diff options
| author | Vic Yang <victoryang@chromium.org> | 2013-01-07 21:25:48 +0800 |
|---|---|---|
| committer | ChromeBot <chrome-bot@google.com> | 2013-01-08 09:30:00 -0800 |
| commit | fd29230988fc90e9535b84c8fe65738e17ba50dd (patch) | |
| tree | 76ea9b0df37122824d9d81f2e7ee7a2157b4e5c3 /common | |
| parent | 92bf81948de9333764ed62d620a27f5a46b215d6 (diff) | |
| download | chrome-ec-fd29230988fc90e9535b84c8fe65738e17ba50dd.tar.gz | |
spring: Add a host command for USB mux switching
To make test and bring-up easier, adds a host command for USB mux
switching.
BUG=chrome-os-partner:17111
TEST=manual
BRANCH=none
Change-Id: I9da43fe934881ce24f326275ef312c4e6a474f11
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/40586
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'common')
| -rw-r--r-- | common/tsu6721.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/common/tsu6721.c b/common/tsu6721.c index d6fc67ce23..ba6d3ad4b0 100644 --- a/common/tsu6721.c +++ b/common/tsu6721.c @@ -7,8 +7,11 @@ #include "board.h" #include "console.h" +#include "ec_commands.h" #include "hooks.h" +#include "host_command.h" #include "i2c.h" +#include "system.h" #include "timer.h" #include "tsu6721.h" #include "uart.h" @@ -146,6 +149,9 @@ static void tsu6721_dump(void) ccprintf("\n"); } +/*****************************************************************************/ +/* Console commands */ + static int command_usbmux(int argc, char **argv) { if (1 == argc) { /* dump all registers */ @@ -173,3 +179,26 @@ DECLARE_CONSOLE_COMMAND(usbmux, command_usbmux, "[usb|uart1|uart2|auto]", "TSU6721 USB mux control", NULL); + +/*****************************************************************************/ +/* Host commands */ + +static int usb_command_mux(struct host_cmd_handler_args *args) +{ + const struct ec_params_usb_mux *p = args->params; + + if (system_is_locked()) + return EC_RES_ACCESS_DENIED; + + /* Safety check */ + if (p->mux != TSU6721_MUX_NONE && + p->mux != TSU6721_MUX_USB && + p->mux != TSU6721_MUX_UART && + p->mux != TSU6721_MUX_AUDIO) + return EC_RES_ERROR; + + if (tsu6721_mux(p->mux)) + return EC_RES_ERROR; + return EC_RES_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_USB_MUX, usb_command_mux, EC_VER_MASK(0)); |