Commit 66b46e68 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mauro Carvalho Chehab

V4L/DVB (10668): ov772x: bit mask operation fix on ov772x_mask_set.

Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent cdce7c0b
...@@ -565,8 +565,11 @@ static int ov772x_mask_set(struct i2c_client *client, ...@@ -565,8 +565,11 @@ static int ov772x_mask_set(struct i2c_client *client,
u8 set) u8 set)
{ {
s32 val = i2c_smbus_read_byte_data(client, command); s32 val = i2c_smbus_read_byte_data(client, command);
if (val < 0)
return val;
val &= ~mask; val &= ~mask;
val |= set; val |= set & mask;
return i2c_smbus_write_byte_data(client, command, val); return i2c_smbus_write_byte_data(client, command, val);
} }
......
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