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iio: adc: ti-ads1015: Use correct pga upper bound

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The devicetree binding and datasheets (for both the ADS1015 and
ADS1115) show that the PGA index should have a maximum value of 5,
and not 6.

Signed-off-by: Mohammed Billoo <mab.kernel@gmail.com>
Link: https://lore.kernel.org/r/20240106174836.1086714-1-mab.kernel@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Mohammed Billoo 2024-01-06 12:48:35 -05:00 committed by Jonathan Cameron
parent a9058f2870
commit 0ba6014a23
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/ti-ads1015.c
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@ -925,7 +925,7 @@ static int ads1015_client_get_channels_config(struct i2c_client *client)
if (!fwnode_property_read_u32(node, "ti,gain", &pval)) {
pga = pval;
if (pga > 6) {
if (pga > 5) {
dev_err(dev, "invalid gain on %pfw\n", node);
fwnode_handle_put(node);
return -EINVAL;