On Mon, 04 Sep 2006 22:22:22 +0900 (JST)
Atsushi Nemoto <[email protected]> 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 <[email protected]>
Signed-off-by: Alessandro Zummo <[email protected]>
> 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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