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SubjectRe: [PATCH] HID: google: Enable PM Full On mode when adjusting backlight
On Wed, 28 Mar 2018, Nicolas Boichat wrote:

> From: Haridhar Kalvala <>
> hammer LED backlight brightness is not getting set when USB
> device is in suspend state.
> This patch fixes the issue by requesting USB HID device to be
> in FULLON mode, so that sending hardware output report and
> hardware raw request won't fail to set brightness, and set
> device back to NORMAL mode once this call returns.
> Signed-off-by: Haridhar Kalvala <>
> Reviewed-by: Dmitry Torokhov <>
> Signed-off-by: Nicolas Boichat <>

Applied to for-4.17/google-hammer. Thanks,

Jiri Kosina

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