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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>
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1 changed files with 16 additions and 0 deletions
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@ -144,6 +144,22 @@ static int mmc_ios_show(struct seq_file *s, void *data)
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}
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seq_printf(s, "timing spec:\t%u (%s)\n", ios->timing, str);
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switch (ios->signal_voltage) {
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case MMC_SIGNAL_VOLTAGE_330:
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str = "3.30 V";
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break;
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case MMC_SIGNAL_VOLTAGE_180:
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str = "1.80 V";
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break;
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case MMC_SIGNAL_VOLTAGE_120:
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str = "1.20 V";
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break;
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default:
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str = "invalid";
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break;
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}
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seq_printf(s, "signal voltage:\t%u (%s)\n", ios->chip_select, str);
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return 0;
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}
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