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power: cw2217 introduce mutil-battery parameter func

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1.if find utag battid,check and find utag_battid parameter,if check fail
  use default batt parameter.
2.if no utag battid,use dts default id.

Change-Id: I0c56fdd0c1770a4291ebb1811118bdb7035cd624
Signed-off-by: liuyc20 <liuyc20@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2081363
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Haijian Ma <mahj8@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
liuyc20 2021-10-01 12:47:07 +08:00 • committed by Yuecai Liu
commit 1ad7af50ba
1 changed files with 113 additions and 1 deletions
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114
drivers/power/cw2217b_fg_mmi/cw2217B_fuel_gauge_base.c
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@ -85,6 +85,12 @@
else {} \
}
#define cw_info(fmt, arg...) \
printk("FG_CW2217 : %s-%d : " fmt, __FUNCTION__ ,__LINE__,##arg)
static unsigned char config_profile_info[SIZE_OF_PROFILE] = {0};
/*
static unsigned char config_profile_info[SIZE_OF_PROFILE] = {
0x5A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xA6,0xB1,0xB2,0xCE,0xC1,0xC1,0x9E,0x5F,
@ -97,7 +103,7 @@ static unsigned char config_profile_info[SIZE_OF_PROFILE] = {
0x00,0x00,0x64,0x26,0xD3,0x51,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x94,
};
*/
struct cw_battery {
struct i2c_client *client;
@ -669,6 +675,106 @@ static void cw_bat_work(struct work_struct *work)
queue_delayed_work(cw_bat->cwfg_workqueue, &cw_bat->battery_delay_work, msecs_to_jiffies(queue_delayed_work_time));
}
static const char *cw_get_battery_serialnumber(void)
{
struct device_node *np = of_find_node_by_path("/chosen");
const char *battsn_buf;
int retval;
battsn_buf = NULL;
if (np)
retval = of_property_read_string(np, "mmi,battid",
&battsn_buf);
else
return NULL;
if ((retval == -EINVAL) || !battsn_buf) {
cw_info(" Battsn unused\n");
of_node_put(np);
return NULL;
} else
cw_info("Battsn = %s\n", battsn_buf);
of_node_put(np);
return battsn_buf;
}
static struct device_node *cw_get_profile_by_serialnumber(
const struct device_node *np)
{
struct device_node *node, *df_node, *sn_node;
const char *sn_buf, *df_sn, *dev_sn;
int rc;
if (!np)
return NULL;
dev_sn = NULL;
df_sn = NULL;
sn_buf = NULL;
df_node = NULL;
sn_node = NULL;
dev_sn = cw_get_battery_serialnumber();
rc = of_property_read_string(np, "df-serialnum",
&df_sn);
if (rc)
cw_info("No Default Serial Number defined\n");
else if (df_sn)
cw_info("Default Serial Number %s\n", df_sn);
for_each_child_of_node(np, node) {
rc = of_property_read_string(node, "serialnum",
&sn_buf);
if (!rc && sn_buf) {
if (dev_sn)
if (strnstr(dev_sn, sn_buf, 32))
sn_node = node;
if (df_sn)
if (strnstr(df_sn, sn_buf, 32))
df_node = node;
}
}
if (sn_node) {
node = sn_node;
df_node = NULL;
cw_info("Battery Match Found using %s\n", sn_node->name);
} else if (df_node) {
node = df_node;
sn_node = NULL;
cw_info("Battery Match Found using default %s\n",
df_node->name);
} else {
cw_info("No Battery Match Found!\n");
return NULL;
}
return node;
}
static int cw_parse_dts(struct cw_battery *cw_bat)
{
struct device_node *np = cw_bat->client->dev.of_node;
struct device_node *batt_profile_node = NULL;
int rc;
int i = 0;
batt_profile_node = cw_get_profile_by_serialnumber(np);
if (!batt_profile_node)
return -1;
rc = of_property_read_u8_array(batt_profile_node, "config_profile_info", config_profile_info, SIZE_OF_PROFILE);
if (rc < 0)
cw_info("error,get profile_info fail from dts,exit \n");
return rc;
}
#ifdef CW_PROPERTIES
static int cw_battery_set_property(struct power_supply *psy,
enum power_supply_property psp,
@ -772,6 +878,12 @@ static int cw2217_probe(struct i2c_client *client, const struct i2c_device_id *i
i2c_set_clientdata(client, cw_bat);
cw_bat->client = client;
ret = cw_parse_dts(cw_bat);
if (ret) {
printk("%s : cw2217 prase dts fail!\n", __func__);
return ret;
}
ret = cw_init(cw_bat);
while ((loop++ < CW_RETRY_COUNT) && (ret != 0)) {
msleep(CW_SLEEP_200MS);