ASoC: davinci-mcasp: Fix XDATA check in mcasp_start_tx
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Fri, 11 Dec 2015 11:06:24 +0000 (13:06 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 31 Jan 2016 19:23:34 +0000 (11:23 -0800)
commit e2a0c9fa80227be5ee017b5476638829dd41cb39 upstream.

The condition for checking for XDAT being cleared was not correct.

Fixes: 36bcecd0a73eb ("ASoC: davinci-mcasp: Correct TX start sequence")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/soc/davinci/davinci-mcasp.c

index 23c91fa..76dd8c6 100644 (file)
@@ -221,8 +221,8 @@ static void mcasp_start_tx(struct davinci_mcasp *mcasp)
 
        /* wait for XDATA to be cleared */
        cnt = 0;
-       while (!(mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) &
-                ~XRDATA) && (cnt < 100000))
+       while ((mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & XRDATA) &&
+              (cnt < 100000))
                cnt++;
 
        /* Release TX state machine */