linux-kernel - Re: [PATCH v2 12/49] Input: atmel_mxt_ts - add debug for T92 gesture and T93 touch seq msgs

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Date:   Thu, 29 Aug 2019 16:24:00 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Jiada Wang <jiada_wang@...tor.com>
Cc:     nick@...anahar.org, dmitry.torokhov@...il.com,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        george_davis@...tor.com
Subject: Re: [PATCH v2 12/49] Input: atmel_mxt_ts - add debug for T92 gesture
 and T93 touch seq msgs

On Tue, Aug 27, 2019 at 03:27:19PM +0900, Jiada Wang wrote:
> From: Karl Tsou <karl.funlab@...il.com>

This description is a little brief.

> 
> Signed-off-by: Nick Dyer <nick.dyer@...ev.co.uk>
> (cherry picked from ndyer/linux/for-upstream commit cb98986f8342107bf4a536aed4160b20839e97c1)
> Signed-off-by: George G. Davis <george_davis@...tor.com>
> Signed-off-by: Jiada Wang <jiada_wang@...tor.com>
> ---
>  drivers/input/touchscreen/atmel_mxt_ts.c | 40 ++++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index 4e237209cb34..26861252c088 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -71,6 +71,8 @@
>  #define MXT_SPT_MESSAGECOUNT_T44	44
>  #define MXT_SPT_CTECONFIG_T46		46
>  #define MXT_SPT_DYNAMICCONFIGURATIONCONTAINER_T71 71
> +#define MXT_PROCI_SYMBOLGESTUREPROCESSOR	92
> +#define MXT_PROCI_TOUCHSEQUENCELOGGER	93
>  #define MXT_TOUCH_MULTITOUCHSCREEN_T100 100
>  #define MXT_PROCI_ACTIVESTYLUS_T107	107
>  
> @@ -349,6 +351,10 @@ struct mxt_data {
>  	u8 T42_reportid_max;
>  	u16 T44_address;
>  	u8 T48_reportid;
> +	u16 T92_address;
> +	u8 T92_reportid;
> +	u16 T93_address;
> +	u8 T93_reportid;
>  	u8 T100_reportid_min;
>  	u8 T100_reportid_max;
>  	u16 T107_address;
> @@ -1113,6 +1119,24 @@ static int mxt_proc_t48_messages(struct mxt_data *data, u8 *msg)
>  	return 0;
>  }
>  
> +static void mxt_proc_t92_messages(struct mxt_data *data, u8 *msg)
> +{
> +	struct device *dev = &data->client->dev;
> +	u8 status = msg[1];
> +
> +	dev_info(dev, "T92 long stroke LSTR=%d %d\n",
> +		 (status & 0x80) ? 1 : 0,
> +		 status & 0x0F);

Shouldn't this be dev_dbg().


> +}
> +
> +static void mxt_proc_t93_messages(struct mxt_data *data, u8 *msg)
> +{
> +	struct device *dev = &data->client->dev;
> +	u8 status = msg[1];
> +
> +	dev_info(dev, "T93 report double tap %d\n", status);

Ditto.


Daniel.

> +}
> +
>  static int mxt_proc_message(struct mxt_data *data, u8 *message)
>  {
>  	u8 report_id = message[0];
> @@ -1145,6 +1169,10 @@ static int mxt_proc_message(struct mxt_data *data, u8 *message)
>  	} else if (report_id >= data->T15_reportid_min
>  		   && report_id <= data->T15_reportid_max) {
>  		mxt_proc_t15_messages(data, message);
> +	} else if (report_id == data->T92_reportid) {
> +		mxt_proc_t92_messages(data, message);
> +	} else if (report_id == data->T93_reportid) {
> +		mxt_proc_t93_messages(data, message);
>  	} else {
>  		mxt_dump_message(data, message);
>  	}
> @@ -1814,6 +1842,10 @@ static void mxt_free_object_table(struct mxt_data *data)
>  	data->T42_reportid_max = 0;
>  	data->T44_address = 0;
>  	data->T48_reportid = 0;
> +	data->T92_reportid = 0;
> +	data->T92_address = 0;
> +	data->T93_reportid = 0;
> +	data->T93_address = 0;
>  	data->T100_reportid_min = 0;
>  	data->T100_reportid_max = 0;
>  	data->max_reportid = 0;
> @@ -1906,6 +1938,14 @@ static int mxt_parse_object_table(struct mxt_data *data,
>  		case MXT_PROCG_NOISESUPPRESSION_T48:
>  			data->T48_reportid = min_id;
>  			break;
> +		case MXT_PROCI_SYMBOLGESTUREPROCESSOR:
> +			data->T92_reportid = min_id;
> +			data->T92_address = object->start_address;
> +			break;
> +		case MXT_PROCI_TOUCHSEQUENCELOGGER:
> +			data->T93_reportid = min_id;
> +			data->T93_address = object->start_address;
> +			break;
>  		case MXT_TOUCH_MULTITOUCHSCREEN_T100:
>  			data->multitouch = MXT_TOUCH_MULTITOUCHSCREEN_T100;
>  			data->T100_reportid_min = min_id;
> -- 
> 2.19.2
>