commit e3d362ff6e0c6f298ae3d7ac01f5a690a407e09f
author Mingshu Pang <mpang@codeaurora.org> Fri Dec 13 18:00:00 2019 +0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu Dec 26 01:18:28 2019 -0800
tree 80e37e2d82b2752c1c56f9fab997111293ce8d7f
parent b7ca4d27ebb91ca86fefd454959673bedc4cd6e9

AHAL: Reset SR to 48khz if the backend doesn't support the multiple of 44.1khz

It needs to reset sample rate to 48khz if sample rate is less than 44.1khz, or
device backend does not support the multiple of 44.1khz.

CRs-fixed: 2586939
Change-Id: I5a00121bb997ce68640cdf15a5f8e2f5d7d4a027

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index f955bab..59025ca 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -8750,8 +8750,11 @@
             ALOGD("%s:becf: afe: napb not active - set non fractional rate",
                        __func__);
         }
-        /*reset sample rate to 48khz if sample rate less than 44.1khz, or device backend dose not support 44.1 khz*/
-        if ((sample_rate == OUTPUT_SAMPLING_RATE_44100 &&
+        /*
+         * reset sample rate to 48khz if sample rate less than 44.1khz, or device backend does not
+         * support 44.1 khz and the multiple of 44.1khz
+         */
+        if ((sample_rate % OUTPUT_SAMPLING_RATE_44100 == 0 &&
              backend_idx != HEADPHONE_44_1_BACKEND &&
              backend_idx != HEADPHONE_BACKEND &&
              backend_idx != USB_AUDIO_RX_BACKEND) ||