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iio: Update iio_channel_get API to use consumer device pointer as argument

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For iio_channel_get to work with OF based configurations, it needs the
consumer device pointer instead of the consumer device name as argument.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Guenter Roeck 2013-02-04 20:26:00 +00:00 committed by Jonathan Cameron
parent 860c9c5427
commit 5aa57f0a65
5 changed files with 20 additions and 11 deletions
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3
drivers/extcon/extcon-adc-jack.c
View File

@ -135,8 +135,7 @@ static int adc_jack_probe(struct platform_device *pdev)
;
data->num_conditions = i;
data->chan = iio_channel_get(dev_name(&pdev->dev),
pdata->consumer_channel);
data->chan = iio_channel_get(&pdev->dev, pdata->consumer_channel);
if (IS_ERR(data->chan)) {
err = PTR_ERR(data->chan);
goto out;

11
drivers/iio/inkern.c
View File

@ -93,7 +93,8 @@ static const struct iio_chan_spec
}
struct iio_channel *iio_channel_get(const char *name, const char *channel_name)
static struct iio_channel *iio_channel_get_sys(const char *name,
const char *channel_name)
{
struct iio_map_internal *c_i = NULL, *c = NULL;
struct iio_channel *channel;
@ -144,6 +145,14 @@ error_no_mem:
iio_device_put(c->indio_dev);
return ERR_PTR(err);
}
struct iio_channel *iio_channel_get(struct device *dev,
const char *channel_name)
{
const char *name = dev ? dev_name(dev) : NULL;
return iio_channel_get_sys(name, channel_name);
}
EXPORT_SYMBOL_GPL(iio_channel_get);
void iio_channel_release(struct iio_channel *channel)

4
drivers/power/generic-adc-battery.c
View File

@ -287,8 +287,8 @@ static int gab_probe(struct platform_device *pdev)
* based on the channel supported by consumer device.
*/
for (chan = 0; chan < ARRAY_SIZE(gab_chan_name); chan++) {
adc_bat->channel[chan] = iio_channel_get(dev_name(&pdev->dev),
gab_chan_name[chan]);
adc_bat->channel[chan] = iio_channel_get(&pdev->dev,
gab_chan_name[chan]);
if (IS_ERR(adc_bat->channel[chan])) {
ret = PTR_ERR(adc_bat->channel[chan]);
} else {

8
drivers/power/lp8788-charger.c
View File

@ -580,7 +580,7 @@ static void lp8788_irq_unregister(struct platform_device *pdev,
}
}
static void lp8788_setup_adc_channel(const char *consumer_name,
static void lp8788_setup_adc_channel(struct device *dev,
struct lp8788_charger *pchg)
{
struct lp8788_charger_platform_data *pdata = pchg->pdata;
@ -590,11 +590,11 @@ static void lp8788_setup_adc_channel(const char *consumer_name,
return;
/* ADC channel for battery voltage */
chan = iio_channel_get(consumer_name, pdata->adc_vbatt);
chan = iio_channel_get(dev, pdata->adc_vbatt);
pchg->chan[LP8788_VBATT] = IS_ERR(chan) ? NULL : chan;
/* ADC channel for battery temperature */
chan = iio_channel_get(consumer_name, pdata->adc_batt_temp);
chan = iio_channel_get(dev, pdata->adc_batt_temp);
pchg->chan[LP8788_BATT_TEMP] = IS_ERR(chan) ? NULL : chan;
}
@ -704,7 +704,7 @@ static int lp8788_charger_probe(struct platform_device *pdev)
if (ret)
return ret;
lp8788_setup_adc_channel(pdev->name, pchg);
lp8788_setup_adc_channel(&pdev->dev, pchg);
ret = lp8788_psy_register(pdev, pchg);
if (ret)

5
include/linux/iio/consumer.h
View File

@ -31,14 +31,15 @@ struct iio_channel {
/**
* iio_channel_get() - get description of all that is needed to access channel.
* @name: Unique name of the device as provided in the iio_map
* @dev: Pointer to consumer device. Device name must match
* the name of the device as provided in the iio_map
* with which the desired provider to consumer mapping
* was registered.
* @consumer_channel: Unique name to identify the channel on the consumer
* side. This typically describes the channels use within
* the consumer. E.g. 'battery_voltage'
*/
struct iio_channel *iio_channel_get(const char *name,
struct iio_channel *iio_channel_get(struct device *dev,
const char *consumer_channel);
/**