[PATCH 0/2] Pegatron Lucid tablet accelerometer · Andy Ross <hidden> · 2011-01-17
[PATCH 1/2] input: Pegatron Lucid accelerometer · Andy Ross <hidden> · 2011-01-17
Re: [PATCH 1/2] input: Pegatron Lucid accelerometer · Shubhrajyoti <hidden> · 2011-01-18
Re: [PATCH 1/2] input: Pegatron Lucid accelerometer · Dmitry Torokhov <dmitry.torokhov@gmail.com> · 2011-01-18
Re: [PATCH 1/2] input: Pegatron Lucid accelerometer · Andy Ross <hidden> · 2011-01-18
[PATCH 2/2] asus-laptop: Support pega_accel driver · Andy Ross <hidden> · 2011-01-17
Re: [PATCH 0/2] Pegatron Lucid tablet accelerometer · Dmitry Torokhov <dmitry.torokhov@gmail.com> · 2011-01-17
Re: [PATCH 0/2] Pegatron Lucid tablet accelerometer · Andy Ross <hidden> · 2011-01-17

Re: [PATCH 1/2] input: Pegatron Lucid accelerometer

From: Andy Ross <hidden>
Date: 2011-01-18 17:21:34
Also in: platform-driver-x86

On 01/17/2011 09:48 PM, Shubhrajyoti wrote:

Could you explain why a polling is needed. Is no irq line connected.

It's just an ACPI method interface, so no dedicated IRQ certainly.
The firmware does issue ACPI events on coarse orientation changes
(i.e. which edge is up) that we're catching with acpid, so there's no
reason this needs to poll all the time in typical usage.

Andy

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