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-rw-r--r--drivers/mmc/host/sdhci-acpi.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index d2003d3be6ba..c0d77f589deb 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -80,6 +80,7 @@ struct sdhci_acpi_host {
enum {
DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP = BIT(0),
DMI_QUIRK_SD_NO_WRITE_PROTECT = BIT(1),
+ DMI_QUIRK_SD_CD_ACTIVE_HIGH = BIT(2),
};
static inline void *sdhci_acpi_priv(struct sdhci_acpi_host *c)
@@ -749,6 +750,26 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = {
},
{
/*
+ * Lenovo Yoga Tablet 2 Pro 1380F/L (13" Android version) this
+ * has broken WP reporting and an inverted CD signal.
+ * Note this has more or less the same BIOS as the Lenovo Yoga
+ * Tablet 2 830F/L or 1050F/L (8" and 10" Android), but unlike
+ * the 830 / 1050 models which share the same mainboard this
+ * model has a different mainboard and the inverted CD and
+ * broken WP are unique to this board.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+ DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+ /* Full match so as to NOT match the 830/1050 BIOS */
+ DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"),
+ },
+ .driver_data = (void *)(DMI_QUIRK_SD_NO_WRITE_PROTECT |
+ DMI_QUIRK_SD_CD_ACTIVE_HIGH),
+ },
+ {
+ /*
* The Toshiba WT8-B's microSD slot always reports the card being
* write-protected.
*/
@@ -867,6 +888,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) {
bool v = sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL);
+ if (quirks & DMI_QUIRK_SD_CD_ACTIVE_HIGH)
+ host->mmc->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
+
err = mmc_gpiod_request_cd(host->mmc, NULL, 0, v, 0);
if (err) {
if (err == -EPROBE_DEFER)