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SubjectRe: [PATCH v2 02/16] wl1251: add sysfs interface for bluetooth coexistence mode configuration
Pali Rohár <> writes:

> From: David Gnedt <>
> 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
> 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 <>
> Signed-off-by: Pali Rohár <>

I think this is also what I wrote a long time. And also this sysfs hack
should not go to upstream.

Over the years there has been some talk about solving the BT coex
properly, but I haven't seen any patches. I guess the proper solution
would be that BT subsystem in kernel would notify wireless drivers about
BT use?

Kalle Valo
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