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power: check the factory image from bootarg in dts

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Check the factory image in bootarg in dts so that it can make decision
the first time when the driver is loaded making charging limitation
policy take effect immediately.

Change-Id: I3eb32d3cd252ad9abffab70aa249b41925f325e2
Signed-off-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1385578
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Haijian Ma <mahj8@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Yonghua Yan 2019-07-13 13:42:13 +08:00
commit 19811209d1
1 changed files with 30 additions and 5 deletions
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35
drivers/power/qpnp-smbcharger-mmi/qpnp-smbcharger-mmi.c
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@ -25,6 +25,7 @@
#include <linux/workqueue.h>
#include <linux/ipc_logging.h>
#include <linux/debugfs.h>
#include <linux/string.h>
#define mmi_err(chg, fmt, ...) \
do { \
@ -1193,14 +1194,38 @@ static DEVICE_ATTR(force_chg_itrick, 0664,
force_chg_itrick_show,
force_chg_itrick_store);
static bool mmi_factory_check(void)
enum {
MMI_FACTORY_MODE,
MMI_FACTORY_BUILD,
};
static bool mmi_factory_check(int type)
{
struct device_node *np = of_find_node_by_path("/chosen");
bool factory = false;
const char *bootargs = NULL;
char *bl_version = NULL;
if (np)
factory = of_property_read_bool(np, "mmi,factory-cable");
if (!np)
return factory;
switch (type) {
case MMI_FACTORY_MODE:
factory = of_property_read_bool(np,
"mmi,factory-cable");
break;
case MMI_FACTORY_BUILD:
if (!of_property_read_string(np,
"bootargs", &bootargs)) {
bl_version = strstr(bootargs,
"androidboot.bootloader=");
if (bl_version && strstr(bl_version, "factory"))
factory = true;
}
break;
default:
factory = false;
}
of_node_put(np);
return factory;
@ -3730,8 +3755,8 @@ static int smb_mmi_probe(struct platform_device *pdev)
mmi_err(chip, "Could not set HVDCP pulse count max\n");
}
chip->factory_mode = mmi_factory_check();
chip->is_factory_image = false;
chip->factory_mode = mmi_factory_check(MMI_FACTORY_MODE);
chip->is_factory_image = mmi_factory_check(MMI_FACTORY_BUILD);
chip->charging_limit_modes = CHARGING_LIMIT_UNKNOWN;
if (chip->dc_cl_ma >= 0) {