2010-11-19 05:51:43

by Suraj Sumangala

Subject: [PATCH] hciattach: send hci commands after hci socket bring up

This patch makes The Atheros AR300x specific initialization code
to send power management command over HCI socket after bringing up
the device.

---
tools/hciattach_ath3k.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/hciattach_ath3k.c b/tools/hciattach_ath3k.c
index b891506..70ade30 100644
--- a/tools/hciattach_ath3k.c
+++ b/tools/hciattach_ath3k.c
@@ -884,6 +884,8 @@ int ath3k_post(int fd, int pm)
int dev_id, dd;
struct timespec tm = { 0, 50000 };

+ sleep(1);
+
dev_id = ioctl(fd, HCIUARTGETDEVICE, 0);
if (dev_id < 0) {
perror("cannot get device id");
@@ -896,11 +898,15 @@ int ath3k_post(int fd, int pm)
return dd;
}

- sleep(2);
+ if (ioctl(dd, HCIDEVUP, dev_id) < 0 && errno != EALREADY) {
+ perror("hci down:Power management Disabled");
+ hci_close_dev(dd);
+ return -1;
+ }

/* send vendor specific command with Sleep feature Enabled */
if (hci_send_cmd(dd, OGF_VENDOR_CMD, HCI_SLEEP_CMD_OCF, 1, &pm) < 0)
- perror("Power management Disabled");
+ perror("PM command failed, power management Disabled");

nanosleep(&tm, NULL);
hci_close_dev(dd);
--
1.7.0.4

2010-11-19 15:24:54

by Johan Hedberg

Subject: Re: [PATCH] hciattach: send hci commands after hci socket bring up

Hi,

On Fri, Nov 19, 2010, Suraj Sumangala wrote:
> This patch makes The Atheros AR300x specific initialization code
> to send power management command over HCI socket after bringing up
> the device.
>
> ---
> tools/hciattach_ath3k.c | 10 ++++++++--
> 1 files changed, 8 insertions(+), 2 deletions(-)

Thanks. The patch has been pushed upstream.

Johan