diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-27 09:13:38 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-27 09:13:38 +0900 |
| commit | cf516d08eceb4c442f0f2f1a73ebf994b1dbf0ed (patch) | |
| tree | a56d5024a453bb323039f7c481ac17738269e24f /drivers/iio | |
| parent | 047e6646579c2853afba0111f573796daf4fd485 (diff) | |
| parent | 32b88194f71d6ae7768a29f87fbba454728273ee (diff) | |
Merge 4.3-rc7 into staging-next
We want the other staging patches in this branch as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/accel/st_accel_core.c | 6 | ||||
| -rw-r--r-- | drivers/iio/adc/twl4030-madc.c | 34 |
2 files changed, 34 insertions, 6 deletions
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index dab8b76c1427..197a08b4e2f3 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -149,8 +149,6 @@ #define ST_ACCEL_4_BDU_MASK 0x40 #define ST_ACCEL_4_DRDY_IRQ_ADDR 0x21 #define ST_ACCEL_4_DRDY_IRQ_INT1_MASK 0x04 -#define ST_ACCEL_4_IG1_EN_ADDR 0x21 -#define ST_ACCEL_4_IG1_EN_MASK 0x08 #define ST_ACCEL_4_MULTIREAD_BIT true /* CUSTOM VALUES FOR SENSOR 5 */ @@ -489,10 +487,6 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .drdy_irq = { .addr = ST_ACCEL_4_DRDY_IRQ_ADDR, .mask_int1 = ST_ACCEL_4_DRDY_IRQ_INT1_MASK, - .ig1 = { - .en_addr = ST_ACCEL_4_IG1_EN_ADDR, - .en_mask = ST_ACCEL_4_IG1_EN_MASK, - }, }, .multi_read_bit = ST_ACCEL_4_MULTIREAD_BIT, .bootime = 2, /* guess */ diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index ebe415f10640..0c74869a540a 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -45,13 +45,18 @@ #include <linux/types.h> #include <linux/gfp.h> #include <linux/err.h> +#include <linux/regulator/consumer.h> #include <linux/iio/iio.h> +#define TWL4030_USB_SEL_MADC_MCPC (1<<3) +#define TWL4030_USB_CARKIT_ANA_CTRL 0xBB + /** * struct twl4030_madc_data - a container for madc info * @dev: Pointer to device structure for madc * @lock: Mutex protecting this data structure + * @regulator: Pointer to bias regulator for madc * @requests: Array of request struct corresponding to SW1, SW2 and RT * @use_second_irq: IRQ selection (main or co-processor) * @imr: Interrupt mask register of MADC @@ -60,6 +65,7 @@ struct twl4030_madc_data { struct device *dev; struct mutex lock; /* mutex protecting this data structure */ + struct regulator *usb3v1; struct twl4030_madc_request requests[TWL4030_MADC_NUM_METHODS]; bool use_second_irq; u8 imr; @@ -841,6 +847,32 @@ static int twl4030_madc_probe(struct platform_device *pdev) } twl4030_madc = madc; + /* Configure MADC[3:6] */ + ret = twl_i2c_read_u8(TWL_MODULE_USB, ®val, + TWL4030_USB_CARKIT_ANA_CTRL); + if (ret) { + dev_err(&pdev->dev, "unable to read reg CARKIT_ANA_CTRL 0x%X\n", + TWL4030_USB_CARKIT_ANA_CTRL); + goto err_i2c; + } + regval |= TWL4030_USB_SEL_MADC_MCPC; + ret = twl_i2c_write_u8(TWL_MODULE_USB, regval, + TWL4030_USB_CARKIT_ANA_CTRL); + if (ret) { + dev_err(&pdev->dev, "unable to write reg CARKIT_ANA_CTRL 0x%X\n", + TWL4030_USB_CARKIT_ANA_CTRL); + goto err_i2c; + } + + /* Enable 3v1 bias regulator for MADC[3:6] */ + madc->usb3v1 = devm_regulator_get(madc->dev, "vusb3v1"); + if (IS_ERR(madc->usb3v1)) + return -ENODEV; + + ret = regulator_enable(madc->usb3v1); + if (ret) + dev_err(madc->dev, "could not enable 3v1 bias regulator\n"); + ret = iio_device_register(iio_dev); if (ret) { dev_err(&pdev->dev, "could not register iio device\n"); @@ -866,6 +898,8 @@ static int twl4030_madc_remove(struct platform_device *pdev) twl4030_madc_set_current_generator(madc, 0, 0); twl4030_madc_set_power(madc, 0); + regulator_disable(madc->usb3v1); + return 0; } |