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

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>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index c42aba6817e8..b289915b8469 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -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)