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iio: adc: mcp3422: Add mcp3421 support

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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>
This commit is contained in:
Sascha Hauer 2015-11-27 14:52:51 +01:00 committed by Jonathan Cameron
parent f3cf3fb7ec
commit 78f16dbda5
1 changed files with 9 additions and 0 deletions
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9
drivers/iio/adc/mcp3422.c
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@ -305,6 +305,10 @@ static const struct attribute_group mcp3422_attribute_group = {
.attrs = mcp3422_attributes, .attrs = mcp3422_attributes,
}; };
static const struct iio_chan_spec mcp3421_channels[] = {
MCP3422_CHAN(0),
};
static const struct iio_chan_spec mcp3422_channels[] = { static const struct iio_chan_spec mcp3422_channels[] = {
MCP3422_CHAN(0), MCP3422_CHAN(0),
MCP3422_CHAN(1), MCP3422_CHAN(1),
@ -352,6 +356,10 @@ static int mcp3422_probe(struct i2c_client *client,
indio_dev->info = &mcp3422_info; indio_dev->info = &mcp3422_info;
switch (adc->id) { switch (adc->id) {
case 1:
indio_dev->channels = mcp3421_channels;
indio_dev->num_channels = ARRAY_SIZE(mcp3421_channels);
break;
case 2: case 2:
case 3: case 3:
case 6: case 6:
@ -383,6 +391,7 @@ static int mcp3422_probe(struct i2c_client *client,
} }
static const struct i2c_device_id mcp3422_id[] = { static const struct i2c_device_id mcp3422_id[] = {
{ "mcp3421", 1 },
{ "mcp3422", 2 }, { "mcp3422", 2 },
{ "mcp3423", 3 }, { "mcp3423", 3 },
{ "mcp3424", 4 }, { "mcp3424", 4 },