MCP3911_GAIN_MASK
MCP3911_GAIN_MASK(channel),
MCP3911_GAIN_MASK(channel),
#define MCP3911_GAIN_VAL(ch, val) ((val << 3 * (ch)) & MCP3911_GAIN_MASK(ch))
regval &= ~MCP3911_GAIN_MASK(i);
regval &= ~MCP3911_GAIN_MASK(i);
MCP3911_GAIN_MASK(i),