radeon/audio: fix whitespace

Use proper tabs.
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/dce6_afmt.c

@@ -252,40 +252,40 @@ void dce6_audio_enable(struct radeon_device *rdev,
 void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
 	struct radeon_crtc *crtc, unsigned int clock)
 {
-    /* Two dtos; generally use dto0 for HDMI */
+	/* Two dtos; generally use dto0 for HDMI */
 	u32 value = 0;
 
-    if (crtc)
+	if (crtc)
 		value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
 
 	WREG32(DCCG_AUDIO_DTO_SOURCE, value);
 
-    /* Express [24MHz / target pixel clock] as an exact rational
-     * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
-     * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
-     */
-    WREG32(DCCG_AUDIO_DTO0_PHASE, 24000);
-    WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
+	/* Express [24MHz / target pixel clock] as an exact rational
+	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
+	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
+	 */
+	WREG32(DCCG_AUDIO_DTO0_PHASE, 24000);
+	WREG32(DCCG_AUDIO_DTO0_MODULE, clock);
 }
 
 void dce6_dp_audio_set_dto(struct radeon_device *rdev,
 	struct radeon_crtc *crtc, unsigned int clock)
 {
-    /* Two dtos; generally use dto1 for DP */
+	/* Two dtos; generally use dto1 for DP */
 	u32 value = 0;
 	value |= DCCG_AUDIO_DTO_SEL;
 
-    if (crtc)
+	if (crtc)
 		value |= DCCG_AUDIO_DTO0_SOURCE_SEL(crtc->crtc_id);
 
 	WREG32(DCCG_AUDIO_DTO_SOURCE, value);
 
-    /* Express [24MHz / target pixel clock] as an exact rational
-     * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
-     * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
-     */
-    WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
-    WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
+	/* Express [24MHz / target pixel clock] as an exact rational
+	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
+	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
+	 */
+	WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
+	WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
 }
 
 void dce6_dp_enable(struct drm_encoder *encoder, bool enable)