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Commit 425e154c authored by Ravi Kumar Alamanda's avatar Ravi Kumar Alamanda Committed by Jean-Michel Trivi
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hal: msm8974: Conditional device switch to swap LR channels 

If the acdb tuning is different for speaker and speaker-reverse
devices, it is must to do device switch.

Bug: 24138099
Change-Id: Ic2130b9700c884a0d838f04545c8dd9406b69304
parent a1478073

hal/msm8974/platform.c

+17 −7
Original line number Diff line number Diff line
@@ -2418,6 +2418,15 @@ int platform_swap_lr_channels(struct audio_device *adev, bool swap_channels) 
            usecase = node_to_item(node, struct audio_usecase, list);

            if (usecase->type == PCM_PLAYBACK &&

                    usecase->stream.out->devices & AUDIO_DEVICE_OUT_SPEAKER) {

                /*

                 * If acdb tuning is different for SPEAKER_REVERSE, it is must

                 * to perform device switch to disable the current backend to

                 * enable it with new acdb data.

                 */

                if (acdb_device_table[SND_DEVICE_OUT_SPEAKER] !=

                    acdb_device_table[SND_DEVICE_OUT_SPEAKER_REVERSE]) {

                    select_devices(adev, usecase->id);

                } else {

                    const char *mixer_path;

                    if (swap_channels) {

                        mixer_path = platform_get_snd_device_name(SND_DEVICE_OUT_SPEAKER_REVERSE);
@@ -2426,6 +2435,7 @@ int platform_swap_lr_channels(struct audio_device *adev, bool swap_channels) 
                        mixer_path = platform_get_snd_device_name(SND_DEVICE_OUT_SPEAKER);

                        audio_route_apply_and_update_path(adev->audio_route, mixer_path);

                    }

                }

                break;

            }

        }