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authorLinus Walleij <linus.walleij@linaro.org>2022-01-29 01:49:24 +0100
committerSebastian Reichel <sebastian.reichel@collabora.com>2022-02-11 20:24:53 +0100
commit0f6dad11fdf765a2fc89ef86961efcfcf94b5d0a (patch)
tree434bd4f60b4f32298087ab240d2fae79b8d27941 /drivers/power
parent75ee3f6f0c1a0b70b9afc2b758566aa49c3cf978 (diff)
downloadlinux-0f6dad11fdf765a2fc89ef86961efcfcf94b5d0a.tar.bz2
power: supply: ab8500_charger: Restrict ADC retrieveal
The AB8505 only has two ADC channels: the voltage and current provided from VBUS (USB). It does not support AC charging at all. Make sure we don't try to retrieve the non-existing channels. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/ab8500_charger.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c
index ce074c018dcb..681b53bb0df0 100644
--- a/drivers/power/supply/ab8500_charger.c
+++ b/drivers/power/supply/ab8500_charger.c
@@ -3443,17 +3443,19 @@ static int ab8500_charger_probe(struct platform_device *pdev)
di->parent = dev_get_drvdata(pdev->dev.parent);
/* Get ADC channels */
- di->adc_main_charger_v = devm_iio_channel_get(dev, "main_charger_v");
- if (IS_ERR(di->adc_main_charger_v)) {
- ret = dev_err_probe(dev, PTR_ERR(di->adc_main_charger_v),
- "failed to get ADC main charger voltage\n");
- return ret;
- }
- di->adc_main_charger_c = devm_iio_channel_get(dev, "main_charger_c");
- if (IS_ERR(di->adc_main_charger_c)) {
- ret = dev_err_probe(dev, PTR_ERR(di->adc_main_charger_c),
- "failed to get ADC main charger current\n");
- return ret;
+ if (!is_ab8505(di->parent)) {
+ di->adc_main_charger_v = devm_iio_channel_get(dev, "main_charger_v");
+ if (IS_ERR(di->adc_main_charger_v)) {
+ ret = dev_err_probe(dev, PTR_ERR(di->adc_main_charger_v),
+ "failed to get ADC main charger voltage\n");
+ return ret;
+ }
+ di->adc_main_charger_c = devm_iio_channel_get(dev, "main_charger_c");
+ if (IS_ERR(di->adc_main_charger_c)) {
+ ret = dev_err_probe(dev, PTR_ERR(di->adc_main_charger_c),
+ "failed to get ADC main charger current\n");
+ return ret;
+ }
}
di->adc_vbus_v = devm_iio_channel_get(dev, "vbus_v");
if (IS_ERR(di->adc_vbus_v)) {