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Commit 5afdb009 authored by Amy Maloche's avatar Amy Maloche Committed by Abinaya P
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input: synaptics_fw_update: Add sysfs entry to expose Config ID 



Config ID is used to differentiate between different versions of
configuration data on the panel and is needed for debugging.

This patch is a propagated patch from 3.4 kernel
commit - d25bd8cb1b354ce33ecbc2cb5deb61c39a081823,
input: synaptics_fw_update: Add sysfs entry to expose Config ID

Change-Id: Iaa66ff8e328d0480d2e4ce4fc0d9f57434dc7b86
Signed-off-by: default avatarAmy Maloche <amaloche@codeaurora.org>
parent 65bdd3d2

drivers/input/touchscreen/synaptics_fw_update.c

+20 −0
Original line number Diff line number Diff line
@@ -135,6 +135,9 @@ static ssize_t fwu_sysfs_bl_config_block_count_show(struct device *dev, 
static ssize_t fwu_sysfs_disp_config_block_count_show(struct device *dev,

		struct device_attribute *attr, char *buf);



static ssize_t fwu_sysfs_config_id_show(struct device *dev,

		struct device_attribute *attr, char *buf);



static int fwu_wait_for_idle(int timeout_ms);



struct image_header {
@@ -289,6 +292,9 @@ static struct device_attribute attrs[] = { 
	__ATTR(dispconfigblockcount, S_IRUGO,

			fwu_sysfs_disp_config_block_count_show,

			synaptics_rmi4_store_error),

	__ATTR(config_id, S_IRUGO,

			fwu_sysfs_config_id_show,

			synaptics_rmi4_store_error),

};



static struct synaptics_rmi4_fwu_handle *fwu;
@@ -1519,6 +1525,20 @@ static ssize_t fwu_sysfs_disp_config_block_count_show(struct device *dev, 
	return snprintf(buf, PAGE_SIZE, "%u\n", fwu->disp_config_block_count);

}



static ssize_t fwu_sysfs_config_id_show(struct device *dev,

		struct device_attribute *attr, char *buf)

{

	unsigned char config_id[8];

	/* device config id */

	fwu->fn_ptr->read(fwu->rmi4_data,

				fwu->f34_fd.ctrl_base_addr,

				config_id,

				sizeof(config_id));



	return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",

		config_id[0], config_id[1], config_id[2], config_id[3]);

}



static void synaptics_rmi4_fwu_attn(struct synaptics_rmi4_data *rmi4_data,

		unsigned char intr_mask)

{