1 files changed, 22 insertions, 0 deletions

diff --git a/apps/plugins/lib/grey_core.c b/apps/plugins/lib/grey_core.c
index 27f7e585d8..c2e0747718 100644
--- a/apps/plugins/lib/grey_core.c
+++ b/apps/plugins/lib/grey_core.c
@@ -298,6 +298,28 @@ static const unsigned char lcdlinear[256] = {
 };
 #define LCD_SCANRATE 153 /* Hz */
 
+#elif defined MPIO_HD300         /* verified */
+/* Measurement of one iAudio M5L */
+static const unsigned char lcdlinear[256] = {
+  4,   6,   8,  10,  11,  13,  15,  17,  19,  21,  22,  24,  25,  27,  28,  30,
+ 32,  33,  35,  36,  37,  39,  40,  42,  43,  44,  45,  46,  48,  49,  50,  51,
+ 52,  52,  53,  54,  55,  55,  56,  57,  58,  58,  59,  60,  61,  61,  62,  63,
+ 64,  64,  65,  65,  66,  66,  67,  67,  68,  68,  69,  70,  70,  71,  72,  72,
+ 73,  73,  74,  75,  75,  76,  77,  77,  78,  78,  79,  79,  80,  80,  81,  81,
+ 82,  82,  83,  84,  84,  85,  86,  86,  87,  87,  88,  89,  89,  90,  91,  91,
+ 92,  92,  93,  93,  94,  94,  95,  95,  96,  96,  97,  98,  98,  99, 100, 100,
+101, 101, 102, 102, 103, 103, 104, 104, 105, 105, 106, 106, 107, 107, 108, 108,
+109, 109, 110, 110, 111, 111, 112, 112, 113, 113, 114, 114, 115, 115, 116, 116,
+117, 117, 118, 119, 119, 120, 121, 121, 122, 122, 123, 124, 124, 125, 126, 126,
+127, 127, 128, 129, 130, 130, 131, 132, 133, 133, 134, 135, 135, 136, 137, 137,
+138, 139, 140, 141, 142, 142, 143, 144, 145, 146, 147, 148, 149, 149, 150, 151,
+152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 163, 164, 165, 167, 168, 169,
+170, 172, 173, 175, 177, 179, 180, 182, 184, 186, 188, 190, 192, 194, 196, 198,
+200, 202, 204, 205, 207, 209, 210, 212, 214, 216, 218, 219, 221, 223, 224, 226,
+228, 230, 231, 233, 235, 236, 237, 239, 241, 243, 244, 246, 248, 249, 250, 252
+};
+#define LCD_SCANRATE 73 /* Hz */
+
 #else  /* not yet calibrated targets - generic linear mapping */
 /* TODO: calibrate iFP7xx */
 static const unsigned char lcdlinear[256] = {