diff options
| -rw-r--r-- | drivers/iio/adc/ad9467.c | 80 |
1 files changed, 49 insertions, 31 deletions
diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c index ee0190e711af..d611ca813c0c 100644 --- a/drivers/iio/adc/ad9467.c +++ b/drivers/iio/adc/ad9467.c @@ -925,7 +925,11 @@ static int __ad9467_update_clock(struct ad9467_state *st, long r_clk) return ret; guard(mutex)(&st->lock); - return ad9467_calibrate(st); + + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_CALIBRATION)) + return ad9467_calibrate(st); + + return 0; } static int ad9467_write_raw(struct iio_dev *indio_dev, @@ -1131,12 +1135,15 @@ static ssize_t ad9467_chan_test_mode_read(struct file *file, len = scnprintf(buf, sizeof(buf), "Running \"%s\" Test:\n\t", ad9467_test_modes[chan->mode]); - ret = iio_backend_debugfs_print_chan_status(st->back, chan->idx, - buf + len, - sizeof(buf) - len); - if (ret < 0) - return ret; - len += ret; + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_CALIBRATION)) { + ret = iio_backend_debugfs_print_chan_status(st->back, + chan->idx, + buf + len, + sizeof(buf) - len); + if (ret < 0) + return ret; + len += ret; + } } else if (chan->mode == AN877_ADC_TESTMODE_OFF) { len = scnprintf(buf, sizeof(buf), "No test Running...\n"); } else { @@ -1175,11 +1182,13 @@ static ssize_t ad9467_chan_test_mode_write(struct file *file, if (mode == AN877_ADC_TESTMODE_OFF) { unsigned int out_mode; - if (chan->mode == AN877_ADC_TESTMODE_PN9_SEQ || - chan->mode == AN877_ADC_TESTMODE_PN23_SEQ) { - ret = ad9467_backend_testmode_off(st, chan->idx); - if (ret) - return ret; + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_CALIBRATION)) { + if (chan->mode == AN877_ADC_TESTMODE_PN9_SEQ || + chan->mode == AN877_ADC_TESTMODE_PN23_SEQ) { + ret = ad9467_backend_testmode_off(st, chan->idx); + if (ret) + return ret; + } } ret = ad9467_testmode_set(st, chan->idx, mode); @@ -1205,16 +1214,18 @@ static ssize_t ad9467_chan_test_mode_write(struct file *file, return ret; /* some patterns have a backend matching monitoring block */ - if (mode == AN877_ADC_TESTMODE_PN9_SEQ) { - ret = ad9467_backend_testmode_on(st, chan->idx, + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_CALIBRATION)) { + if (mode == AN877_ADC_TESTMODE_PN9_SEQ) { + ret = ad9467_backend_testmode_on(st, chan->idx, IIO_BACKEND_ADI_PRBS_9A); - if (ret) - return ret; - } else if (mode == AN877_ADC_TESTMODE_PN23_SEQ) { - ret = ad9467_backend_testmode_on(st, chan->idx, + if (ret) + return ret; + } else if (mode == AN877_ADC_TESTMODE_PN23_SEQ) { + ret = ad9467_backend_testmode_on(st, chan->idx, IIO_BACKEND_ADI_PRBS_23A); - if (ret) - return ret; + if (ret) + return ret; + } } } @@ -1280,8 +1291,9 @@ static void ad9467_debugfs_init(struct iio_dev *indio_dev) if (!st->chan_test) return; - debugfs_create_file("calibration_table_dump", 0400, d, st, - &ad9467_calib_table_fops); + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_CALIBRATION)) + debugfs_create_file("calibration_table_dump", 0400, d, st, + &ad9467_calib_table_fops); for (chan = 0; chan < st->info->num_channels; chan++) { snprintf(attr_name, sizeof(attr_name), "in_voltage%u_test_mode", @@ -1356,17 +1368,23 @@ static int ad9467_probe(struct spi_device *spi) if (ret) return ret; - ret = devm_iio_backend_request_buffer(dev, st->back, indio_dev); - if (ret) - return ret; + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_BUFFER)) { + ret = devm_iio_backend_request_buffer(dev, st->back, indio_dev); + if (ret) + return ret; + } - ret = devm_iio_backend_enable(dev, st->back); - if (ret) - return ret; + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_ENABLE)) { + ret = devm_iio_backend_enable(dev, st->back); + if (ret) + return ret; + } - ret = ad9467_calibrate(st); - if (ret) - return ret; + if (iio_backend_has_caps(st->back, IIO_BACKEND_CAP_CALIBRATION)) { + ret = ad9467_calibrate(st); + if (ret) + return ret; + } ret = devm_iio_device_register(dev, indio_dev); if (ret) |