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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-05-01 16:59:38 +0200
committerChris Ball <cjb@laptop.org>2012-07-21 00:02:18 -0400
commit5aa7dad305594ea30d21e23b3036565042adf50c (patch)
treed9c7c2962e35c63ffe7d4ad2d48e8e99109dadb4 /include/linux/mmc
parenta7d1a1ebd8f5858a812ac3d5fbbc178b4959a63b (diff)
downloadblackbird-op-linux-5aa7dad305594ea30d21e23b3036565042adf50c.tar.gz
blackbird-op-linux-5aa7dad305594ea30d21e23b3036565042adf50c.zip
mmc: core: add WP pin handler to slot functions
Card Write-Protect pin is often implemented, using a GPIO, which makes it simple to provide a generic handler for it. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/slot-gpio.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h
index 1a977d7ba3ba..7d88d27bfafa 100644
--- a/include/linux/mmc/slot-gpio.h
+++ b/include/linux/mmc/slot-gpio.h
@@ -13,6 +13,10 @@
struct mmc_host;
+int mmc_gpio_get_ro(struct mmc_host *host);
+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);
void mmc_gpio_free_cd(struct mmc_host *host);
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