summaryrefslogtreecommitdiffstats
path: root/drivers/iio
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2015-11-27 14:52:51 +0100
committerJonathan Cameron <jic23@kernel.org>2015-12-02 18:27:09 +0000
commit78f16dbda5eee2f9379a6313cd01792160e2ec70 (patch)
tree515762e6eef4d2eb7cc165c47416f01c50013e00 /drivers/iio
parentf3cf3fb7ec854c2b2429e5bb23186746e6511dae (diff)
downloadlinux-78f16dbda5eee2f9379a6313cd01792160e2ec70.tar.gz
linux-78f16dbda5eee2f9379a6313cd01792160e2ec70.tar.bz2
linux-78f16dbda5eee2f9379a6313cd01792160e2ec70.zip
iio: adc: mcp3422: Add mcp3421 support
The mcp3421 is the single channel variant of the mcp342x family. Support is straight forward, only the channels array has to be added for this chip. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/mcp3422.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 3555122008b4..6eca7aea8a37 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -305,6 +305,10 @@ static const struct attribute_group mcp3422_attribute_group = {
.attrs = mcp3422_attributes,
};
+static const struct iio_chan_spec mcp3421_channels[] = {
+ MCP3422_CHAN(0),
+};
+
static const struct iio_chan_spec mcp3422_channels[] = {
MCP3422_CHAN(0),
MCP3422_CHAN(1),
@@ -352,6 +356,10 @@ static int mcp3422_probe(struct i2c_client *client,
indio_dev->info = &mcp3422_info;
switch (adc->id) {
+ case 1:
+ indio_dev->channels = mcp3421_channels;
+ indio_dev->num_channels = ARRAY_SIZE(mcp3421_channels);
+ break;
case 2:
case 3:
case 6:
@@ -383,6 +391,7 @@ static int mcp3422_probe(struct i2c_client *client,
}
static const struct i2c_device_id mcp3422_id[] = {
+ { "mcp3421", 1 },
{ "mcp3422", 2 },
{ "mcp3423", 3 },
{ "mcp3424", 4 },