6.16-stable review patch. If anyone has any objections, please let me know.
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From: David Lechner dlechner@baylibre.com
commit 6fa908abd19cc35c205f343b79c67ff38dbc9b76 upstream.
Fix the setting of the ODR register value in the probe function for AD7177. The AD7177 chip has a different ODR value after reset than the other chips (0x7 vs. 0x0) and 0 is a reserved value on that chip.
The driver already has this information available in odr_start_value and uses it when checking valid values when writing to the sampling_frequency attribute, but failed to set the correct initial value in the probe function.
Fixes: 37ae8381ccda ("iio: adc: ad7173: add support for additional models") Signed-off-by: David Lechner dlechner@baylibre.com Link: https://patch.msgid.link/20250710-iio-adc-ad7173-fix-setting-odr-in-probe-v1... Cc: Stable@vger.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iio/adc/ad7173.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/iio/adc/ad7173.c +++ b/drivers/iio/adc/ad7173.c @@ -1595,6 +1595,7 @@ static int ad7173_fw_parse_channel_confi chan_st_priv->cfg.bipolar = false; chan_st_priv->cfg.input_buf = st->info->has_input_buf; chan_st_priv->cfg.ref_sel = AD7173_SETUP_REF_SEL_INT_REF; + chan_st_priv->cfg.odr = st->info->odr_start_value; chan_st_priv->cfg.openwire_comp_chan = -1; st->adc_mode |= AD7173_ADC_MODE_REF_EN; if (st->info->data_reg_only_16bit) @@ -1661,7 +1662,7 @@ static int ad7173_fw_parse_channel_confi chan->scan_index = chan_index; chan->channel = ain[0]; chan_st_priv->cfg.input_buf = st->info->has_input_buf; - chan_st_priv->cfg.odr = 0; + chan_st_priv->cfg.odr = st->info->odr_start_value; chan_st_priv->cfg.openwire_comp_chan = -1;
chan_st_priv->cfg.bipolar = fwnode_property_read_bool(child, "bipolar");