On Mar 28, 2006, at 3:40 PM, Alessandro Zummo wrote:
On Tue, 28 Mar 2006 15:07:33 -0600 (CST)
Kumar Gala <[email protected]> wrote:
is almost ok, please check my comments below:
buf[0] = DS1672_REG_CNT_BASE;
buf[1] = secs & 0x000000FF;
buf[2] = (secs & 0x0000FF00) >> 8;
buf[3] = (secs & 0x00FF0000) >> 16;
buf[4] = (secs & 0xFF000000) >> 24;
+ buf[5] = 0;
I'd add a comment to say that 0 enables the osc.
ack.
+static int ds1672_get_control(struct i2c_client *client)
+{
[..]
+ } else
+ return val;
+}
I think it would be cleaner to define the routine as follow:
.. ds1672_get_control(...., unsigned char *status)
and to usa the space provided by the caller to store the result.
+ if (ds1672_get_control(client))
+ state = "disabled";
+ return sprintf(buf, "%s\n", state);
+}
Not sure if I follow you here. I think you are suggesting for
ds1672_get_control to look like:
static int ds1672_get_control(struct i2c_client *client, u8 *status)
{
unsigned char addr = DS1672_REG_CONTROL;
struct i2c_msg msgs[] = {
{ client->addr, 0, 1, &addr }, /* setup
read ptr */
{ client->addr, I2C_M_RD, 1, status }, /* read
control */
};
...
}
which is fine. Any suggestions on what to do on an error in the
sysfs attrib function?
please #define DS1672_REG_CONTROL_EOSC 0x80
and check the single bit.
ack
+ err = ds1672_get_control(client);
ditto.
thanks for your work!
no problem.
- k
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