[Sound-open-firmware] [PATCH] apollolake: probe all valid SSP ports at platform init

[Keyon Jie]

Add macro for apollolake valid SSP ports, and probe all of them
at platform init.

Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
---
Tested on GP-MRB,
SOF Master: f7beb51118e6e8463a864b9416c773a508930e06,
SOF Tool Master: 59d81995f682876bd34f939332e8838c76f714ec,
https://github.com/plbossart/sound/tree/topic/sof-v4.14:
5a91e6776d41b0e97828882294cdc00b5c0bafd6

 src/platform/apollolake/include/platform/platform.h |  2 ++
 src/platform/apollolake/platform.c                  | 14 +++++++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/platform/apollolake/include/platform/platform.h b/src/platform/apollolake/include/platform/platform.h
index 4165b95..f7c83e8 100644
--- a/src/platform/apollolake/include/platform/platform.h
+++ b/src/platform/apollolake/include/platform/platform.h
@@ -38,6 +38,8 @@
 
 struct reef;
 
+#define PLATFORM_SSP_COUNT 6
+
 /* Host page size */
 #define HOST_PAGE_SIZE		4096
 #define PLATFORM_PAGE_TABLE_SIZE	256
diff --git a/src/platform/apollolake/platform.c b/src/platform/apollolake/platform.c
index bb44634..608695a 100644
--- a/src/platform/apollolake/platform.c
+++ b/src/platform/apollolake/platform.c
@@ -178,7 +178,8 @@ int platform_init(struct reef *reef)
 {
 	struct dma *dmac0;
 	struct dma *dmac1;
-	struct dai *ssp2;
+	struct dai *ssp;
+	int i;
 
 	platform_interrupt_init();
 
@@ -244,9 +245,12 @@ int platform_init(struct reef *reef)
 
 	/* init SSP ports */
 	trace_point(TRACE_BOOT_PLATFORM_SSP);
-	ssp2 = dai_get(SOF_DAI_INTEL_SSP, 4);
-	if (ssp2 == NULL)
-		return -ENODEV;
-	dai_probe(ssp2);
+	for (i = 0; i < PLATFORM_SSP_COUNT; i++) {
+		ssp = dai_get(SOF_DAI_INTEL_SSP, i);
+		if (!ssp)
+			return -ENODEV;
+		dai_probe(ssp);
+	}
+
 	return 0;
 }
-- 
2.11.0