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authorJohan Rudholm <johan.rudholm@stericsson.com>2012-10-26 11:31:55 +0200
committerChris Ball <cjb@laptop.org>2012-12-06 13:54:36 -0500
commit42cd95a0603e0497e7221816bb5ddfe861ee9325 (patch)
tree07d54ac53cd5a9cbcc7a08380bf34aef582989ea /drivers/mmc/core
parent8363c374145b69bb177ed7e658a2b22f9c64910f (diff)
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/core')
-rw-r--r--drivers/mmc/core/debugfs.c16
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;
}