On 2024/10/18 04:00, Jonas Karlman wrote:
Change to use vdd-microvolts prop value as voltage reference when the supply regulator is missing or when DM_REGULATOR=n is used.
Signed-off-by: Jonas Karlman jonas@kwiboo.se
Reviewed-by: Kever Yang kever.yang@rock-chips.com
Thanks, - Kever
drivers/adc/rockchip-saradc.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/adc/rockchip-saradc.c b/drivers/adc/rockchip-saradc.c index f6832ab30731..7cf9735f60d0 100644 --- a/drivers/adc/rockchip-saradc.c +++ b/drivers/adc/rockchip-saradc.c @@ -241,7 +241,7 @@ int rockchip_saradc_probe(struct udevice *dev) { struct adc_uclass_plat *uc_pdata = dev_get_uclass_plat(dev); struct rockchip_saradc_priv *priv = dev_get_priv(dev);
- struct udevice *vref;
- struct udevice *vref = NULL; struct clk clk; int vref_uv; int ret;
@@ -259,7 +259,7 @@ int rockchip_saradc_probe(struct udevice *dev) priv->active_channel = -1;
ret = device_get_supply_regulator(dev, "vref-supply", &vref);
- if (ret) {
- if (ret && uc_pdata->vdd_microvolts <= 0) { printf("can't get vref-supply: %d\n", ret); return ret; }
@@ -267,7 +267,10 @@ int rockchip_saradc_probe(struct udevice *dev) if (priv->reset) rockchip_saradc_reset_controller(priv->reset);
- vref_uv = regulator_get_value(vref);
- if (vref)
vref_uv = regulator_get_value(vref);- else
vref_uv = uc_pdata->vdd_microvolts;