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Commit 0f51010e authored by David Rowe's avatar David Rowe Committed by Greg Kroah-Hartman
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Staging: oslec bug fix 



I have just had a bug fix submitted for Oslec which I have applied to
Oslec SVN. The bug can potentially stops the echo canceller adapting
after a few seconds, although it hasn't caused many problems in
practice.

Signed-off-by: default avatarDavid Rowe <david@rowetel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 99dc2a7f

drivers/staging/echo/echo.c

+1 −1
Original line number Diff line number Diff line
@@ -395,7 +395,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx) 
		old = (int)ec->fir_state.history[ec->fir_state.curr_pos] *

		    (int)ec->fir_state.history[ec->fir_state.curr_pos];

		ec->Pstates +=

		    ((new - old) + (1 << ec->log2taps)) >> ec->log2taps;

		    ((new - old) + (1 << (ec->log2taps-1))) >> ec->log2taps;

		if (ec->Pstates < 0)

			ec->Pstates = 0;

	}