修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/power/supply/generic-adc-battery.c
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@@ -138,6 +138,9 @@
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 			result);
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 	if (ret < 0)
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 		pr_err("read channel error\n");
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+	else
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+		*result *= 1000;
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+
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 	return ret;
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 }
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@@ -241,6 +244,7 @@
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 	struct power_supply_desc *psy_desc;
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 	struct power_supply_config psy_cfg = {};
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 	struct gab_platform_data *pdata = pdev->dev.platform_data;
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+	enum power_supply_property *properties;
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 	int ret = 0;
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 	int chan;
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 	int index = ARRAY_SIZE(gab_props);
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@@ -268,16 +272,16 @@
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 	 * copying the static properties and allocating extra memory for holding
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 	 * the extra configurable properties received from platform data.
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 	 */
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-	psy_desc->properties = kcalloc(ARRAY_SIZE(gab_props) +
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-					ARRAY_SIZE(gab_chan_name),
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-					sizeof(*psy_desc->properties),
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-					GFP_KERNEL);
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-	if (!psy_desc->properties) {
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+	properties = kcalloc(ARRAY_SIZE(gab_props) +
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+			     ARRAY_SIZE(gab_chan_name),
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+			     sizeof(*properties),
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+			     GFP_KERNEL);
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+	if (!properties) {
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 		ret = -ENOMEM;
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 		goto first_mem_fail;
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 	}
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-	memcpy(psy_desc->properties, gab_props, sizeof(gab_props));
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+	memcpy(properties, gab_props, sizeof(gab_props));
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285
 
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 	/*
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 	 * getting channel from iio and copying the battery properties
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@@ -294,13 +298,11 @@
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 			int index2;
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 			for (index2 = 0; index2 < index; index2++) {
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-				if (psy_desc->properties[index2] ==
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-				    gab_dyn_props[chan])
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+				if (properties[index2] == gab_dyn_props[chan])
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 					break;	/* already known */
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 			}
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 			if (index2 == index)	/* really new */
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-				psy_desc->properties[index++] =
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-					gab_dyn_props[chan];
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+				properties[index++] = gab_dyn_props[chan];
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 			any = true;
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 		}
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 	}
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@@ -317,6 +319,7 @@
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 	 * as come channels may be not be supported by the device.So
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 	 * we need to take care of that.
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 	 */
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+	psy_desc->properties = properties;
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 	psy_desc->num_properties = index;
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 	adc_bat->psy = power_supply_register(&pdev->dev, psy_desc, &psy_cfg);
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@@ -358,7 +361,7 @@
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 			iio_channel_release(adc_bat->channel[chan]);
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 	}
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 second_mem_fail:
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-	kfree(psy_desc->properties);
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+	kfree(properties);
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 first_mem_fail:
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 	return ret;
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 }