diff options
Diffstat (limited to 'common/als.c')
-rw-r--r-- | common/als.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/common/als.c b/common/als.c new file mode 100644 index 0000000000..bb2854132f --- /dev/null +++ b/common/als.c @@ -0,0 +1,45 @@ +/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/* This provides the interface for any Ambient Light Sensors that are connected + * to the EC instead of the AP. + */ + +#include "als.h" +#include "common.h" +#include "console.h" +#include "host_command.h" +#include "util.h" + +int als_read(enum als_id id, int *lux) +{ + return als[id].read(lux); +} + +/*****************************************************************************/ +/* Console commands */ + +static int command_als(int argc, char **argv) +{ + int i, rv, val; + + for (i = 0; i < ALS_COUNT; i++) { + ccprintf("%s: ", als[i].name); + rv = als_read(i, &val); + switch (rv) { + case EC_SUCCESS: + ccprintf("%d lux\n", val); + break; + default: + ccprintf("Error %d\n", rv); + } + } + + return EC_SUCCESS; +} +DECLARE_CONSOLE_COMMAND(als, command_als, + NULL, + "Print ALS values", + NULL); |