diff options
| -rw-r--r-- | drivers/media/i2c/mt9p031.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c index 6eb88ef99783..9dea7c813852 100644 --- a/drivers/media/i2c/mt9p031.c +++ b/drivers/media/i2c/mt9p031.c @@ -229,6 +229,7 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031) struct i2c_client *client = v4l2_get_subdevdata(&mt9p031->subdev); struct mt9p031_platform_data *pdata = mt9p031->pdata; + unsigned long ext_freq; int ret; mt9p031->clk = devm_clk_get(&client->dev, NULL); @@ -239,13 +240,15 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031) if (ret < 0) return ret; + ext_freq = clk_get_rate(mt9p031->clk); + /* If the external clock frequency is out of bounds for the PLL use the * pixel clock divider only and disable the PLL. */ - if (pdata->ext_freq > limits.ext_clock_max) { + if (ext_freq > limits.ext_clock_max) { unsigned int div; - div = DIV_ROUND_UP(pdata->ext_freq, pdata->target_freq); + div = DIV_ROUND_UP(ext_freq, pdata->target_freq); div = roundup_pow_of_two(div) / 2; mt9p031->clk_div = min_t(unsigned int, div, 64); @@ -254,7 +257,7 @@ static int mt9p031_clk_setup(struct mt9p031 *mt9p031) return 0; } - mt9p031->pll.ext_clock = pdata->ext_freq; + mt9p031->pll.ext_clock = ext_freq; mt9p031->pll.pix_clock = pdata->target_freq; mt9p031->use_pll = true; |