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Date: Wed, 15 Jun 2016 11:28:36 +0200
From: Benjamin Tissoires <benjamin.tissoires@...hat.com>
To: Andrew Duggan <aduggan@...aptics.com>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
Jiri Kosina <jikos@...nel.org>,
Vincent Huang <vincent.huang@...synaptics.com>,
Nick Dyer <nick.dyer@...ev.co.uk>
Subject: Re: [PATCH 2/7] Input: synaptics-rmi4: Add parameters for dribble
packets and palm detect gesture
On Jun 03 2016 or thereabouts, Andrew Duggan wrote:
> The rmi_f11 driver currently disables dribble packets and the palm detect
> gesture for all devices. This patch creates a parameter in the 2d sensor
> platform data for controlling this functionality on a per device basis.
>
> For more information on dribble packets:
> Commit 05ba999fcabb ("HID: rmi: disable dribble packets on Synaptics
> touchpads")
>
> For more information on the palm detect gesture:
> Commit f097deef59a6 ("HID: rmi: disable palm detect gesture when present")
>
> Signed-off-by: Andrew Duggan <aduggan@...aptics.com>
> ---
> drivers/input/rmi4/rmi_2d_sensor.h | 2 ++
> drivers/input/rmi4/rmi_f01.c | 6 +++---
> drivers/input/rmi4/rmi_f11.c | 32 ++++++++++++++++++++++++++++----
> include/linux/rmi.h | 21 +++++++++++++--------
> 4 files changed, 46 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/input/rmi4/rmi_2d_sensor.h b/drivers/input/rmi4/rmi_2d_sensor.h
> index 77fcdfe..a9de0fb 100644
> --- a/drivers/input/rmi4/rmi_2d_sensor.h
> +++ b/drivers/input/rmi4/rmi_2d_sensor.h
> @@ -67,6 +67,8 @@ struct rmi_2d_sensor {
> u8 report_rel;
> u8 x_mm;
> u8 y_mm;
> + int dribble;
> + int palm_detect;
These 2 fields should probably be "enum rmi_reg_state", not int.
The rest looks fine. With this amended:
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cheers,
Benjamin
> };
>
> int rmi_2d_sensor_of_probe(struct device *dev,
> diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
> index fac81fc..2cfa9f6 100644
> --- a/drivers/input/rmi4/rmi_f01.c
> +++ b/drivers/input/rmi4/rmi_f01.c
> @@ -327,12 +327,12 @@ static int rmi_f01_probe(struct rmi_function *fn)
> }
>
> switch (pdata->power_management.nosleep) {
> - case RMI_F01_NOSLEEP_DEFAULT:
> + case RMI_REG_STATE_DEFAULT:
> break;
> - case RMI_F01_NOSLEEP_OFF:
> + case RMI_REG_STATE_OFF:
> f01->device_control.ctrl0 &= ~RMI_F01_CTRL0_NOSLEEP_BIT;
> break;
> - case RMI_F01_NOSLEEP_ON:
> + case RMI_REG_STATE_ON:
> f01->device_control.ctrl0 |= RMI_F01_CTRL0_NOSLEEP_BIT;
> break;
> }
> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
> index ec8a10d..e691432 100644
> --- a/drivers/input/rmi4/rmi_f11.c
> +++ b/drivers/input/rmi4/rmi_f11.c
> @@ -1125,6 +1125,8 @@ static int rmi_f11_initialize(struct rmi_function *fn)
> sensor->topbuttonpad = f11->sensor_pdata.topbuttonpad;
> sensor->kernel_tracking = f11->sensor_pdata.kernel_tracking;
> sensor->dmax = f11->sensor_pdata.dmax;
> + sensor->dribble = f11->sensor_pdata.dribble;
> + sensor->palm_detect = f11->sensor_pdata.palm_detect;
>
> if (f11->sens_query.has_physical_props) {
> sensor->x_mm = f11->sens_query.x_sensor_size_mm;
> @@ -1192,11 +1194,33 @@ static int rmi_f11_initialize(struct rmi_function *fn)
> ctrl->ctrl0_11[RMI_F11_DELTA_Y_THRESHOLD] =
> sensor->axis_align.delta_y_threshold;
>
> - if (f11->sens_query.has_dribble)
> - ctrl->ctrl0_11[0] = ctrl->ctrl0_11[0] & ~BIT(6);
> + if (f11->sens_query.has_dribble) {
> + switch (sensor->dribble) {
> + case RMI_REG_STATE_OFF:
> + ctrl->ctrl0_11[0] = ctrl->ctrl0_11[0] & ~BIT(6);
> + break;
> + case RMI_REG_STATE_ON:
> + ctrl->ctrl0_11[0] = ctrl->ctrl0_11[0] | BIT(6);
> + break;
> + case RMI_REG_STATE_DEFAULT:
> + default:
> + break;
> + }
> + }
>
> - if (f11->sens_query.has_palm_det)
> - ctrl->ctrl0_11[11] = ctrl->ctrl0_11[11] & ~BIT(0);
> + if (f11->sens_query.has_palm_det) {
> + switch (sensor->palm_detect) {
> + case RMI_REG_STATE_OFF:
> + ctrl->ctrl0_11[11] = ctrl->ctrl0_11[11] & ~BIT(0);
> + break;
> + case RMI_REG_STATE_ON:
> + ctrl->ctrl0_11[11] = ctrl->ctrl0_11[11] & BIT(0);
> + break;
> + case RMI_REG_STATE_DEFAULT:
> + default:
> + break;
> + }
> + }
>
> rc = f11_write_control_regs(fn, &f11->sens_query,
> &f11->dev_controls, fn->fd.query_base_addr);
> diff --git a/include/linux/rmi.h b/include/linux/rmi.h
> index e0aca14..bda72f2 100644
> --- a/include/linux/rmi.h
> +++ b/include/linux/rmi.h
> @@ -99,6 +99,8 @@ struct rmi_2d_sensor_platform_data {
> bool topbuttonpad;
> bool kernel_tracking;
> int dmax;
> + int dribble;
> + int palm_detect;
> };
>
> /**
> @@ -116,14 +118,17 @@ struct rmi_f30_data {
> bool disable;
> };
>
> -/**
> - * struct rmi_f01_power - override default power management settings.
> - *
> +
> +/*
> + * Set the state of a register
> + * DEFAULT - use the default value set by the firmware config
> + * OFF - explicitly disable the register
> + * ON - explicitly enable the register
> */
> -enum rmi_f01_nosleep {
> - RMI_F01_NOSLEEP_DEFAULT = 0,
> - RMI_F01_NOSLEEP_OFF = 1,
> - RMI_F01_NOSLEEP_ON = 2
> +enum rmi_reg_state {
> + RMI_REG_STATE_DEFAULT = 0,
> + RMI_REG_STATE_OFF = 1,
> + RMI_REG_STATE_ON = 2
> };
>
> /**
> @@ -143,7 +148,7 @@ enum rmi_f01_nosleep {
> * when the touch sensor is in doze mode, in units of 10ms.
> */
> struct rmi_f01_power_management {
> - enum rmi_f01_nosleep nosleep;
> + enum rmi_reg_state nosleep;
> u8 wakeup_threshold;
> u8 doze_holdoff;
> u8 doze_interval;
> --
> 2.5.0
>
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