summaryrefslogtreecommitdiff
path: root/drivers/iio
diff options
context:
space:
mode:
authorWolfram Sang <wsa@kernel.org>2022-09-16 22:42:18 +0300
committerWolfram Sang <wsa@kernel.org>2022-09-16 22:42:18 +0300
commitd819524d3144f4703f45f473fdc85ad7579ae94c (patch)
tree9bcb29b9b1a24ecf5a1a367c1af7d9be138ba041 /drivers/iio
parent859d64685d6c868db62b86064769b053db8bf834 (diff)
parent80e78fcce86de0288793a0ef0f6acf37656ee4cf (diff)
downloadlinux-d819524d3144f4703f45f473fdc85ad7579ae94c.tar.xz
Merge tag 'v6.0-rc5' into i2c/for-mergewindow
Linux 6.0-rc5
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/ad7292.c4
-rw-r--r--drivers/iio/adc/mcp3911.c28
-rw-r--r--drivers/iio/light/cm32181.c2
-rw-r--r--drivers/iio/light/cm3605.c6
4 files changed, 28 insertions, 12 deletions
diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c
index 92c68d467c50..a2f9fda25ff3 100644
--- a/drivers/iio/adc/ad7292.c
+++ b/drivers/iio/adc/ad7292.c
@@ -287,10 +287,8 @@ static int ad7292_probe(struct spi_device *spi)
ret = devm_add_action_or_reset(&spi->dev,
ad7292_regulator_disable, st);
- if (ret) {
- regulator_disable(st->reg);
+ if (ret)
return ret;
- }
ret = regulator_get_voltage(st->reg);
if (ret < 0)
diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index 1cb4590fe412..890af7dca62d 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -40,8 +40,8 @@
#define MCP3911_CHANNEL(x) (MCP3911_REG_CHANNEL0 + x * 3)
#define MCP3911_OFFCAL(x) (MCP3911_REG_OFFCAL_CH0 + x * 6)
-/* Internal voltage reference in uV */
-#define MCP3911_INT_VREF_UV 1200000
+/* Internal voltage reference in mV */
+#define MCP3911_INT_VREF_MV 1200
#define MCP3911_REG_READ(reg, id) ((((reg) << 1) | ((id) << 5) | (1 << 0)) & 0xff)
#define MCP3911_REG_WRITE(reg, id) ((((reg) << 1) | ((id) << 5) | (0 << 0)) & 0xff)
@@ -113,6 +113,8 @@ static int mcp3911_read_raw(struct iio_dev *indio_dev,
if (ret)
goto out;
+ *val = sign_extend32(*val, 23);
+
ret = IIO_VAL_INT;
break;
@@ -137,11 +139,18 @@ static int mcp3911_read_raw(struct iio_dev *indio_dev,
*val = ret / 1000;
} else {
- *val = MCP3911_INT_VREF_UV;
+ *val = MCP3911_INT_VREF_MV;
}
- *val2 = 24;
- ret = IIO_VAL_FRACTIONAL_LOG2;
+ /*
+ * For 24bit Conversion
+ * Raw = ((Voltage)/(Vref) * 2^23 * Gain * 1.5
+ * Voltage = Raw * (Vref)/(2^23 * Gain * 1.5)
+ */
+
+ /* val2 = (2^23 * 1.5) */
+ *val2 = 12582912;
+ ret = IIO_VAL_FRACTIONAL;
break;
}
@@ -208,7 +217,14 @@ static int mcp3911_config(struct mcp3911 *adc)
u32 configreg;
int ret;
- device_property_read_u32(dev, "device-addr", &adc->dev_addr);
+ ret = device_property_read_u32(dev, "microchip,device-addr", &adc->dev_addr);
+
+ /*
+ * Fallback to "device-addr" due to historical mismatch between
+ * dt-bindings and implementation
+ */
+ if (ret)
+ device_property_read_u32(dev, "device-addr", &adc->dev_addr);
if (adc->dev_addr > 3) {
dev_err(&adc->spi->dev,
"invalid device address (%i). Must be in range 0-3.\n",
diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index edbe6a3138d0..001055d09750 100644
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -505,7 +505,7 @@ static int cm32181_resume(struct device *dev)
cm32181->conf_regs[CM32181_REG_ADDR_CMD]);
}
-DEFINE_SIMPLE_DEV_PM_OPS(cm32181_pm_ops, cm32181_suspend, cm32181_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(cm32181_pm_ops, cm32181_suspend, cm32181_resume);
static const struct of_device_id cm32181_of_match[] = {
{ .compatible = "capella,cm3218" },
diff --git a/drivers/iio/light/cm3605.c b/drivers/iio/light/cm3605.c
index c721b69d5095..0b30db77f78b 100644
--- a/drivers/iio/light/cm3605.c
+++ b/drivers/iio/light/cm3605.c
@@ -226,8 +226,10 @@ static int cm3605_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return dev_err_probe(dev, irq, "failed to get irq\n");
+ if (irq < 0) {
+ ret = dev_err_probe(dev, irq, "failed to get irq\n");
+ goto out_disable_aset;
+ }
ret = devm_request_threaded_irq(dev, irq, cm3605_prox_irq,
NULL, 0, "cm3605", indio_dev);