MLK-9684-3: ASoC: imx-si476x: SRCK and SRFS is used for fm in imx6sx

Configure the aumux port to output SRCK and SRFS from STCK and STFS
of internal port when use the SYN mode.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
(cherry picked from commit f4428f5617916863b5410afea5614cc52190f1a8)
(cherry picked from commit 5335e2a2d5f0f2e1b96aa920425203912b1e34d9)

diff --git a/sound/soc/fsl/imx-si476x.c b/sound/soc/fsl/imx-si476x.c
index 073f3ad..276ae46 100644 (file)
--- a/sound/soc/fsl/imx-si476x.c
+++ b/sound/soc/fsl/imx-si476x.c
@@ -32,6 +32,16 @@ static int imx_audmux_config(int slave, int master)
        pdcr = IMX_AUDMUX_V2_PDCR_RXDSEL(slave);
        imx_audmux_v2_configure_port(master, ptcr, pdcr);
 
+       /*
+        * According to RM, RCLKDIR and SYN should not be changed at same time.
+        * So separate to two step for configuring this port.
+        */
+       ptcr |= IMX_AUDMUX_V2_PTCR_RFSDIR |
+               IMX_AUDMUX_V2_PTCR_RFSEL(slave) |
+               IMX_AUDMUX_V2_PTCR_RCLKDIR |
+               IMX_AUDMUX_V2_PTCR_RCSEL(slave);
+       imx_audmux_v2_configure_port(master, ptcr, pdcr);
+
        ptcr = IMX_AUDMUX_V2_PTCR_SYN;
        pdcr = IMX_AUDMUX_V2_PDCR_RXDSEL(master);
        imx_audmux_v2_configure_port(slave, ptcr, pdcr);