diff options
Diffstat (limited to 'drivers/phy/freescale/phy-fsl-samsung-hdmi.c')
| -rw-r--r-- | drivers/phy/freescale/phy-fsl-samsung-hdmi.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/phy/freescale/phy-fsl-samsung-hdmi.c b/drivers/phy/freescale/phy-fsl-samsung-hdmi.c index 5947cba737f8..1ebc661d0654 100644 --- a/drivers/phy/freescale/phy-fsl-samsung-hdmi.c +++ b/drivers/phy/freescale/phy-fsl-samsung-hdmi.c @@ -917,8 +917,22 @@ static long samsung_hdmi_phy_clk_round_rate(struct clk_hw *hw, if (phy_cfg->clk_rate == rate) break; - if (phy_cfg->clk_rate == 0) - return -EINVAL; + if (phy_cfg->clk_rate == 0) { + /* If no exact setting found, try to find a close one */ + phy_cfg = samsung_phy_pll_cfg; + phy_cfg++; + for (; phy_cfg->clk_rate != 0; phy_cfg++) + if (phy_cfg->clk_rate > rate) + break; + + /* Bail out, no suitable setting found */ + if (phy_cfg->clk_rate == 0) + return -EINVAL; + + /* Use the next lower rate if that is closer to the wanted one */ + if ((phy_cfg->clk_rate - rate) > (rate - (phy_cfg-1)->clk_rate)) + phy_cfg--; + } return phy_cfg->clk_rate; } |