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mmc: sdhci: Add a callback to select drive strength

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Add a callbak to let host drivers select drive
strength.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter
2015-02-06 14:12:59 +02:00
committed by Ulf Hansson
parent cc4f414c88
commit cb8496482e
2 changed files with 17 additions and 0 deletions
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4
drivers/mmc/host/sdhci.h
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@@ -538,6 +538,10 @@ struct sdhci_ops {
void (*platform_init)(struct sdhci_host *host);
void (*card_event)(struct sdhci_host *host);
void (*voltage_switch)(struct sdhci_host *host);
int (*select_drive_strength)(struct sdhci_host *host,
struct mmc_card *card,
unsigned int max_dtr, int host_drv,
int card_drv, int *drv_type);
};
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS