imx: clock: gate clk before changing pix clk mux

The LCDIF Pixel clock mux is not glitchless, so need
to gate before changing mux.

Also change enable_lcdif_clock prototype with a new input
parameter to indicate disable or enable.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h
index ed1433ebc6..2d9c45e255 100644
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -74,7 +74,7 @@ int enable_spi_clk(unsigned char enable, unsigned spi_num);
 void enable_ipu_clock(void);
 int enable_fec_anatop_clock(int fec_id, enum enet_freq freq);
 void enable_enet_clk(unsigned char enable);
-int enable_lcdif_clock(u32 base_addr);
+int enable_lcdif_clock(u32 base_addr, bool enable);
 void enable_qspi_clk(int qspi_num);
 void enable_thermal_clk(void);
 void mxs_set_lcdclk(u32 base_addr, u32 freq);