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focaltech_0_flash_mmi: Add fts_reg_raw sys entry

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TP:
Add a sys entry that can read raw register value.

Change-Id: I437ada8649e3838e233d40384b68019cecb3600f
Signed-off-by: haojl2 <haojl2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1379281
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
haojl2 2019-06-28 10:56:57 +08:00 • committed by Jialei Hao
commit 2bf8b17e78
1 changed files with 31 additions and 0 deletions
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31
drivers/input/touchscreen/focaltech_0flash_mmi/focaltech_ex_fun.c
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@ -797,6 +797,35 @@ static ssize_t fts_tprwreg_show(
return count;
}
/* fts_reg_raw */
static ssize_t fts_tprwreg_raw_show(
struct device *dev, struct device_attribute *attr, char *buf)
{
int count = 0;
struct input_dev *input_dev = fts_data->input_dev;
mutex_lock(&input_dev->mutex);
if (rw_op.len < 0) {
count = snprintf(buf, PAGE_SIZE, "Invalid cmd line\n");
} else if (rw_op.len == 1) {
if (RWREG_OP_READ == rw_op.type) {
if (rw_op.res == 0) {
buf[0] = (char)rw_op.val;
count = 1;
}
}
} else {
if (RWREG_OP_READ == rw_op.type) {
memcpy(buf, rw_op.opbuf, rw_op.len);
count = rw_op.len;
}
}
mutex_unlock(&input_dev->mutex);
return count;
}
static int shex_to_int(const char *hex_buf, int size)
{
int i;
@ -1255,6 +1284,7 @@ static DEVICE_ATTR(fts_fw_version, S_IRUGO | S_IWUSR, fts_tpfwver_show, fts_tpfw
* cat rw_reg
*/
static DEVICE_ATTR(fts_rw_reg, S_IRUGO | S_IWUSR, fts_tprwreg_show, fts_tprwreg_store);
static DEVICE_ATTR(fts_reg_raw, S_IRUGO, fts_tprwreg_raw_show, NULL);
/* upgrade from fw bin file example:echo "*.bin" > fts_upgrade_bin */
static DEVICE_ATTR(fts_upgrade_bin, S_IRUGO | S_IWUSR, fts_fwupgradebin_show, fts_fwupgradebin_store);
static DEVICE_ATTR(fts_force_upgrade, S_IRUGO | S_IWUSR, fts_fwforceupg_show, fts_fwforceupg_store);
@ -1278,6 +1308,7 @@ static DEVICE_ATTR(productinfo, S_IRUGO, fts_productinfo_show, NULL);
static struct attribute *fts_attributes[] = {
&dev_attr_fts_fw_version.attr,
&dev_attr_fts_rw_reg.attr,
&dev_attr_fts_reg_raw.attr,
&dev_attr_fts_dump_reg.attr,
&dev_attr_fts_upgrade_bin.attr,
&dev_attr_fts_force_upgrade.attr,