Re: [PATCH 1/3] lp8788-charger: use consumer device name on settingIIO channels

From: Jonathan Cameron
Date: Fri Oct 19 2012 - 13:42:47 EST


On 10/18/2012 07:11 AM, Kim, Milo wrote:
> To get the ADC value for the battery voltage and temperature,
> LP8788 ADC driver is used.
> LP8788 charger driver is the consumer of LP8788 ADC driver.
> Thus, specific ADC driver name is required on getting the channel
> using iio_channel_get().
>
> Signed-off-by: Milo(Woogyom) Kim <milo.kim@xxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>

> ---
> drivers/power/lp8788-charger.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c
> index e852d12..614e6aa 100644
> --- a/drivers/power/lp8788-charger.c
> +++ b/drivers/power/lp8788-charger.c
> @@ -592,7 +592,8 @@ static void lp8788_irq_unregister(struct platform_device *pdev,
> }
> }
>
> -static void lp8788_setup_adc_channel(struct lp8788_charger *pchg)
> +static void lp8788_setup_adc_channel(const char *consumer_name,
> + struct lp8788_charger *pchg)
> {
> struct lp8788_charger_platform_data *pdata = pchg->pdata;
> struct device *dev = pchg->lp->dev;
> @@ -616,7 +617,7 @@ static void lp8788_setup_adc_channel(struct lp8788_charger *pchg)
> case LPADC_VBATT_5P5:
> case LPADC_VBATT_6P0:
> case LPADC_VBATT_5P0:
> - chan = iio_channel_get(NULL, chan_name[id]);
> + chan = iio_channel_get(consumer_name, chan_name[id]);
> pchg->chan[LP8788_VBATT] = IS_ERR(chan) ? NULL : chan;
> break;
> default:
> @@ -631,7 +632,7 @@ static void lp8788_setup_adc_channel(struct lp8788_charger *pchg)
> case LPADC_ADC2:
> case LPADC_ADC3:
> case LPADC_ADC4:
> - chan = iio_channel_get(NULL, chan_name[id]);
> + chan = iio_channel_get(consumer_name, chan_name[id]);
> pchg->chan[LP8788_BATT_TEMP] = IS_ERR(chan) ? NULL : chan;
> break;
> default:
> @@ -747,7 +748,7 @@ static __devinit int lp8788_charger_probe(struct platform_device *pdev)
> if (ret)
> return ret;
>
> - lp8788_setup_adc_channel(pchg);
> + lp8788_setup_adc_channel(pdev->name, pchg);
>
> ret = lp8788_psy_register(pdev, pchg);
> if (ret)
>
--
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