--- zzzz-none-000/linux-3.10.107/drivers/isdn/mISDN/dsp_cmx.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/isdn/mISDN/dsp_cmx.c	2021-02-04 17:41:59.000000000 +0000
@@ -295,7 +295,7 @@
 		}
 	}
 	printk(KERN_WARNING
-	       "%s: dsp is not present in its own conf_meber list.\n",
+	       "%s: dsp is not present in its own conf_member list.\n",
 	       __func__);
 
 	return -EINVAL;
@@ -506,7 +506,7 @@
 		       __func__, conf->id);
 
 	if (list_empty(&conf->mlist)) {
-		printk(KERN_ERR "%s: conference whithout members\n",
+		printk(KERN_ERR "%s: conference without members\n",
 		       __func__);
 		return;
 	}
@@ -1454,66 +1454,63 @@
 #ifdef CMX_CONF_DEBUG
 	if (0) {
 #else
-		if (members == 2) {
+	if (members == 2) {
 #endif
-			/* "other" becomes other party */
-			other = (list_entry(conf->mlist.next,
-					    struct dsp_conf_member, list))->dsp;
-			if (other == member)
-				other = (list_entry(conf->mlist.prev,
-						    struct dsp_conf_member, list))->dsp;
-			o_q = other->rx_buff; /* received data */
-			o_rr = (other->rx_R + len) & CMX_BUFF_MASK;
-			/* end of rx-pointer */
-			o_r = (o_rr - rr + r) & CMX_BUFF_MASK;
-			/* start rx-pointer at current read position*/
-			/* -> if echo is NOT enabled */
-			if (!dsp->echo.software) {
-				/*
-				 * -> copy other member's rx-data,
-				 * if tx-data is available, mix
-				 */
-				while (o_r != o_rr && t != tt) {
-					*d++ = dsp_audio_mix_law[(p[t] << 8) | o_q[o_r]];
-					t = (t + 1) & CMX_BUFF_MASK;
-					o_r = (o_r + 1) & CMX_BUFF_MASK;
-				}
-				while (o_r != o_rr) {
-					*d++ = o_q[o_r];
-					o_r = (o_r + 1) & CMX_BUFF_MASK;
-				}
-				/* -> if echo is enabled */
-			} else {
-				/*
-				 * -> mix other member's rx-data with echo,
-				 * if tx-data is available, mix
-				 */
-				while (r != rr && t != tt) {
-					sample = dsp_audio_law_to_s32[p[t]] +
-						dsp_audio_law_to_s32[q[r]] +
-						dsp_audio_law_to_s32[o_q[o_r]];
-					if (sample < -32768)
-						sample = -32768;
-					else if (sample > 32767)
-						sample = 32767;
-					*d++ = dsp_audio_s16_to_law[sample & 0xffff];
-					/* tx-data + rx_data + echo */
-					t = (t + 1) & CMX_BUFF_MASK;
-					r = (r + 1) & CMX_BUFF_MASK;
-					o_r = (o_r + 1) & CMX_BUFF_MASK;
-				}
-				while (r != rr) {
-					*d++ = dsp_audio_mix_law[(q[r] << 8) | o_q[o_r]];
-					r = (r + 1) & CMX_BUFF_MASK;
-					o_r = (o_r + 1) & CMX_BUFF_MASK;
-				}
+		/* "other" becomes other party */
+		other = (list_entry(conf->mlist.next,
+				    struct dsp_conf_member, list))->dsp;
+		if (other == member)
+			other = (list_entry(conf->mlist.prev,
+				    struct dsp_conf_member, list))->dsp;
+		o_q = other->rx_buff; /* received data */
+		o_rr = (other->rx_R + len) & CMX_BUFF_MASK;
+		/* end of rx-pointer */
+		o_r = (o_rr - rr + r) & CMX_BUFF_MASK;
+		/* start rx-pointer at current read position*/
+		/* -> if echo is NOT enabled */
+		if (!dsp->echo.software) {
+			/*
+			 * -> copy other member's rx-data,
+			 * if tx-data is available, mix
+			 */
+			while (o_r != o_rr && t != tt) {
+				*d++ = dsp_audio_mix_law[(p[t] << 8) | o_q[o_r]];
+				t = (t + 1) & CMX_BUFF_MASK;
+				o_r = (o_r + 1) & CMX_BUFF_MASK;
+			}
+			while (o_r != o_rr) {
+				*d++ = o_q[o_r];
+				o_r = (o_r + 1) & CMX_BUFF_MASK;
+			}
+			/* -> if echo is enabled */
+		} else {
+			/*
+			 * -> mix other member's rx-data with echo,
+			 * if tx-data is available, mix
+			 */
+			while (r != rr && t != tt) {
+				sample = dsp_audio_law_to_s32[p[t]] +
+					dsp_audio_law_to_s32[q[r]] +
+					dsp_audio_law_to_s32[o_q[o_r]];
+				if (sample < -32768)
+					sample = -32768;
+				else if (sample > 32767)
+					sample = 32767;
+				*d++ = dsp_audio_s16_to_law[sample & 0xffff];
+				/* tx-data + rx_data + echo */
+				t = (t + 1) & CMX_BUFF_MASK;
+				r = (r + 1) & CMX_BUFF_MASK;
+				o_r = (o_r + 1) & CMX_BUFF_MASK;
+			}
+			while (r != rr) {
+				*d++ = dsp_audio_mix_law[(q[r] << 8) | o_q[o_r]];
+				r = (r + 1) & CMX_BUFF_MASK;
+				o_r = (o_r + 1) & CMX_BUFF_MASK;
 			}
-			dsp->tx_R = t;
-			goto send_packet;
 		}
-#ifdef DSP_NEVER_DEFINED
+		dsp->tx_R = t;
+		goto send_packet;
 	}
-#endif
 	/* PROCESS DATA (three or more members) */
 	/* -> if echo is NOT enabled */
 	if (!dsp->echo.software) {