diff options
Diffstat (limited to 'drivers/platform/x86/xo1-rfkill.c')
| -rw-r--r-- | drivers/platform/x86/xo1-rfkill.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/platform/x86/xo1-rfkill.c b/drivers/platform/x86/xo1-rfkill.c index 41781ed8301c..b57ad8641480 100644 --- a/drivers/platform/x86/xo1-rfkill.c +++ b/drivers/platform/x86/xo1-rfkill.c @@ -15,15 +15,26 @@ #include <asm/olpc.h> +static bool card_blocked; + static int rfkill_set_block(void *data, bool blocked) { unsigned char cmd; + int r; + + if (blocked == card_blocked) + return 0; + if (blocked) cmd = EC_WLAN_ENTER_RESET; else cmd = EC_WLAN_LEAVE_RESET; - return olpc_ec_cmd(cmd, NULL, 0, NULL, 0); + r = olpc_ec_cmd(cmd, NULL, 0, NULL, 0); + if (r == 0) + card_blocked = blocked; + + return r; } static const struct rfkill_ops rfkill_ops = { |