Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6751d8b9 authored by Fei Mao's avatar Fei Mao
Browse files

input: touchscreen: synaptics_dsx_2.6: reset device when resume 



For SDW2500 device, don't need to reset device when resume. But
for other projects which use same touch IC, we must reset device;
otherwise the touch IC will not work well.

Change-Id: Ie367bf95366cd8c9f8b63dc013a751a1d5073077
Signed-off-by: default avatarFei Mao <feim1@codeaurora.org>
parent f079d288

drivers/input/touchscreen/synaptics_dsx_2.6/synaptics_dsx_core.c

+11 −7
Original line number Diff line number Diff line
@@ -66,6 +66,9 @@ 


#define IGNORE_FN_INIT_FAILURE



#define FB_READY_RESET

#define SDW2500_I2C_ADDR 0x20



#define FB_READY_WAIT_MS 100

#define FB_READY_TIMEOUT_S 30
@@ -4731,7 +4734,6 @@ static int synaptics_rmi4_resume(struct device *dev) 
#ifdef FB_READY_RESET

	int retval;

#endif

	int retval;

	struct synaptics_rmi4_exp_fhandler *exp_fhandler;

	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
@@ -4777,12 +4779,14 @@ static int synaptics_rmi4_resume(struct device *dev) 


exit:

 #ifdef FB_READY_RESET

	if (rmi4_data->hw_if->board_data->i2c_addr != SDW2500_I2C_ADDR) {

		retval = synaptics_rmi4_reset_device(rmi4_data, false);

		if (retval < 0) {

			dev_err(rmi4_data->pdev->dev.parent,

					"%s: Failed to issue reset command\n",

					__func__);

		}

	}

#endif

	mutex_lock(&exp_data.mutex);

	if (!list_empty(&exp_data.list)) {