mmc: slot-gpio: Add debouncing capability to mmc_gpio_request_cd()
Add a debounce parameter to the mmc_gpio_request_cd() function that
enables GPIO debouncing when set to a non-zero value. This can be used
by MMC host drivers to enable debouncing on the card detect signal.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
index bf99359..793dacd 100644
--- a/drivers/mmc/host/sdhci-pxav3.c
+++ b/drivers/mmc/host/sdhci-pxav3.c
@@ -278,7 +278,8 @@
host->mmc->pm_caps |= pdata->pm_caps;
if (gpio_is_valid(pdata->ext_cd_gpio)) {
- ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio);
+ ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio,
+ 0);
if (ret) {
dev_err(mmc_dev(host->mmc),
"failed to allocate card detect gpio\n");