Re: [PATCH v3.1 2/3] iio: chemical: Add Senseair Sunrise 006-0-007 driver

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Wed, Sep 8, 2021 at 6:29 PM Peter Rosin <peda@xxxxxxxxxx> wrote:
> On 2021-09-08 13:00, Jacopo Mondi wrote:
> > On Mon, Sep 06, 2021 at 01:03:52AM +0200, Peter Rosin wrote:

...

>         struct i2c_msg msg[3] = {
>                 {       /* wakeup */
>                         .addr = 0x68,
>                         .flags = I2C_M_RD | I2C_M_IGNORE_NAK,
>                         .len = 0,
>                 }, {    /* write register number */

I'm wondering if device will have enough time in between to actualle
be woken up. I believe the waking up latency must be considered as
well as known 15ms suspending one.

>                         .addr = 0x68,
>                         .flags = 0,
>                         .len = 1,
>                         .buf = &reg,
>                 }, {    /* read register contents */
>                         .addr = 0x68,
>                         .flags = I2C_M_RD,
>                         .len = 17,
>                         .buf = buf,
>                 },
>         };

-- 
With Best Regards,
Andy Shevchenko