[PATCH 302/510] Staging: sst: Construct fw string name runtime

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From: Vinod Koul <vinod.koul@xxxxxxxxx>

The firmware name for each platform is appended by PCI id of device.
This patch makes use of pci id to construct the string rather than
hardcode the string.

Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/staging/intel_sst/intel_sst_common.h       |    3 +--
 .../staging/intel_sst/intel_sst_drv_interface.c    |   11 ++++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/intel_sst/intel_sst_common.h b/drivers/staging/intel_sst/intel_sst_common.h
index a828824..e0c6339 100644
--- a/drivers/staging/intel_sst/intel_sst_common.h
+++ b/drivers/staging/intel_sst/intel_sst_common.h
@@ -33,10 +33,9 @@
 
 /* driver names */
 #define SST_DRV_NAME "intel_sst_driver"
-#define SST_FW_FILENAME_MRST "fw_sst_080a.bin"
-#define SST_FW_FILENAME_MFLD "fw_sst_082f.bin"
 #define SST_MRST_PCI_ID 0x080A
 #define SST_MFLD_PCI_ID 0x082F
+#define PCI_ID_LENGTH 4
 #define SST_SUSPEND_DELAY 2000
 
 enum sst_states {
diff --git a/drivers/staging/intel_sst/intel_sst_drv_interface.c b/drivers/staging/intel_sst/intel_sst_drv_interface.c
index f91c914..ea8e251 100644
--- a/drivers/staging/intel_sst/intel_sst_drv_interface.c
+++ b/drivers/staging/intel_sst/intel_sst_drv_interface.c
@@ -48,13 +48,14 @@ int sst_download_fw(void)
 {
 	int retval;
 	const struct firmware *fw_sst;
-	const char *name;
+	char name[20];
+
 	if (sst_drv_ctx->sst_state != SST_UN_INIT)
 		return -EPERM;
-	if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID)
-		name = SST_FW_FILENAME_MRST;
-	else
-		name = SST_FW_FILENAME_MFLD;
+
+	snprintf(name, sizeof(name), "%s%04x%s", "fw_sst_",
+					sst_drv_ctx->pci_id, ".bin");
+
 	pr_debug("Downloading %s FW now...\n", name);
 	retval = request_firmware(&fw_sst, name, &sst_drv_ctx->pci->dev);
 	if (retval) {
-- 
1.7.3.2

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