[PATCH 2/3] power: bq24735-charger: add 'ti,external-control' option
From: Jonathan Tinkham <hidden>
Date: 2016-02-03 06:03:45
Also in:
linux-pm
Subsystem:
power supply class/subsystem and drivers, the rest · Maintainers:
Sebastian Reichel, Linus Torvalds
Implement an 'ti,external-control' option for when the charger shouldn't be configured by the host. Signed-off-by: Jonathan Tinkham <redacted> --- drivers/power/bq24735-charger.c | 11 +++++++++++ include/linux/power/bq24735-charger.h | 2 ++ 2 files changed, 13 insertions(+)
diff --git a/drivers/power/bq24735-charger.c b/drivers/power/bq24735-charger.c
index f041c16..96afcc1 100644
--- a/drivers/power/bq24735-charger.c
+++ b/drivers/power/bq24735-charger.c@@ -90,6 +90,9 @@ static int bq24735_update_word(struct i2c_client *client, u8 reg, static inline int bq24735_enable_charging(struct bq24735 *charger) { + if (charger->pdata->ext_control) + return 0; + return bq24735_update_word(charger->client, BQ24735_CHG_OPT, BQ24735_CHG_OPT_CHARGE_DISABLE, ~BQ24735_CHG_OPT_CHARGE_DISABLE);
@@ -97,6 +100,9 @@ static inline int bq24735_enable_charging(struct bq24735 *charger) static inline int bq24735_disable_charging(struct bq24735 *charger) { + if (charger->pdata->ext_control) + return 0; + return bq24735_update_word(charger->client, BQ24735_CHG_OPT, BQ24735_CHG_OPT_CHARGE_DISABLE, BQ24735_CHG_OPT_CHARGE_DISABLE);
@@ -108,6 +114,9 @@ static int bq24735_config_charger(struct bq24735 *charger) int ret; u16 value; + if (pdata->ext_control) + return 0; + if (pdata->charge_current) { value = pdata->charge_current & BQ24735_CHARGE_CURRENT_MASK;
@@ -239,6 +248,8 @@ static struct bq24735_platform *bq24735_parse_dt_data(struct i2c_client *client) if (!ret) pdata->input_current = val; + pdata->ext_control = of_property_read_bool(np, "ti,external-control"); + return pdata; }
diff --git a/include/linux/power/bq24735-charger.h b/include/linux/power/bq24735-charger.h
index f536164..6b750c1a 100644
--- a/include/linux/power/bq24735-charger.h
+++ b/include/linux/power/bq24735-charger.h@@ -32,6 +32,8 @@ struct bq24735_platform { int status_gpio_active_low; bool status_gpio_valid; + bool ext_control; + char **supplied_to; size_t num_supplicants; };
--
2.7.0
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