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RGB color transformation

When I let DCRAW apply demosaicing, a color transformation based on the rgb_cam matrix is carried out in convert_to_rgb().
This transformation (within sRGB color space) gives my images a warm and slightly greenish look, which is not present in accompanying JPGs (taken with 'sunny' color balance).
For my camera, a Canon EOS 1100D, I found the rgb_cam matrix to be filled in by the adobe_coeff() function.
Should I really use this transformation? Or is there a better way to correct the cross-sensitivity of the color filters?