V4L/DVB (13545): em28xx: properly select IR protocol based on the IR table

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/em28xx/em28xx-core.c

@@ -216,7 +216,7 @@ int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val)
  * sets only some bits (specified by bitmask) of a register, by first reading
  * the actual value
  */
-static int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
+int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
 				 u8 bitmask)
 {
 	int oldval;

drivers/media/video/em28xx/em28xx-input.c

@@ -337,19 +337,28 @@ int em28xx_ir_init(struct em28xx *dev)
 		goto err_out_free;
 
 	ir->input = input_dev;
+	ir_config = EM2874_IR_RC5;
+
+	/* Adjust xclk based o IR table for RC5/NEC tables */
+	if (dev->board.ir_codes->ir_type == IR_TYPE_RC5) {
+		dev->board.xclk |= EM28XX_XCLK_IR_RC5_MODE;
+		ir->full_code = 1;
+	} else  if (dev->board.ir_codes->ir_type == IR_TYPE_NEC) {
+		dev->board.xclk &= ~EM28XX_XCLK_IR_RC5_MODE;
+		ir_config = EM2874_IR_NEC;
+		ir->full_code = 1;
+	}
+	em28xx_write_reg_bits(dev, EM28XX_R0F_XCLK, dev->board.xclk,
+			      EM28XX_XCLK_IR_RC5_MODE);
 
 	/* Setup the proper handler based on the chip */
 	switch (dev->chip_id) {
 	case CHIP_ID_EM2860:
 	case CHIP_ID_EM2883:
-		if (dev->model == EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950)
-			ir->full_code = 1;
 		ir->get_key = default_polling_getkey;
 		break;
 	case CHIP_ID_EM2874:
 		ir->get_key = em2874_polling_getkey;
-		/* For now we only support RC5, so enable it */
-		ir_config = EM2874_IR_RC5;
 		em28xx_write_regs(dev, EM2874_R50_IR_CONFIG, &ir_config, 1);
 		break;
 	default:

drivers/media/video/em28xx/em28xx.h

@@ -643,6 +643,8 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
 			  int len);
 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
+int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,
+				 u8 bitmask);
 
 int em28xx_read_ac97(struct em28xx *dev, u8 reg);
 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);