u8 mask, u8 set)
{
s32 val = i2c_smbus_read_byte_data(client, command);
+ if (val < 0)
+ return val;
val &= ~mask;
- val |= set;
+ val |= set & mask;
return i2c_smbus_write_byte_data(client, command, val);
}
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
int ret = -EINVAL;
u8 val;
+ int i;
+
+ /*
+ * check color format
+ */
+ for (i = 0 ; i < ARRAY_SIZE(tw9910_color_fmt) ; i++) {
+ if (pixfmt == tw9910_color_fmt[i].fourcc) {
+ ret = 0;
+ break;
+ }
+ }
+ if (ret < 0)
+ goto tw9910_set_fmt_error;
/*
* select suitable norm