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Commit c6bd9d46 authored by Daniel Kurtz's avatar Daniel Kurtz Committed by Dmitry Torokhov
Browse files

Input: synaptics - print firmware ID and board number at init 



Read the Firmware ID and Board Number from a synaptics device at init
and display them in the system log.

Device behavior is very board and firmware dependent.
It may prove useful for users to include this information when providing
bug reports or other feedback.

Signed-off-by: default avatarDaniel Kurtz <djkurtz@chromium.org>
Acked-by: default avatarHenrik Rydberg <rydberg@euromail.se>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 98e4d4d6

drivers/input/mouse/synaptics.c

+36 −2
Original line number Diff line number Diff line
@@ -138,6 +138,35 @@ static int synaptics_model_id(struct psmouse *psmouse) 
	return 0;

}



/*

 * Read the board id from the touchpad

 * The board id is encoded in the "QUERY MODES" response

 */

static int synaptics_board_id(struct psmouse *psmouse)

{

	struct synaptics_data *priv = psmouse->private;

	unsigned char bid[3];



	if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid))

		return -1;

	priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1];

	return 0;

}



/*

 * Read the firmware id from the touchpad

 */

static int synaptics_firmware_id(struct psmouse *psmouse)

{

	struct synaptics_data *priv = psmouse->private;

	unsigned char fwid[3];



	if (synaptics_send_cmd(psmouse, SYN_QUE_FIRMWARE_ID, fwid))

		return -1;

	priv->firmware_id = (fwid[0] << 16) | (fwid[1] << 8) | fwid[2];

	return 0;

}



/*

 * Read the capability-bits from the touchpad

 * see also the SYN_CAP_* macros
@@ -261,6 +290,10 @@ static int synaptics_query_hardware(struct psmouse *psmouse) 
		return -1;

	if (synaptics_model_id(psmouse))

		return -1;

	if (synaptics_firmware_id(psmouse))

		return -1;

	if (synaptics_board_id(psmouse))

		return -1;

	if (synaptics_capability(psmouse))

		return -1;

	if (synaptics_resolution(psmouse))
@@ -1435,11 +1468,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) 
	priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS;



	psmouse_info(psmouse,

		     "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n",

		     "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n",

		     SYN_ID_MODEL(priv->identity),

		     SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity),

		     priv->model_id,

		     priv->capabilities, priv->ext_cap, priv->ext_cap_0c);

		     priv->capabilities, priv->ext_cap, priv->ext_cap_0c,

		     priv->board_id, priv->firmware_id);



	set_input_params(psmouse->dev, priv);

drivers/input/mouse/synaptics.h

+3 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#define SYN_QUE_SERIAL_NUMBER_SUFFIX	0x07

#define SYN_QUE_RESOLUTION		0x08

#define SYN_QUE_EXT_CAPAB		0x09

#define SYN_QUE_FIRMWARE_ID		0x0a

#define SYN_QUE_EXT_CAPAB_0C		0x0c

#define SYN_QUE_EXT_MAX_COORDS		0x0d

#define SYN_QUE_EXT_MIN_COORDS		0x0f
@@ -148,6 +149,8 @@ struct synaptics_hw_state { 
struct synaptics_data {

	/* Data read from the touchpad */

	unsigned long int model_id;		/* Model-ID */

	unsigned long int firmware_id;		/* Firmware-ID */

	unsigned long int board_id;		/* Board-ID */

	unsigned long int capabilities;		/* Capabilities */

	unsigned long int ext_cap;		/* Extended Capabilities */

	unsigned long int ext_cap_0c;		/* Ext Caps from 0x0c query */