diff options
Diffstat (limited to 'drivers/gpu/drm/imx/imx-tve.c')
| -rw-r--r-- | drivers/gpu/drm/imx/imx-tve.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 3b602ee33c44..4826bb781723 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -98,6 +98,8 @@ /* TVE_TST_MODE_REG */ #define TVE_TVDAC_TEST_MODE_MASK (0x7 << 0) +#define IMX_TVE_DAC_VOLTAGE 2750000 + enum { TVE_MODE_TVOUT, TVE_MODE_VGA, @@ -150,13 +152,11 @@ __releases(&tve->lock) static void tve_enable(struct imx_tve *tve) { - int ret; - if (!tve->enabled) { tve->enabled = true; clk_prepare_enable(tve->clk); - ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, - TVE_EN, TVE_EN); + regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, + TVE_EN, TVE_EN); } /* clear interrupt status register */ @@ -174,12 +174,9 @@ static void tve_enable(struct imx_tve *tve) static void tve_disable(struct imx_tve *tve) { - int ret; - if (tve->enabled) { tve->enabled = false; - ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, - TVE_EN, 0); + regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, 0); clk_disable_unprepare(tve->clk); } } @@ -621,9 +618,8 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data) tve->dac_reg = devm_regulator_get(dev, "dac"); if (!IS_ERR(tve->dac_reg)) { - ret = regulator_set_voltage(tve->dac_reg, 2750000, 2750000); - if (ret) - return ret; + if (regulator_get_voltage(tve->dac_reg) != IMX_TVE_DAC_VOLTAGE) + dev_warn(dev, "dac voltage is not %d uV\n", IMX_TVE_DAC_VOLTAGE); ret = regulator_enable(tve->dac_reg); if (ret) return ret; |