[media] r820t: avoid rewrite all regs when not needed (4176e7ea) · Commits · e / devices / android_kernel_teracube_emerald

drivers/media/tuners/r820t.c

+5 −6

Original line number	Original line	Diff line number	Diff line
	@@ -2006,18 +2006,17 @@ static int r820t_imr_callibrate(struct r820t_priv *priv)
	if (priv->init_done)		if (priv->init_done)
	return 0;		return 0;

	/* Initialize registers */
	rc = r820t_write(priv, 0x05,
	r820t_init_array, sizeof(r820t_init_array));
	if (rc < 0)
	return rc;

	/* Detect Xtal capacitance */		/* Detect Xtal capacitance */
	if ((priv->cfg->rafael_chip == CHIP_R820T) \|\|		if ((priv->cfg->rafael_chip == CHIP_R820T) \|\|
	(priv->cfg->rafael_chip == CHIP_R828S) \|\|		(priv->cfg->rafael_chip == CHIP_R828S) \|\|
	(priv->cfg->rafael_chip == CHIP_R820C)) {		(priv->cfg->rafael_chip == CHIP_R820C)) {
	priv->xtal_cap_sel = XTAL_HIGH_CAP_0P;		priv->xtal_cap_sel = XTAL_HIGH_CAP_0P;
	} else {		} else {
			/* Initialize registers */
			rc = r820t_write(priv, 0x05,
			r820t_init_array, sizeof(r820t_init_array));
			if (rc < 0)
			return rc;
	for (i = 0; i < 3; i++) {		for (i = 0; i < 3; i++) {
	rc = r820t_xtal_check(priv);		rc = r820t_xtal_check(priv);
	if (rc < 0)		if (rc < 0)