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wls_chg: add charger class interface

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Adding discrete charger symbol, to let wls4019 driver
could use interfaces in charger class. And the name of
main_charger is configured in dts file.

Change-Id: Ic74d77f6645c0b166feaafb3ee354b7d12323ccc
Reviewed-on: https://gerrit.mot.com/2255421
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
weiweij 2022-04-28 15:41:03 +08:00 • committed by Wei Wei
commit c3f1b7cdec
2 changed files with 18 additions and 33 deletions
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2
drivers/power/cps4019_wls_charger/Kbuild
View file

@ -5,4 +5,4 @@ EXTRA_CFLAGS += -I$(ANDROID_BUILD_TOP)/motorola/kernel/drivers/power/cps4019_wls
obj-m += cps4019_wls_charger.o
KBUILD_EXTRA_SYMBOLS += $(CURDIR)/$(KBUILD_EXTMOD)/../../mmi_info/$(GKI_OBJ_MODULE_DIR)/Module.symvers
KBUILD_EXTRA_SYMBOLS += $(CURDIR)/$(KBUILD_EXTMOD)/../mmi_discrete_charger/$(GKI_OBJ_MODULE_DIR)/Module.symvers

49
drivers/power/cps4019_wls_charger/cps4019_wls_charger.c
View file

@ -49,7 +49,7 @@
#include <linux/mmi_wake_lock.h>
#endif
#include <soc/qcom/mmi_boot_info.h>
#include <linux/mmi_discrete_charger_class.h>
#include "cps4019_wls_charger.h"
#include "cps4019_bl.h"
@ -131,6 +131,10 @@ struct cps_wls_chrg_chip {
int rx_neg_protocol;
int command_flag;
/*main charger*/
const char *main_charger_name;
struct charger_device *main_chg_dev;
/*fw relative*/
const char *wls_fw_name;
int fw_ver_major;
@ -194,6 +198,8 @@ static const struct regmap_config cps4019_regmap_32bit_config = {
.val_bits = 8,
};
extern bool mmi_is_factory_mode(void);
static int cps_wls_get_int_flag(void);
static int cps_wls_set_int_clr(int value);
static int cps_wls_get_chip_id(void);
@ -524,37 +530,6 @@ static int cps_set_power(bool en)
return CPS_WLS_SUCCESS;
}
static bool mmi_is_factory_mode(void)
{
struct device_node *np = of_find_node_by_path("/chosen");
bool factory_mode = false;
const char *bootargs = NULL;
char *bootmode = NULL;
char *end = NULL;
if (!strncmp(bi_bootmode(), "mot-factory", 11))
return true;
if (!np)
return factory_mode;
if (!of_property_read_string(np, "bootargs", &bootargs)) {
bootmode = strstr(bootargs, "androidboot.mode=");
if (bootmode) {
end = strpbrk(bootmode, " ");
bootmode = strpbrk(bootmode, "=");
}
if (bootmode &&
end > bootmode &&
strnstr(bootmode, "factory", end - bootmode)) {
factory_mode = true;
}
}
of_node_put(np);
return factory_mode;
}
static int fp_size(struct file *f)
{
int error = -EBADF;
@ -1368,6 +1343,9 @@ static int cps_wls_parse_dt(struct cps_wls_chrg_chip *chip)
return -EINVAL;
}
chip->main_charger_name = NULL;
of_property_read_string(node, "main-charger-name", &chip->main_charger_name);
chip->fw_ver_major = 0;
chip->fw_ver_minor = 0;
of_property_read_u32(node, "fw_ver_major", &chip->fw_ver_major);
@ -1529,6 +1507,13 @@ static int cps_wls_chrg_probe(struct i2c_client *client,
}
cps_wls_lock_work_init(chip);
if (chip->main_charger_name) {
chip->main_chg_dev = get_charger_by_name(chip->main_charger_name);
if (!chip->main_chg_dev) {
cps_wls_log(chip, "*** Error : can't find main charger %s***\n", chip->main_charger_name);
}
}
cps_wls_create_device_node(&(client->dev));
chip->otg_channel = devm_iio_channel_get(chip->dev, "otg_enable");