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sdhc: spi: power card before 74 clock signals

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Power on the SD card before sending the required 74 clock signals.

Signed-off-by: Jordan Yates <jordan@embeint.com>
This commit is contained in:
Jordan Yates 2024-12-09 11:05:09 +10:00 committed by Benjamin Cabé
parent 017cb3a316
commit a16bfb39ff
1 changed files with 10 additions and 9 deletions
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19
drivers/sdhc/sdhc_spi.c
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@ -722,20 +722,21 @@ static int sdhc_spi_set_io(const struct device *dev, struct sdhc_io *ios)
}
if (data->power_mode != ios->power_mode) {
if (ios->power_mode == SDHC_POWER_ON) {
if (cfg->pwr_gpio.port) {
if (gpio_pin_set_dt(&cfg->pwr_gpio, 1)) {
return -EIO;
}
LOG_INF("Powered up");
}
/* Send 74 clock cycles to start card */
if (sdhc_spi_init_card(dev) != 0) {
LOG_ERR("Card SCLK init sequence failed");
return -EIO;
}
}
if (cfg->pwr_gpio.port) {
/* If power control GPIO is defined, toggle SD power */
if (ios->power_mode == SDHC_POWER_ON) {
if (gpio_pin_set_dt(&cfg->pwr_gpio, 1)) {
return -EIO;
}
LOG_INF("Powered up");
} else {
} else {
if (cfg->pwr_gpio.port) {
if (gpio_pin_set_dt(&cfg->pwr_gpio, 0)) {
return -EIO;
}