diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-08-08 12:38:31 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-08-24 23:45:09 -0400 |
| commit | 214fc309d1387e822d606a33a10e31cacfe83520 (patch) | |
| tree | 2c266dd95d8da7f54d7b43c20e5c2c0ebe6165be /include/linux/mmc | |
| parent | 7725a52c03df4dff3ac3fc621749407fb319d47f (diff) | |
| download | blackbird-op-linux-214fc309d1387e822d606a33a10e31cacfe83520.tar.gz blackbird-op-linux-214fc309d1387e822d606a33a10e31cacfe83520.zip | |
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/linux/mmc')
| -rw-r--r-- | include/linux/mmc/slot-gpio.h | 3 |
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 |
