diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7280a.c')
| -rw-r--r-- | drivers/staging/iio/adc/ad7280a.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index 4d4870787eed..d98e229c46bf 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -55,37 +55,37 @@ #define AD7280A_CNVST_CONTROL 0x1D /* D7 to D0, Read/write */ /* Bits and Masks */ -#define AD7280A_CTRL_HB_CONV_INPUT_ALL (0 << 6) -#define AD7280A_CTRL_HB_CONV_INPUT_6CELL_AUX1_3_4 (1 << 6) -#define AD7280A_CTRL_HB_CONV_INPUT_6CELL (2 << 6) -#define AD7280A_CTRL_HB_CONV_INPUT_SELF_TEST (3 << 6) -#define AD7280A_CTRL_HB_CONV_RES_READ_ALL (0 << 4) -#define AD7280A_CTRL_HB_CONV_RES_READ_6CELL_AUX1_3_4 (1 << 4) -#define AD7280A_CTRL_HB_CONV_RES_READ_6CELL (2 << 4) -#define AD7280A_CTRL_HB_CONV_RES_READ_NO (3 << 4) -#define AD7280A_CTRL_HB_CONV_START_CNVST (0 << 3) -#define AD7280A_CTRL_HB_CONV_START_CS (1 << 3) -#define AD7280A_CTRL_HB_CONV_AVG_DIS (0 << 1) -#define AD7280A_CTRL_HB_CONV_AVG_2 (1 << 1) -#define AD7280A_CTRL_HB_CONV_AVG_4 (2 << 1) -#define AD7280A_CTRL_HB_CONV_AVG_8 (3 << 1) +#define AD7280A_CTRL_HB_CONV_INPUT_ALL 0 +#define AD7280A_CTRL_HB_CONV_INPUT_6CELL_AUX1_3_4 BIT(6) +#define AD7280A_CTRL_HB_CONV_INPUT_6CELL BIT(7) +#define AD7280A_CTRL_HB_CONV_INPUT_SELF_TEST (BIT(7) | BIT(6)) +#define AD7280A_CTRL_HB_CONV_RES_READ_ALL 0 +#define AD7280A_CTRL_HB_CONV_RES_READ_6CELL_AUX1_3_4 BIT(4) +#define AD7280A_CTRL_HB_CONV_RES_READ_6CELL BIT(5) +#define AD7280A_CTRL_HB_CONV_RES_READ_NO (BIT(5) | BIT(4)) +#define AD7280A_CTRL_HB_CONV_START_CNVST 0 +#define AD7280A_CTRL_HB_CONV_START_CS BIT(3) +#define AD7280A_CTRL_HB_CONV_AVG_DIS 0 +#define AD7280A_CTRL_HB_CONV_AVG_2 BIT(1) +#define AD7280A_CTRL_HB_CONV_AVG_4 BIT(2) +#define AD7280A_CTRL_HB_CONV_AVG_8 (BIT(2) | BIT(1)) #define AD7280A_CTRL_HB_CONV_AVG(x) ((x) << 1) -#define AD7280A_CTRL_HB_PWRDN_SW (1 << 0) +#define AD7280A_CTRL_HB_PWRDN_SW BIT(0) -#define AD7280A_CTRL_LB_SWRST (1 << 7) -#define AD7280A_CTRL_LB_ACQ_TIME_400ns (0 << 5) -#define AD7280A_CTRL_LB_ACQ_TIME_800ns (1 << 5) -#define AD7280A_CTRL_LB_ACQ_TIME_1200ns (2 << 5) -#define AD7280A_CTRL_LB_ACQ_TIME_1600ns (3 << 5) +#define AD7280A_CTRL_LB_SWRST BIT(7) +#define AD7280A_CTRL_LB_ACQ_TIME_400ns 0 +#define AD7280A_CTRL_LB_ACQ_TIME_800ns BIT(5) +#define AD7280A_CTRL_LB_ACQ_TIME_1200ns BIT(6) +#define AD7280A_CTRL_LB_ACQ_TIME_1600ns (BIT(6) | BIT(5)) #define AD7280A_CTRL_LB_ACQ_TIME(x) ((x) << 5) -#define AD7280A_CTRL_LB_MUST_SET (1 << 4) -#define AD7280A_CTRL_LB_THERMISTOR_EN (1 << 3) -#define AD7280A_CTRL_LB_LOCK_DEV_ADDR (1 << 2) -#define AD7280A_CTRL_LB_INC_DEV_ADDR (1 << 1) -#define AD7280A_CTRL_LB_DAISY_CHAIN_RB_EN (1 << 0) +#define AD7280A_CTRL_LB_MUST_SET BIT(4) +#define AD7280A_CTRL_LB_THERMISTOR_EN BIT(3) +#define AD7280A_CTRL_LB_LOCK_DEV_ADDR BIT(2) +#define AD7280A_CTRL_LB_INC_DEV_ADDR BIT(1) +#define AD7280A_CTRL_LB_DAISY_CHAIN_RB_EN BIT(0) -#define AD7280A_ALERT_GEN_STATIC_HIGH (1 << 6) -#define AD7280A_ALERT_RELAY_SIG_CHAIN_DOWN (3 << 6) +#define AD7280A_ALERT_GEN_STATIC_HIGH BIT(6) +#define AD7280A_ALERT_RELAY_SIG_CHAIN_DOWN (BIT(7) | BIT(6)) #define AD7280A_ALL_CELLS (0xAD << 16) @@ -547,8 +547,9 @@ static int ad7280_attr_init(struct ad7280_state *st) { int dev, ch, cnt; - st->iio_attr = kzalloc(sizeof(*st->iio_attr) * (st->slave_num + 1) * - AD7280A_CELLS_PER_DEV * 2, GFP_KERNEL); + st->iio_attr = kcalloc(2, sizeof(*st->iio_attr) * + (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, + GFP_KERNEL); if (st->iio_attr == NULL) return -ENOMEM; |