| commit | db96baac2ae31f82eac0a17ca2a00249f38ab267 | [log] [tgz] |
|---|---|---|
| author | Simon Glass <sjg@chromium.org> | Mon Aug 31 18:55:36 2015 -0600 |
| committer | Simon Glass <sjg@chromium.org> | Thu Mar 17 21:27:37 2016 -0600 |
| tree | c78d4f31fbb91a6ff5760d610b67b6ba19b7418f | |
| parent | 98982f627e3794c5c68a412be17e4eacc11cf0bf [diff] |
gpio: Report errors when GPIOs cannot be read Some controllers do not allow the output value to be read. Detect this and report the error in that case. Signed-off-by: Simon Glass <sjg@chromium.org>