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iio: adc: adi-axi-adc: split axi_adc_chan_status()

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Add a new axi_adc_read_chan_status() helper so we get the raw register
value out of it.

This is in preparation of a future change where we really want to look
into dedicated bits of the register.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240802-dev-iio-backend-add-debugfs-v2-5-4cb62852f0d0@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Nuno Sa
2024-08-02 16:27:03 +02:00
committed by Jonathan Cameron
parent 53d7a77dac
commit 232cca61cf
1 changed files with 14 additions and 5 deletions
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drivers/iio/adc/adi-axi-adc.c
+14 -5
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@@ -208,12 +208,10 @@ static int axi_adc_test_pattern_set(struct iio_backend *back,
}
}
static int axi_adc_chan_status(struct iio_backend *back, unsigned int chan,
bool *error)
static int axi_adc_read_chan_status(struct adi_axi_adc_state *st, unsigned int chan,
unsigned int *status)
{
struct adi_axi_adc_state *st = iio_backend_get_priv(back);
int ret;
u32 val;
guard(mutex)(&st->lock);
/* reset test bits by setting them */
@@ -225,7 +223,18 @@ static int axi_adc_chan_status(struct iio_backend *back, unsigned int chan,
/* let's give enough time to validate or erroring the incoming pattern */
fsleep(1000);
ret = regmap_read(st->regmap, ADI_AXI_ADC_REG_CHAN_STATUS(chan), &val);
return regmap_read(st->regmap, ADI_AXI_ADC_REG_CHAN_STATUS(chan),
status);
}
static int axi_adc_chan_status(struct iio_backend *back, unsigned int chan,
bool *error)
{
struct adi_axi_adc_state *st = iio_backend_get_priv(back);
u32 val;
int ret;
ret = axi_adc_read_chan_status(st, chan, &val);
if (ret)
return ret;