Merge tag 'v4.4.6' into linux-linaro-lsk-v4.4

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / radeon_audio.c

diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
index 85e1c234f0203761f80d2d92e9af9c8c3f909b1b..b214663b370da00905faa882ea27513153aa91bd 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -775,3 +775,15 @@ void radeon_audio_dpms(struct drm_encoder *encoder, int mode)
        if (radeon_encoder->audio && radeon_encoder->audio->dpms)
                radeon_encoder->audio->dpms(encoder, mode == DRM_MODE_DPMS_ON);
 }
+
+unsigned int radeon_audio_decode_dfs_div(unsigned int div)
+{
+       if (div >= 8 && div < 64)
+               return (div - 8) * 25 + 200;
+       else if (div >= 64 && div < 96)
+               return (div - 64) * 50 + 1600;
+       else if (div >= 96 && div < 128)
+               return (div - 96) * 100 + 3200;
+       else
+               return 0;
+}