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adc_factory: return -EINVAL if fail to register adc channel

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kfx
2012-10-23 18:44:24 +08:00
parent 8189a7d87d
commit d7d623dd14
1 changed files with 5 additions and 5 deletions
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10
drivers/power/rk30_factory_adc_battery.c
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@@ -1547,12 +1547,12 @@ static int rk30_adc_battery_probe(struct platform_device *pdev)
memset(data->adc_samples, 0, sizeof(int)*(NUM_VOLTAGE_SAMPLE + 2));
//register adc for battery sample
if(0 == pdata->adc_channel)
client = adc_register(0, rk30_adc_battery_callback, NULL); //pdata->adc_channel = ani0
else
client = adc_register(pdata->adc_channel, rk30_adc_battery_callback, NULL);
if(!client)
client = adc_register(pdata->adc_channel, rk30_adc_battery_callback, NULL);
if(!client){
printk(KERN_INFO "fail to register adc channel(%d)\n", pdata->adc_channel);
ret = -EINVAL;
goto err_adc_register_failed;
}
//variable init
data->client = client;