On Mon, 19 Sep 2016, Kai-Heng Feng wrote:
> The stick device does not work after resume, add U1_SP_ABS_MODE flag can
> make the device work after resume.
Do you happen to have any more details on why it doesn't work without
U1_SP_ABS_MODE? Or was this a pure guesswork?
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
> ---
> drivers/hid/hid-alps.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
> index 048befd..390f8d3 100644
> --- a/drivers/hid/hid-alps.c
> +++ b/drivers/hid/hid-alps.c
> @@ -244,13 +244,13 @@ static int alps_raw_event(struct hid_device *hdev,
> static int alps_post_reset(struct hid_device *hdev)
> {
> return u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
> - NULL, U1_TP_ABS_MODE, false);
> + NULL, U1_TP_ABS_MODE | U1_SP_ABS_MODE, false);
> }
>
> static int alps_post_resume(struct hid_device *hdev)
> {
> return u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
> - NULL, U1_TP_ABS_MODE, false);
> + NULL, U1_TP_ABS_MODE | U1_SP_ABS_MODE, false);
> }
> #endif /* CONFIG_PM */
--
Jiri Kosina
SUSE Labs
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