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Subject[PATCH v2] drm/bridge: anx7625: Fix edid_read break case in sp_tx_edid_read()
Date
edid_read() was assumed to return 0 on success. After
7f16d0f3b8e2("drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()"),
the function will return > 0 for successful case, representing the i2c
read bytes. Otherwise -EIO on failure cases. Update the g_edid_break
break condition accordingly.

Fixes: 7f16d0f3b8e2("drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
---
v2: Fix type error.
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 1a871f6b6822ee..3a18f1dabcfd51 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -795,7 +795,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
int count, blocks_num;
u8 pblock_buf[MAX_DPCD_BUFFER_SIZE];
u8 i, j;
- u8 g_edid_break = 0;
+ int g_edid_break = 0;
int ret;
struct device *dev = &ctx->client->dev;

@@ -826,7 +826,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
g_edid_break = edid_read(ctx, offset,
pblock_buf);

- if (g_edid_break)
+ if (g_edid_break < 0)
break;

memcpy(&pedid_blocks_buf[offset],
--
2.34.0.rc2.393.gf8c9666880-goog
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