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Commit 477dac8a authored by Vishnuvardhan Prodduturi's avatar Vishnuvardhan Prodduturi
Browse files

input: touchscreen: Add support for kernel command line parsing 



Add support for kernel command line parsing in synaptic touch
screen driver. This enables dynamic touch driver selection for
a given target.

Change-Id: I9ba7b2162a6adad1eebae481c36d50f5804de9ad
Signed-off-by: default avatarVishnuvardhan Prodduturi <vproddut@codeaurora.org>
parent 8f24df85

drivers/input/touchscreen/synaptics_tcm/synaptics_tcm_i2c.c

+8 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <linux/i2c.h>

#include <linux/of_gpio.h>

#include "synaptics_tcm_core.h"

#include "linux/moduleparam.h"



#define XFER_ATTEMPTS 10
@@ -46,6 +47,8 @@ static struct syna_tcm_hw_interface hw_if; 


static struct platform_device *syna_tcm_i2c_device;



active_tp_setup(synaptics_tcm);



#ifdef CONFIG_OF

static int parse_dt(struct device *dev, struct syna_tcm_board_data *bdata)

{
@@ -398,6 +401,11 @@ static int syna_tcm_i2c_probe(struct i2c_client *i2c, 
		const struct i2c_device_id *dev_id)

{

	int retval;

	struct device_node *dt = i2c->dev.of_node;



	if (synaptics_tcm_check_assigned_tp(dt, "compatible",

				"qcom,i2c-touch-active") < 0)

		return -ENODEV;



	syna_tcm_i2c_device = platform_device_alloc(PLATFORM_DRIVER_NAME, 0);

	if (!syna_tcm_i2c_device) {