diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2012-09-10 14:53:27 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2012-09-10 15:04:19 +0200 |
| commit | d5bbf34613a877dbe3da847fa0432da8c6721e73 (patch) | |
| tree | 902a90fd7eda61aad7abae9c35b0da2e7a786995 /drivers/misc/bcm4329_rfkill.c | |
| parent | c6c1f7a2c194f1a2291a15c6691c0d6785f8976e (diff) | |
| parent | 336961dd3cf9c39456dd9657e8f205718740c797 (diff) | |
Merge branch 'l4t/l4t-r16' into colibri
Merge with latest NVIDIA L4T R16.
Only real conflict concerning inverted VBUS gpio support.
Diffstat (limited to 'drivers/misc/bcm4329_rfkill.c')
| -rw-r--r-- | drivers/misc/bcm4329_rfkill.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/misc/bcm4329_rfkill.c b/drivers/misc/bcm4329_rfkill.c index a077326f2553..9dc33fd51e59 100644 --- a/drivers/misc/bcm4329_rfkill.c +++ b/drivers/misc/bcm4329_rfkill.c @@ -44,6 +44,13 @@ static struct bcm4329_rfkill_data *bcm4329_rfkill; static int bcm4329_bt_rfkill_set_power(void *data, bool blocked) { + /* + * check if BT gpio_shutdown line status and current request are same. + * If same, then return, else perform requested operation. + */ + if (gpio_get_value(bcm4329_rfkill->gpio_shutdown) && !blocked) + return 0; + if (blocked) { if (bcm4329_rfkill->gpio_shutdown) gpio_direction_output(bcm4329_rfkill->gpio_shutdown, 0); @@ -104,7 +111,9 @@ static int bcm4329_rfkill_probe(struct platform_device *pdev) ret = gpio_request(bcm4329_rfkill->gpio_reset, "bcm4329_nreset_gpio"); } else { - pr_warn("%s : can't find reset gpio.\n", __func__); + pr_warn("%s : can't find reset gpio. " + "reset gpio may not be defined for " + "this platform \n", __func__); bcm4329_rfkill->gpio_reset = 0; } @@ -116,7 +125,9 @@ static int bcm4329_rfkill_probe(struct platform_device *pdev) ret = gpio_request(bcm4329_rfkill->gpio_shutdown, "bcm4329_nshutdown_gpio"); } else { - pr_warn("%s : can't find shutdown gpio.\n", __func__); + pr_warn("%s : can't find shutdown gpio " + "shutdown gpio may not be defined for " + "this platform \n", __func__); bcm4329_rfkill->gpio_shutdown = 0; } |