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mmc: core: debugfs: Add signal_voltage to ios dump 

Signed-off-by: Johan Rudholm <johan.rudholm@stericsson.com>
Reviewed-by: Philip Rakity <prakity@nvidia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Johan Rudholm 2012-10-26 11:31:55 +02:00 committed by Chris Ball
parent 8363c37414
commit 42cd95a060
1 changed files with 16 additions and 0 deletions
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16
drivers/mmc/core/debugfs.c
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@ -144,6 +144,22 @@ static int mmc_ios_show(struct seq_file *s, void *data)
}
seq_printf(s, "timing spec:\t%u (%s)\n", ios->timing, str);
switch (ios->signal_voltage) {
case MMC_SIGNAL_VOLTAGE_330:
str = "3.30 V";
break;
case MMC_SIGNAL_VOLTAGE_180:
str = "1.80 V";
break;
case MMC_SIGNAL_VOLTAGE_120:
str = "1.20 V";
break;
default:
str = "invalid";
break;
}
seq_printf(s, "signal voltage:\t%u (%s)\n", ios->chip_select, str);
return 0;
}