diff options
| author | Johan Rudholm <johan.rudholm@stericsson.com> | 2012-10-26 11:31:55 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-12-06 19:54:36 +0100 |
| commit | 42cd95a0603e0497e7221816bb5ddfe861ee9325 (patch) | |
| tree | 07d54ac53cd5a9cbcc7a08380bf34aef582989ea /drivers/mmc | |
| parent | mmc: sdhci: Balance vmmc regulator_enable(), and always enable vqmmc (diff) | |
| download | linux-42cd95a0603e0497e7221816bb5ddfe861ee9325.tar.xz linux-42cd95a0603e0497e7221816bb5ddfe861ee9325.zip | |
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/debugfs.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index d96c643dde1c..35c2f85b1956 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -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; } |