---

yaml
---
r: 250165
b: refs/heads/master
c: 362d3a3
h: refs/heads/master
i:
  250163: 79a81a1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 56c0893c4f66a5d249b8981101755bec5890500d
+refs/heads/master: 362d3a3a9592598cef1d3e211ad998eb844dc5f3

trunk/drivers/media/rc/nuvoton-cir.c

@@ -37,8 +37,6 @@
 
 #include "nuvoton-cir.h"
 
-static char *chip_id = "w836x7hg";
-
 /* write val to config reg */
 static inline void nvt_cr_write(struct nvt_dev *nvt, u8 val, u8 reg)
 {
@@ -233,6 +231,8 @@ static int nvt_hw_detect(struct nvt_dev *nvt)
 	unsigned long flags;
 	u8 chip_major, chip_minor;
 	int ret = 0;
+	char chip_id[12];
+	bool chip_unknown = false;
 
 	nvt_efm_enable(nvt);
 
@@ -246,15 +246,39 @@ static int nvt_hw_detect(struct nvt_dev *nvt)
 	}
 
 	chip_minor = nvt_cr_read(nvt, CR_CHIP_ID_LO);
-	nvt_dbg("%s: chip id: 0x%02x 0x%02x", chip_id, chip_major, chip_minor);
 
-	if (chip_major != CHIP_ID_HIGH ||
-	    (chip_minor != CHIP_ID_LOW && chip_minor != CHIP_ID_LOW2)) {
-		nvt_pr(KERN_ERR, "%s: unsupported chip, id: 0x%02x 0x%02x",
-		       chip_id, chip_major, chip_minor);
-		ret = -ENODEV;
+	/* these are the known working chip revisions... */
+	switch (chip_major) {
+	case CHIP_ID_HIGH_667:
+		strcpy(chip_id, "w83667hg\0");
+		if (chip_minor != CHIP_ID_LOW_667)
+			chip_unknown = true;
+		break;
+	case CHIP_ID_HIGH_677B:
+		strcpy(chip_id, "w83677hg\0");
+		if (chip_minor != CHIP_ID_LOW_677B2 &&
+		    chip_minor != CHIP_ID_LOW_677B3)
+			chip_unknown = true;
+		break;
+	case CHIP_ID_HIGH_677C:
+		strcpy(chip_id, "w83677hg-c\0");
+		if (chip_minor != CHIP_ID_LOW_677C)
+			chip_unknown = true;
+		break;
+	default:
+		strcpy(chip_id, "w836x7hg\0");
+		chip_unknown = true;
+		break;
 	}
 
+	/* warn, but still let the driver load, if we don't know this chip */
+	if (chip_unknown)
+		nvt_pr(KERN_WARNING, "%s: unknown chip, id: 0x%02x 0x%02x, "
+		       "it may not work...", chip_id, chip_major, chip_minor);
+	else
+		nvt_dbg("%s: chip id: 0x%02x 0x%02x",
+			chip_id, chip_major, chip_minor);
+
 	nvt_efm_disable(nvt);
 
 	spin_lock_irqsave(&nvt->nvt_lock, flags);

trunk/drivers/media/rc/nuvoton-cir.h

@@ -330,9 +330,13 @@ struct nvt_dev {
 #define EFER_EFM_DISABLE	0xaa
 
 /* Chip IDs found in CR_CHIP_ID_{HI,LO} */
-#define CHIP_ID_HIGH		0xb4
-#define CHIP_ID_LOW		0x72
-#define CHIP_ID_LOW2		0x73
+#define CHIP_ID_HIGH_667	0xa5
+#define CHIP_ID_HIGH_677B	0xb4
+#define CHIP_ID_HIGH_677C	0xc3
+#define CHIP_ID_LOW_667		0x13
+#define CHIP_ID_LOW_677B2	0x72
+#define CHIP_ID_LOW_677B3	0x73
+#define CHIP_ID_LOW_677C	0x33
 
 /* Config regs we need to care about */
 #define CR_SOFTWARE_RESET	0x02