The property length which returns from "of_get_property", it means array
bytes count if the property has prefix as "/bits/ 8". The driver should
call function "of_property_read_u8_array" to get correct array value.
Fixes: fd0310b6fe7d ("drm/bridge: anx7625: add MIPI DPI input feature")
Signed-off-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>
---
V1 -> V2: Fix Sam comment, use of_property_read_u8_array to get array
value
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 8 ++++----
drivers/gpu/drm/bridge/analogix/anx7625.h | 4 ++--
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index c6a9a02ed762..628cbf769141 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1598,8 +1598,8 @@ static int anx7625_get_swing_setting(struct device *dev,
num_regs = DP_TX_SWING_REG_CNT;
pdata->dp_lane0_swing_reg_cnt = num_regs;
- of_property_read_u32_array(dev->of_node, "analogix,lane0-swing",
- pdata->lane0_reg_data, num_regs);
+ of_property_read_u8_array(dev->of_node, "analogix,lane0-swing",
+ pdata->lane0_reg_data, num_regs);
}
if (of_get_property(dev->of_node,
@@ -1608,8 +1608,8 @@ static int anx7625_get_swing_setting(struct device *dev,
num_regs = DP_TX_SWING_REG_CNT;
pdata->dp_lane1_swing_reg_cnt = num_regs;
- of_property_read_u32_array(dev->of_node, "analogix,lane1-swing",
- pdata->lane1_reg_data, num_regs);
+ of_property_read_u8_array(dev->of_node, "analogix,lane1-swing",
+ pdata->lane1_reg_data, num_regs);
}
return 0;
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.h b/drivers/gpu/drm/bridge/analogix/anx7625.h
index edbbfe410a56..2c340f16f2c3 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.h
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.h
@@ -426,9 +426,9 @@ struct anx7625_platform_data {
int mipi_lanes;
int audio_en;
int dp_lane0_swing_reg_cnt;
- int lane0_reg_data[DP_TX_SWING_REG_CNT];
int dp_lane1_swing_reg_cnt;
- int lane1_reg_data[DP_TX_SWING_REG_CNT];
+ u8 lane0_reg_data[DP_TX_SWING_REG_CNT];
+ u8 lane1_reg_data[DP_TX_SWING_REG_CNT];
u32 low_power_mode;
struct device_node *mipi_host_node;
};
--
2.25.1
