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SubjectRe: [PATCH] Input: elan_i2c - Support two physical button touchapd for elan_i2c
On Fri, Aug 18, 2017 at 05:47:16PM +0800, KT Liao wrote:
> Extend information accessing to get button setting information
> and support L/R button-pad for I2C touchpad
>
> Signed-off-by: KT Liao <kt.liao@emc.com.tw>

Applied, thank you.

> ---
> drivers/input/mouse/elan_i2c.h | 2 +-
> drivers/input/mouse/elan_i2c_core.c | 9 +++++++--
> drivers/input/mouse/elan_i2c_i2c.c | 13 ++++++++++++-
> drivers/input/mouse/elan_i2c_smbus.c | 4 +++-
> 4 files changed, 23 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
> index 61c2024..599544c 100644
> --- a/drivers/input/mouse/elan_i2c.h
> +++ b/drivers/input/mouse/elan_i2c.h
> @@ -58,7 +58,7 @@ struct elan_transport_ops {
>
> int (*get_version)(struct i2c_client *client, bool iap, u8 *version);
> int (*get_sm_version)(struct i2c_client *client,
> - u16 *ic_type, u8 *version);
> + u16 *ic_type, u8 *version, u8 *clickpad);
> int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
> int (*get_product_id)(struct i2c_client *client, u16 *id);
>
> diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
> index 0d111322..59baced 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -95,6 +95,7 @@ struct elan_tp_data {
> u8 min_baseline;
> u8 max_baseline;
> bool baseline_ready;
> + u8 clickpad;
> };
>
> static int elan_get_fwinfo(u16 ic_type, u16 *validpage_count,
> @@ -213,7 +214,7 @@ static int elan_query_product(struct elan_tp_data *data)
> return error;
>
> error = data->ops->get_sm_version(data->client, &data->ic_type,
> - &data->sm_version);
> + &data->sm_version, &data->clickpad);
> if (error)
> return error;
>
> @@ -923,6 +924,7 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
> }
>
> input_report_key(input, BTN_LEFT, tp_info & 0x01);
> + input_report_key(input, BTN_RIGHT, tp_info & 0x02);
> input_report_abs(input, ABS_DISTANCE, hover_event != 0);
> input_mt_report_pointer_emulation(input, true);
> input_sync(input);
> @@ -991,7 +993,10 @@ static int elan_setup_input_device(struct elan_tp_data *data)
>
> __set_bit(EV_ABS, input->evbit);
> __set_bit(INPUT_PROP_POINTER, input->propbit);
> - __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
> + if (data->clickpad)
> + __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
> + else
> + __set_bit(BTN_RIGHT, input->keybit);
> __set_bit(BTN_LEFT, input->keybit);
>
> /* Set up ST parameters */
> diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
> index 80172f2..15b1330 100644
> --- a/drivers/input/mouse/elan_i2c_i2c.c
> +++ b/drivers/input/mouse/elan_i2c_i2c.c
> @@ -288,7 +288,8 @@ static int elan_i2c_get_version(struct i2c_client *client,
> }
>
> static int elan_i2c_get_sm_version(struct i2c_client *client,
> - u16 *ic_type, u8 *version)
> + u16 *ic_type, u8 *version,
> + u8 *clickpad)
> {
> int error;
> u8 pattern_ver;
> @@ -317,6 +318,7 @@ static int elan_i2c_get_sm_version(struct i2c_client *client,
> return error;
> }
> *version = val[1];
> + *clickpad = val[0] & 0x10;
> } else {
> error = elan_i2c_read_cmd(client, ETP_I2C_OSM_VERSION_CMD, val);
> if (error) {
> @@ -326,6 +328,15 @@ static int elan_i2c_get_sm_version(struct i2c_client *client,
> }
> *version = val[0];
> *ic_type = val[1];
> +
> + error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,
> + val);
> + if (error) {
> + dev_err(&client->dev, "failed to get SM version: %d\n",
> + error);
> + return error;
> + }
> + *clickpad = val[0] & 0x10;
> }
>
> return 0;
> diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
> index df7a57c..29f9952 100644
> --- a/drivers/input/mouse/elan_i2c_smbus.c
> +++ b/drivers/input/mouse/elan_i2c_smbus.c
> @@ -166,7 +166,8 @@ static int elan_smbus_get_version(struct i2c_client *client,
> }
>
> static int elan_smbus_get_sm_version(struct i2c_client *client,
> - u16 *ic_type, u8 *version)
> + u16 *ic_type, u8 *version,
> + u8 *clickpad)
> {
> int error;
> u8 val[3];
> @@ -180,6 +181,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
>
> *version = val[0];
> *ic_type = val[1];
> + *clickpad = val[0] & 0x10;
> return 0;
> }
>
> --
> 2.7.4
>

--
Dmitry

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