.c
    > +++ b/drivers/rtc/rtc-rs5c348.c
    > @@ -23,7 +23,7 @@ #include <linux/rtc.h>
    > #include <linux/workqueue.h>
    > #include <linux/spi/spi.h>
    >
    > -#define DRV_VERSION "0.1"
    > +#define DRV_VERSION "0.2"
    >
    > #define RS5C348_REG_SECS 0
    > #define RS5C348_REG_MINS 1
    > @@ -175,8 +175,15 @@ static int __devinit rs5c348_probe(struc
    > goto kfree_exit;
    > if (ret & (RS5C348_BIT_XSTP | RS5C348_BIT_VDET)) {
    > u8 buf[2];
    > + struct rtc_time tm;
    > if (ret & RS5C348_BIT_VDET)
    > dev_warn(&spi->dev, "voltage-low detected.\n");
    > + if (ret & RS5C348_BIT_XSTP)
    > + dev_warn(&spi->dev, "oscillator-stop detected.\n");
    > + rtc_time_to_tm(0, &tm); /* 1970/1/1 */
    > + ret = rs5c348_rtc_set_time(&spi->dev, &tm);
    > + if (ret < 0)
    > + goto kfree_exit;
    > buf[0] = RS5C348_CMD_W(RS5C348_REG_CTL2);
    > buf[1] = 0;
    > ret = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0);


    --

    Best regards,

    Alessandro Zummo,
    Tower Technologies - Turin, Italy

    http://www.towertech.it

    -
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