ASoC: samsung: spdif: Fix DMA filter initialization

This patch fixes issues introduced in commit 73f5dfc68316bef2ab7062ec
"ASoC: samsung: get access to DMA engine early to defer probe properly"
and indicated by a following compilation warning:

  CC [M]  sound/soc/samsung/spdif.o
sound/soc/samsung/spdif.c: In function ‘spdif_probe’:
sound/soc/samsung/spdif.c:419:6: warning: ‘filter’ may be used uninitialized
in this function [-Wuninitialized]

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 9 insertions, 10 deletions

diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c
index 704b7b12bf8b..779504f54bc0 100644
--- a/sound/soc/samsung/spdif.c
+++ b/sound/soc/samsung/spdif.c
@@ -416,6 +416,15 @@ static int spdif_probe(struct platform_device *pdev)
                 goto err3;
         }
 
+        spdif_stereo_out.addr_width = 2;
+        spdif_stereo_out.addr = mem_res->start + DATA_OUTBUF;
+        filter = NULL;
+        if (spdif_pdata) {
+                spdif_stereo_out.filter_data = spdif_pdata->dma_playback;
+                filter = spdif_pdata->dma_filter;
+        }
+        spdif->dma_playback = &spdif_stereo_out;
+
         ret = samsung_asoc_dma_platform_register(&pdev->dev, filter,
                                                  NULL, NULL);
         if (ret) {
@@ -432,16 +441,6 @@ static int spdif_probe(struct platform_device *pdev)
                 goto err4;
         }
 
-        spdif_stereo_out.addr_width = 2;
-        spdif_stereo_out.addr = mem_res->start + DATA_OUTBUF;
-        filter = NULL;
-        if (spdif_pdata) {
-                spdif_stereo_out.filter_data = spdif_pdata->dma_playback;
-                filter = spdif_pdata->dma_filter;
-        }
-
-        spdif->dma_playback = &spdif_stereo_out;
-
         return 0;
 err4:
         iounmap(spdif->regs);