android/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[media] r820t: avoid rewrite all regs when not needed

Browse Source 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
This commit is contained in:
Mauro Carvalho Chehab 2013-04-11 13:22:21 -03:00
parent 52775fd5b5
commit 4176e7ea88
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/media/tuners/r820t.c
View File

@ -2006,18 +2006,17 @@ static int r820t_imr_callibrate(struct r820t_priv *priv)
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)