pll_read
atom_card_info->pll_read = cail_pll_read;
val = gctx->card->pll_read(gctx->card, idx);
uint32_t (*pll_read)(struct card_info *info, uint32_t reg); /* filled by driver */
val = pll_read(pll, REG_HDMI_8960_PHY_PLL_PWRDN_B);
val = pll_read(pll, REG_HDMI_8960_PHY_PLL_STATUS0);
val = pll_read(pll, REG_HDMI_8960_PHY_PLL_PWRDN_B);
val = gctx->card->pll_read(gctx->card, idx);
uint32_t (* pll_read)(struct card_info *, uint32_t); /* filled by driver */
atom_card_info->pll_read = cail_pll_read;