HID: i2c-hid: support regulator power on/off

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On some boards, we need to enable a regulator before using the HID, and
it's also nice to save power in suspend by disabling it. Support an
optional "vdd-supply" and a companion initialization delay.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: linux-input@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

...

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Brian Norris 2017-02-09 18:03:57 -08:00 • committed by Jiri Kosina

parent cb5cfd91a7

commit 572d3c6444

2 changed files with 46 additions and 2 deletions

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include/linux/i2c/i2c-hid.h

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