[PATCH 2/3] video: venc: Add new callback and handling for bypass and acbias setup.

[Marek Belisko]

Add new callback to set bypass and acbias. During venc enble disable those
bit are updated in devconf1 register.

Signed-off-by: Marek Belisko <ma...@goldelico.com>
---
 drivers/video/omap2/dss/venc.c | 21 +++++++++++++++++++++
 include/video/omapdss.h        |  2 ++
 2 files changed, 23 insertions(+)

diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index 5f88ac4..17bd45b 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -34,6 +34,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
 #include <linux/pm_runtime.h>
+#include <linux/omap-tvout.h>
 
 #include <video/omapdss.h>
 
@@ -303,6 +304,8 @@ static struct {
        struct omap_video_timings timings;
        enum omap_dss_venc_type type;
        bool invert_polarity;
+       bool bypass;
+       bool acbias;
 
        struct omap_dss_device output;
 } venc;
@@ -455,6 +458,9 @@ static int venc_power_on(struct omap_dss_device *dssdev)
 
        venc_write_reg(VENC_OUTPUT_CONTROL, l);
 
+       /* apply bypass and acbias */
+       update_bypass_acbias(venc.bypass, venc.acbias);
+
        dss_mgr_set_timings(mgr, &venc.timings);
 
        r = regulator_enable(venc.vdda_dac_reg);
@@ -485,6 +491,9 @@ static void venc_power_off(struct omap_dss_device *dssdev)
        venc_write_reg(VENC_OUTPUT_CONTROL, 0);
        dss_set_dac_pwrdn_bgz(0);
 
+       /* clear bypass and acbias */
+       update_bypass_acbias(false, false);
+
        dss_mgr_disable(mgr);
 
        regulator_disable(venc.vdda_dac_reg);
@@ -629,6 +638,17 @@ static void venc_invert_vid_out_polarity(struct 
omap_dss_device *dssdev,
        mutex_unlock(&venc.venc_lock);
 }
 
+static void venc_bypass_and_acbias(struct omap_dss_device *dssdev,
+               bool bypass, bool acbias)
+{
+       mutex_lock(&venc.venc_lock);
+
+       venc.bypass = bypass;
+       venc.acbias = acbias;
+
+       mutex_unlock(&venc.venc_lock);
+}
+
 static int venc_init_regulator(void)
 {
        struct regulator *vdda_dac;
@@ -777,6 +797,7 @@ static const struct omapdss_atv_ops venc_ops = {
 
        .set_type = venc_set_type,
        .invert_vid_out_polarity = venc_invert_vid_out_polarity,
+       .bypass_and_acbias = venc_bypass_and_acbias,
 
        .set_wss = venc_set_wss,
        .get_wss = venc_get_wss,
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 3d7c51a..54a185f 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -607,6 +607,8 @@ struct omapdss_atv_ops {
                enum omap_dss_venc_type type);
        void (*invert_vid_out_polarity)(struct omap_dss_device *dssdev,
                bool invert_polarity);
+       void (*bypass_and_acbias)(struct omap_dss_device *dssdev,
+               bool bypass, bool acbias);
 
        int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
        u32 (*get_wss)(struct omap_dss_device *dssdev);
-- 
1.8.1.2

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