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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2013-08-08 12:38:31 +0200
committerChris Ball <cjb@laptop.org>2013-08-24 23:45:09 -0400
commit214fc309d1387e822d606a33a10e31cacfe83520 (patch)
tree2c266dd95d8da7f54d7b43c20e5c2c0ebe6165be /include
parent7725a52c03df4dff3ac3fc621749407fb319d47f (diff)
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmc/slot-gpio.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h
index 7d88d27bfafa..b0c73e4cacea 100644
--- a/include/linux/mmc/slot-gpio.h
+++ b/include/linux/mmc/slot-gpio.h
@@ -18,7 +18,8 @@ int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
void mmc_gpio_free_ro(struct mmc_host *host);
int mmc_gpio_get_cd(struct mmc_host *host);
-int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio);
+int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
+ unsigned int debounce);
void mmc_gpio_free_cd(struct mmc_host *host);
#endif