Re: [PATCH v2] wl1251: add sysfs interface for bluetooth coexistence mode configuration

Pali Rohár
2016-01-13T12:16:46Z

On Saturday 26 December 2015 12:45:10 Pali Rohár wrote:
> Port the bt_coex_mode sysfs interface from wl1251 driver version included
> in the Maemo Fremantle kernel to allow bt-coexistence mode configuration.
> This enables userspace applications to set one of the modes
> WL1251_BT_COEX_OFF, WL1251_BT_COEX_ENABLE and WL1251_BT_COEX_MONOAUDIO.
> The default mode is WL1251_BT_COEX_OFF.
> It should be noted that this driver always enabled bt-coexistence before
> and enabled bt-coexistence directly affects the receiving performance,
> rendering it unusable in some low-signal situations. Especially monitor
> mode is affected very badly with bt-coexistence enabled.
>
> Signed-off-by: David Gnedt <david.gnedt@davizone.at>
> Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
> ---
> I'm resending this patch for review again as after two years there is no
> nl80211 interface for bt coex and wl1251 on Nokia N900 needs it. Once
> there will be common interface for bt coex I can rewrite my patches, but
> I do not want to wait another 2 years...
>
> Changes:
> In v2 is sysfs node attached directly to wl1251 device instead of creating
> new platform device for sysfs node. So sysfs node is now available at:
> /sys/class/net/wlan0/device/bt_coex_mode
> ---
> drivers/net/wireless/ti/wl1251/acx.c | 43 ++++++++++++++--
> drivers/net/wireless/ti/wl1251/acx.h | 8 +--
> drivers/net/wireless/ti/wl1251/init.c | 6 +--
> drivers/net/wireless/ti/wl1251/main.c | 84 +++++++++++++++++++++++++++++++
> drivers/net/wireless/ti/wl1251/wl1251.h | 8 +++
> 5 files changed, 137 insertions(+), 12 deletions(-)

BUMP!

--
Pali Rohár
pali.rohar@gmail.com