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authorSakari Ailus <[email protected]>2022-08-30 12:32:36 +0200
committerMauro Carvalho Chehab <[email protected]>2022-09-24 09:05:25 +0200
commit54bb7671ca6de58929b3994468c330bedb9a3b7e (patch)
treea345d45f1a591db85c69fc82eec3aaf432865b26
parent2ba3e38517f5a4ebf9c997168079dca01b7f9fc6 (diff)
media: ar0521: Fix return value check in writing initial registers
The return value from register writes is ignored apart from the last value. Fix this. Reported-by: kernel test robot <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
-rw-r--r--drivers/media/i2c/ar0521.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c
index 9e90b02b15e3..a586e0fc0ea3 100644
--- a/drivers/media/i2c/ar0521.c
+++ b/drivers/media/i2c/ar0521.c
@@ -755,11 +755,12 @@ static int ar0521_power_on(struct device *dev)
gpiod_set_value(sensor->reset_gpio, 0);
usleep_range(4500, 5000); /* min 45000 clocks */
- for (cnt = 0; cnt < ARRAY_SIZE(initial_regs); cnt++)
+ for (cnt = 0; cnt < ARRAY_SIZE(initial_regs); cnt++) {
ret = ar0521_write_regs(sensor, initial_regs[cnt].data,
initial_regs[cnt].count);
if (ret)
goto off;
+ }
ret = ar0521_write_reg(sensor, AR0521_REG_SERIAL_FORMAT,
AR0521_REG_SERIAL_FORMAT_MIPI |