omapfb: simplify the return expression of hdmi_pll_enable

Simplify the return expression.

Signed-off-by: Qinglang Miao <[e-mail]>
Signed-off-by: Sam Ravnborg <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c

···
 
 	dss_ctrl_pll_enable(DSS_PLL_HDMI, true);
 
-	r = hdmi_wp_set_pll_pwr(wp, HDMI_PLLPWRCMD_BOTHON_ALLCLKS);
-	if (r)
-		return r;
-
-	return 0;
+	return hdmi_wp_set_pll_pwr(wp, HDMI_PLLPWRCMD_BOTHON_ALLCLKS);
 }
 
 static void hdmi_pll_disable(struct dss_pll *dsspll)