[PATCH v4 4/5] libcamera: software_isp: Remove DebayerParams::kGain10

[Milan Zamazal]

The constant is used in a single place internally and doesn't belong to
DebayerParams anymore.  Let's use 256 directly.

Signed-off-by: Milan Zamazal <mzamazal at redhat.com>
Reviewed-by: Andrei Konovalov <andrey.konovalov.ynk at gmail.com>
---
 include/libcamera/internal/software_isp/debayer_params.h | 1 -
 src/ipa/simple/soft_simple.cpp                           | 3 +--
 src/libcamera/software_isp/debayer.cpp                   | 5 -----
 3 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/include/libcamera/internal/software_isp/debayer_params.h b/include/libcamera/internal/software_isp/debayer_params.h
index 69fed1e7..2f75b4b5 100644
--- a/include/libcamera/internal/software_isp/debayer_params.h
+++ b/include/libcamera/internal/software_isp/debayer_params.h
@@ -16,7 +16,6 @@
 namespace libcamera {
 
 struct DebayerParams {
-	static constexpr unsigned int kGain10 = 256;
 	static constexpr unsigned int kRGBLookupSize = 256;
 	static constexpr float kGamma = 0.5;
 
diff --git a/src/ipa/simple/soft_simple.cpp b/src/ipa/simple/soft_simple.cpp
index 2c9fe98e..26597c99 100644
--- a/src/ipa/simple/soft_simple.cpp
+++ b/src/ipa/simple/soft_simple.cpp
@@ -289,8 +289,7 @@ void IPASoftSimple::processStats(const ControlList &sensorControls)
 
 	for (unsigned int i = 0; i < DebayerParams::kRGBLookupSize; i++) {
 		constexpr unsigned int div =
-			DebayerParams::kRGBLookupSize * DebayerParams::kGain10 /
-			kGammaLookupSize;
+			DebayerParams::kRGBLookupSize * 256 / kGammaLookupSize;
 		unsigned int idx;
 
 		/* Apply gamma after gain! */
diff --git a/src/libcamera/software_isp/debayer.cpp b/src/libcamera/software_isp/debayer.cpp
index 028bf27e..80bf5dbe 100644
--- a/src/libcamera/software_isp/debayer.cpp
+++ b/src/libcamera/software_isp/debayer.cpp
@@ -18,11 +18,6 @@ namespace libcamera {
  * \brief Struct to hold the debayer parameters.
  */
 
-/**
- * \var DebayerParams::kGain10
- * \brief const value for 1.0 gain
- */
-
 /**
  * \var DebayerParams::kRGBLookupSize
  * \brief Size of a color lookup table
-- 
2.42.0