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path: root/drivers/media/video/bttv-driver.c
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Diffstat (limited to 'drivers/media/video/bttv-driver.c')
-rw-r--r--drivers/media/video/bttv-driver.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 3c58a2a68906..24f5afddafbb 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -727,71 +727,71 @@ void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
{
- unsigned char fl, fh, fi;
+ unsigned char fl, fh, fi;
- /* prevent overflows */
- fin/=4;
- fout/=4;
+ /* prevent overflows */
+ fin/=4;
+ fout/=4;
- fout*=12;
- fi=fout/fin;
+ fout*=12;
+ fi=fout/fin;
- fout=(fout%fin)*256;
- fh=fout/fin;
+ fout=(fout%fin)*256;
+ fh=fout/fin;
- fout=(fout%fin)*256;
- fl=fout/fin;
+ fout=(fout%fin)*256;
+ fl=fout/fin;
- btwrite(fl, BT848_PLL_F_LO);
- btwrite(fh, BT848_PLL_F_HI);
- btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
+ btwrite(fl, BT848_PLL_F_LO);
+ btwrite(fh, BT848_PLL_F_HI);
+ btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
}
static void set_pll(struct bttv *btv)
{
- int i;
+ int i;
- if (!btv->pll.pll_crystal)
- return;
+ if (!btv->pll.pll_crystal)
+ return;
if (btv->pll.pll_ofreq == btv->pll.pll_current) {
dprintk("bttv%d: PLL: no change required\n",btv->c.nr);
- return;
- }
+ return;
+ }
- if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
- /* no PLL needed */
- if (btv->pll.pll_current == 0)
- return;
+ if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
+ /* no PLL needed */
+ if (btv->pll.pll_current == 0)
+ return;
bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n",
- btv->c.nr,btv->pll.pll_ifreq);
- btwrite(0x00,BT848_TGCTRL);
- btwrite(0x00,BT848_PLL_XCI);
- btv->pll.pll_current = 0;
- return;
- }
+ btv->c.nr,btv->pll.pll_ifreq);
+ btwrite(0x00,BT848_TGCTRL);
+ btwrite(0x00,BT848_PLL_XCI);
+ btv->pll.pll_current = 0;
+ return;
+ }
bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr,
- btv->pll.pll_ifreq, btv->pll.pll_ofreq);
+ btv->pll.pll_ifreq, btv->pll.pll_ofreq);
set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
- for (i=0; i<10; i++) {
+ for (i=0; i<10; i++) {
/* Let other people run while the PLL stabilizes */
bttv_printk(".");
msleep(10);
- if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
+ if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
btwrite(0,BT848_DSTATUS);
- } else {
- btwrite(0x08,BT848_TGCTRL);
- btv->pll.pll_current = btv->pll.pll_ofreq;
+ } else {
+ btwrite(0x08,BT848_TGCTRL);
+ btv->pll.pll_current = btv->pll.pll_ofreq;
bttv_printk(" ok\n");
- return;
- }
- }
- btv->pll.pll_current = -1;
+ return;
+ }
+ }
+ btv->pll.pll_current = -1;
bttv_printk("failed\n");
- return;
+ return;
}
/* used to switch between the bt848's analog/digital video capture modes */
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