Hi,
On Wed, Feb 27 2013, Kevin Liu wrote:
> Thanks for quick answer!
> Then if broken-cd/SDHCI_QUIRK_BROKEN_CARD_DETECTION is selected, can I
> use host controller Present State Register[18] (offset 0x24) to know
> card status (present or not)?
sdhci.c:
present = mmc_gpio_get_cd(host->mmc);
if (present < 0) {
/* If polling, assume that the card is always present. */
if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
present = 1;
else
present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
SDHCI_CARD_PRESENT;
}
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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