93 lines
2.7 KiB
Diff
93 lines
2.7 KiB
Diff
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Dump all known registers of the SMB1360 battery/charging chip.
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The same output can be generated with the mainline driver which allows verifying
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if all the registers are set correctly.
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diff --git a/drivers/power/Makefile b/drivers/power/Makefile
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index b8ae7ae0ef7..b88d1905a3c 100644
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--- a/drivers/power/Makefile
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+++ b/drivers/power/Makefile
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@@ -1,6 +1,7 @@
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ccflags-$(CONFIG_POWER_SUPPLY_DEBUG) := -DDEBUG
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power_supply-y := power_supply_core.o
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+power_supply-y += smb1360-dump.o
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power_supply-$(CONFIG_SYSFS) += power_supply_sysfs.o
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power_supply-$(CONFIG_LEDS_TRIGGERS) += power_supply_leds.o
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diff --git a/drivers/power/smb1360-charger-fg.c b/drivers/power/smb1360-charger-fg.c
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index 7931b6df9be..249b9825550 100644
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--- a/drivers/power/smb1360-charger-fg.c
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+++ b/drivers/power/smb1360-charger-fg.c
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@@ -4347,12 +4347,50 @@ static int smb1360_hw_init(struct smb1360_chip *chip)
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return rc;
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}
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+extern void smb1360_dump(struct i2c_client *client);
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+extern void smb1360_dump_fg_scratch(struct i2c_client *fg_client);
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+extern void smb1360_dump_fg(struct i2c_client *client);
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+
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+static void smb1360_dump_locked(struct smb1360_chip *chip)
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+{
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+ mutex_lock(&chip->read_write_lock);
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+ smb1360_dump(chip->client);
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+ mutex_unlock(&chip->read_write_lock);
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+}
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+
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+static void smb1360_dump_fg_access(struct smb1360_chip *chip)
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+{
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+ int ret;
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+
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+ ret = smb1360_enable_fg_access(chip);
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+ if (ret)
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+ return;
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+
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+ mutex_lock(&chip->read_write_lock);
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+ smb1360_dump_fg_scratch(chip->client);
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+
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+ /* Do cool hacks to access FG I2C address instead */
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+ chip->fg_access_type = FG_ACCESS_CFG;
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+ smb1360_select_fg_i2c_address(chip);
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+
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+ chip->client->addr = chip->fg_i2c_addr;
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+ smb1360_dump_fg(chip->client);
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+ chip->client->addr = chip->default_i2c_addr;
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+ mutex_unlock(&chip->read_write_lock);
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+
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+ smb1360_disable_fg_access(chip);
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+ smb1360_check_cycle_stretch(chip);
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+}
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+
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static int smb1360_delayed_hw_init(struct smb1360_chip *chip)
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{
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int rc;
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pr_debug("delayed hw init start!\n");
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+ /* Dump initial FG registers */
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+ smb1360_dump_fg_access(chip);
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+
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if (chip->otp_hard_jeita_config) {
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rc = smb1360_hard_jeita_otp_init(chip);
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if (rc) {
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@@ -4386,6 +4424,10 @@ static int smb1360_delayed_hw_init(struct smb1360_chip *chip)
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}
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pr_debug("delayed hw init complete!\n");
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+
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+ /* Dump final registers */
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+ smb1360_dump_locked(chip);
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+ smb1360_dump_fg_access(chip);
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return rc;
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}
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@@ -4945,6 +4987,9 @@ static int smb1360_probe(struct i2c_client *client,
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INIT_WORK(&chip->jeita_hysteresis_work,
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smb1360_jeita_hysteresis_work);
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+ /* Dump initial registers */
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+ smb1360_dump_locked(chip);
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+
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pr_debug("default_i2c_addr=%x\n", chip->default_i2c_addr);
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smb1360_otp_backup_pool_init(chip);
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rc = smb1360_hw_init(chip);
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