diff options
| author | Sujit Reddy Thumma <sthumma@codeaurora.org> | 2013-06-03 09:54:32 +0530 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-27 10:28:40 -0700 |
| commit | b7fc1448ada0b061f94ccc341a54a44085e254c5 (patch) | |
| tree | 7da6886980f8b9c04ec21ea529c08b811d2b03d5 /drivers/mmc/host | |
| parent | 165bd22b550bdf0353299045c562fd675bc4a8b7 (diff) | |
mmc: sdhci-msm: Initialize card-detect polarity
Enable MMC_CAP2_CD_ACTIVE_HIGH capability if the card-detect
gpio polarity is active high.
Change-Id: I80e869dd7ecb6e24e81d1cc73ef8101c44110873
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 572f14676170..d36221fb30fa 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1090,6 +1090,7 @@ static struct sdhci_msm_pltfm_data *sdhci_msm_populate_pdata(struct device *dev) int len, i; int clk_table_len; u32 *clk_table = NULL; + enum of_gpio_flags flags = OF_GPIO_ACTIVE_LOW; pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) { @@ -1097,7 +1098,9 @@ static struct sdhci_msm_pltfm_data *sdhci_msm_populate_pdata(struct device *dev) goto out; } - pdata->status_gpio = of_get_named_gpio_flags(np, "cd-gpios", 0, 0); + pdata->status_gpio = of_get_named_gpio_flags(np, "cd-gpios", 0, &flags); + if (gpio_is_valid(pdata->status_gpio) & !(flags & OF_GPIO_ACTIVE_LOW)) + pdata->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH; of_property_read_u32(np, "qcom,bus-width", &bus_width); if (bus_width == 8) |