Re: [PATCH 03/12] hdaps: Unify and cache hdaps readouts

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On 8/8/06, Pavel Machek <[email protected]> wrote:
        /* Parse position data: */
        x = *(s16*)(data.val+EC_ACCEL_IDX_XPOS1);
        y = *(s16*)(data.val+EC_ACCEL_IDX_YPOS1);
        transform_axes(&x, &y);

...which looks even better to me.

Yes, that's elegant.
But it made me realize there's a race condition here (and and also in
the mainline driver): the global pos_x, rest_x etc. could be updated
while an attribute's show_* function is called. Ugh. I guess I need to
sprinkle spinlocks all over the place.

 Shem
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