Hi
On 14.12.2016 15:03, Pali Rohár wrote:
Hi! See inlined some my notes.
+
+#ifdef USE_CRC
+ rval = et8ek8_i2c_read_reg(client, ET8EK8_REG_8BIT, 0x1263, &val);
+ if (rval)
+ goto out;
+#if USE_CRC /* TODO get crc setting from DT */
+ val |= BIT(4);
+#else
+ val &= ~BIT(4);
+#endif
+ rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x1263, val);
+ if (rval)
+ goto out;
+#endif
USE_CRC is defined to 1. Do we need that #ifdef check at all?
What with above TODO?
+
It becomes a bit more complicated :) - on n900, front camera doesn't use
CRC, while back camera does. Right now there is no way, even if we use
video bus switch driver, to tell ISP to have 2 ports with different
settings, not only for CRC, but for strobe, etc. Look at that commit
https://github.com/freemangordon/linux-n900/commit/e5582fa56bbc0161d6c567157df42433829ee4de.
What I think here is that ISP should take settings from the remote
endpoints rather from it's local port. So far it does not.
So, until there is a way for ISP to have more than one CCP channel with
different settings, I can't think of anything we can do here but to
place TODO.
Ivo
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