From a2fd00cf38d991eed23efd8f780edf9c39c1d05f Mon Sep 17 00:00:00 2001
From: Dana Conrad <dconrad@fastmail.com>
Date: Sat, 31 Jul 2021 21:05:40 -0500
Subject: [PATCH] Software Volume: Remove sample rounding

Change-Id: I630139333d64b4c8cae86939ecfc52c44a34ffea
---
 firmware/pcm_sw_volume.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/firmware/pcm_sw_volume.c b/firmware/pcm_sw_volume.c
index 29049059e6..7322269f44 100644
--- a/firmware/pcm_sw_volume.c
+++ b/firmware/pcm_sw_volume.c
@@ -51,10 +51,10 @@ static typeof (memcpy) *pcm_scaling_fn = NULL;
 #define PCM_F_T int64_t /* Requires large integer math */
 #endif /* PCM_SW_VOLUME_FRACBITS */
 
-/* Scale and round sample by PCM factor */
+/* Scale sample by PCM factor */
 static inline int32_t pcm_scale_sample(PCM_F_T f, int32_t s)
 {
-    return (f * s + (PCM_F_T)PCM_FACTOR_UNITY/2) >> PCM_SW_VOLUME_FRACBITS;
+    return (f * s) >> PCM_SW_VOLUME_FRACBITS;
 }
 
 /* Both UNITY, use direct copy */