[PATCH 3.19.y-ckt 076/160] ASoC: davinci-mcasp: Fix XDATA check in mcasp_start_tx

From: Kamal Mostafa
Date: Tue Jan 19 2016 - 20:32:28 EST


3.19.8-ckt13 -stable review patch. If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Peter Ujfalusi <peter.ujfalusi@xxxxxx>

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@xxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
sound/soc/davinci/davinci-mcasp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 30b94d4..682c796 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -212,8 +212,8 @@ 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 */
--
1.9.1