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Message-ID: <20230711200141.239025-6-gnstark@sberdevices.ru>
Date: Tue, 11 Jul 2023 23:00:21 +0300
From: George Stark <gnstark@...rdevices.ru>
To: <jic23@...nel.org>, <lars@...afoo.de>, <neil.armstrong@...aro.org>,
<khilman@...libre.com>, <jbrunet@...libre.com>,
<martin.blumenstingl@...glemail.com>,
<andriy.shevchenko@...ux.intel.com>, <nuno.sa@...log.com>,
<gnstark@...rdevices.ru>
CC: <linux-iio@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-amlogic@...ts.infradead.org>, <kernel@...rdevices.ru>,
George Stark <GNStark@...rdevices.ru>
Subject: [PATCH v5 5/6] iio: adc: meson: add channel labels
Add channel labels to provide human-readable names for the inputs.
Signed-off-by: George Stark <GNStark@...rdevices.ru>
---
drivers/iio/adc/meson_saradc.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index b14c66656bcc..918bd5da3605 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -1055,8 +1055,20 @@ static int meson_sar_adc_calib(struct iio_dev *indio_dev)
return ret;
}
+static int read_label(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ char *label)
+{
+ if (chan->type == IIO_TEMP)
+ return sprintf(label, "temp-sensor\n");
+ if (chan->type == IIO_VOLTAGE)
+ return sprintf(label, "channel-%d\n", chan->channel);
+ return 0;
+}
+
static const struct iio_info meson_sar_adc_iio_info = {
.read_raw = meson_sar_adc_iio_info_read_raw,
+ .read_label = read_label,
};
static const struct meson_sar_adc_param meson_sar_adc_meson8_param = {
--
2.38.4
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