[media] r820t: avoid rewrite all regs when not needed
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index 2e6a690..fc660f2 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -2006,18 +2006,17 @@
if (priv->init_done)
return 0;
- /* Initialize registers */
- rc = r820t_write(priv, 0x05,
- r820t_init_array, sizeof(r820t_init_array));
- if (rc < 0)
- return rc;
-
/* Detect Xtal capacitance */
if ((priv->cfg->rafael_chip == CHIP_R820T) ||
(priv->cfg->rafael_chip == CHIP_R828S) ||
(priv->cfg->rafael_chip == CHIP_R820C)) {
priv->xtal_cap_sel = XTAL_HIGH_CAP_0P;
} 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++) {
rc = r820t_xtal_check(priv);
if (rc < 0)