b167421e55
Add the latest linux available from https://github.com/armbian/build commit de58ac1faac92724c6449db12c22affaeb003875, tag: sunxi-5.3, alongside all the patches that it comes with. Signed-off-by: Vicentiu Galanopulo <vicentiu@balena.io>
86 lines
2.5 KiB
Diff
86 lines
2.5 KiB
Diff
From 84a6ce439660f26a06219cdf1613f87a6395fdbd Mon Sep 17 00:00:00 2001
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From: Quentin Schulz <quentin.schulz@free-electrons.com>
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Date: Wed, 23 Aug 2017 14:15:59 +0200
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Subject: [PATCH 20/82] power: supply: axp20x_usb_power: add function to get
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max current
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To prepare for a new PMIC, factor out the code responsible of returning
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the maximum current to axp20x_get_current_max.
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Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
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---
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drivers/power/supply/axp20x_usb_power.c | 51 ++++++++++++++-----------
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1 file changed, 29 insertions(+), 22 deletions(-)
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diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
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index 42001df4bd13..464d4abd3798 100644
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--- a/drivers/power/supply/axp20x_usb_power.c
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+++ b/drivers/power/supply/axp20x_usb_power.c
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@@ -63,6 +63,34 @@ static irqreturn_t axp20x_usb_power_irq(int irq, void *devid)
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return IRQ_HANDLED;
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}
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+static int axp20x_get_current_max(struct axp20x_usb_power *power, int *val)
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+{
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+ unsigned int v;
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+ int ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v);
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+
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+ if (ret)
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+ return ret;
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+
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+ switch (v & AXP20X_VBUS_CLIMIT_MASK) {
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+ case AXP20X_VBUC_CLIMIT_100mA:
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+ if (power->axp20x_id == AXP221_ID)
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+ *val = -1; /* No 100mA limit */
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+ else
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+ *val = 100000;
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+ break;
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+ case AXP20X_VBUC_CLIMIT_500mA:
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+ *val = 500000;
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+ break;
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+ case AXP20X_VBUC_CLIMIT_900mA:
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+ *val = 900000;
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+ break;
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+ case AXP20X_VBUC_CLIMIT_NONE:
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+ *val = -1;
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+ break;
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+ }
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+ return 0;
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+}
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+
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static int axp20x_usb_power_get_property(struct power_supply *psy,
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enum power_supply_property psp, union power_supply_propval *val)
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{
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@@ -101,28 +129,7 @@ static int axp20x_usb_power_get_property(struct power_supply *psy,
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val->intval = ret * 1700; /* 1 step = 1.7 mV */
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return 0;
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case POWER_SUPPLY_PROP_CURRENT_MAX:
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- ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v);
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- if (ret)
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- return ret;
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-
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- switch (v & AXP20X_VBUS_CLIMIT_MASK) {
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- case AXP20X_VBUC_CLIMIT_100mA:
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- if (power->axp20x_id == AXP221_ID)
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- val->intval = -1; /* No 100mA limit */
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- else
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- val->intval = 100000;
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- break;
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- case AXP20X_VBUC_CLIMIT_500mA:
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- val->intval = 500000;
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- break;
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- case AXP20X_VBUC_CLIMIT_900mA:
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- val->intval = 900000;
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- break;
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- case AXP20X_VBUC_CLIMIT_NONE:
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- val->intval = -1;
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- break;
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- }
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- return 0;
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+ return axp20x_get_current_max(power, &val->intval);
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case POWER_SUPPLY_PROP_CURRENT_NOW:
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if (IS_ENABLED(CONFIG_AXP20X_ADC)) {
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ret = iio_read_channel_processed(power->vbus_i,
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--
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2.20.1
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