staging: rtl8723bs: move function to file hal/odm_HWConfig.c

move function odm_cck_rssi() to hal/odm_HWConfig.c.
As it is used only in this file turn it to
static.
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/c2bb14c3d32d3a654df95288751f0bc8cd6566b0.1628329348.git.fabioaiuto83@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/odm_HWConfig.c

@@ -71,6 +71,33 @@ static u8 odm_evm_db_to_percentage(s8 value)
 	return ret_val;
 }
 
+static s8 odm_cck_rssi(u8 lna_idx, u8 vga_idx)
+{
+	s8 rx_pwr_all = 0x00;
+
+	switch (lna_idx) {
+	/* 46  53 73 95 201301231630 */
+	/*  46 53 77 99 201301241630 */
+
+	case 6:
+		rx_pwr_all = -34 - (2 * vga_idx);
+		break;
+	case 4:
+		rx_pwr_all = -14 - (2 * vga_idx);
+		break;
+	case 1:
+		rx_pwr_all = 6 - (2 * vga_idx);
+		break;
+	case 0:
+		rx_pwr_all = 16 - (2 * vga_idx);
+		break;
+	default:
+		/* rx_pwr_all = -53+(2*(31-VGA_idx)); */
+		break;
+	}
+	return rx_pwr_all;
+}
+
 static void odm_rx_phy_status_parsing(struct dm_odm_t *dm_odm,
 				      struct odm_phy_info *phy_info,
 				      u8 *phy_status,

drivers/staging/rtl8723bs/hal/odm_RTL8723B.c

@@ -6,31 +6,3 @@
  ******************************************************************************/
 
 #include "odm_precomp.h"
-
-s8 odm_cck_rssi(u8 lna_idx, u8 vga_idx)
-{
-	s8 rx_pwr_all = 0x00;
-
-	switch (lna_idx) {
-	/* 46  53 73 95 201301231630 */
-	/*  46 53 77 99 201301241630 */
-
-	case 6:
-		rx_pwr_all = -34 - (2 * vga_idx);
-		break;
-	case 4:
-		rx_pwr_all = -14 - (2 * vga_idx);
-		break;
-	case 1:
-		rx_pwr_all = 6 - (2 * vga_idx);
-		break;
-	case 0:
-		rx_pwr_all = 16 - (2 * vga_idx);
-		break;
-	default:
-		/* rx_pwr_all = -53+(2*(31-VGA_idx)); */
-		break;
-
-	}
-	return rx_pwr_all;
-}

drivers/staging/rtl8723bs/hal/odm_RTL8723B.h

@@ -9,6 +9,4 @@
 
 #define	DM_DIG_MIN_NIC_8723	0x1C
 
-s8 odm_cck_rssi(u8 LNA_idx, u8 VGA_idx);
-
 #endif