[media] drx-j: reset the DVB scan configuration at powerup

Without this fixup, the DRX-J will not be properly initialized,
loosing several PIDs.

Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c
index b90e6c1..b1ad26b 100644 (file)
--- a/drivers/media/dvb-frontends/drx39xyj/drxj.c
+++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c
@@ -18354,6 +18354,81 @@ rw_error:
 
 /*============================================================================*/
 
+static void drxj_reset_mode(struct drxj_data *ext_attr)
+{
+       /* Initialize default AFE configuartion for QAM */
+       if (ext_attr->has_lna) {
+               /* IF AGC off, PGA active */
+#ifndef DRXJ_VSB_ONLY
+               ext_attr->qam_if_agc_cfg.standard = DRX_STANDARD_ITU_B;
+               ext_attr->qam_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_OFF;
+               ext_attr->qam_pga_cfg = 140 + (11 * 13);
+#endif
+               ext_attr->vsb_if_agc_cfg.standard = DRX_STANDARD_8VSB;
+               ext_attr->vsb_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_OFF;
+               ext_attr->vsb_pga_cfg = 140 + (11 * 13);
+       } else {
+               /* IF AGC on, PGA not active */
+#ifndef DRXJ_VSB_ONLY
+               ext_attr->qam_if_agc_cfg.standard = DRX_STANDARD_ITU_B;
+               ext_attr->qam_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
+               ext_attr->qam_if_agc_cfg.min_output_level = 0;
+               ext_attr->qam_if_agc_cfg.max_output_level = 0x7FFF;
+               ext_attr->qam_if_agc_cfg.speed = 3;
+               ext_attr->qam_if_agc_cfg.top = 1297;
+               ext_attr->qam_pga_cfg = 140;
+#endif
+               ext_attr->vsb_if_agc_cfg.standard = DRX_STANDARD_8VSB;
+               ext_attr->vsb_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
+               ext_attr->vsb_if_agc_cfg.min_output_level = 0;
+               ext_attr->vsb_if_agc_cfg.max_output_level = 0x7FFF;
+               ext_attr->vsb_if_agc_cfg.speed = 3;
+               ext_attr->vsb_if_agc_cfg.top = 1024;
+               ext_attr->vsb_pga_cfg = 140;
+       }
+       /* TODO: remove min_output_level and max_output_level for both QAM and VSB after */
+       /* mc has not used them */
+#ifndef DRXJ_VSB_ONLY
+       ext_attr->qam_rf_agc_cfg.standard = DRX_STANDARD_ITU_B;
+       ext_attr->qam_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
+       ext_attr->qam_rf_agc_cfg.min_output_level = 0;
+       ext_attr->qam_rf_agc_cfg.max_output_level = 0x7FFF;
+       ext_attr->qam_rf_agc_cfg.speed = 3;
+       ext_attr->qam_rf_agc_cfg.top = 9500;
+       ext_attr->qam_rf_agc_cfg.cut_off_current = 4000;
+       ext_attr->qam_pre_saw_cfg.standard = DRX_STANDARD_ITU_B;
+       ext_attr->qam_pre_saw_cfg.reference = 0x07;
+       ext_attr->qam_pre_saw_cfg.use_pre_saw = true;
+#endif
+       /* Initialize default AFE configuartion for VSB */
+       ext_attr->vsb_rf_agc_cfg.standard = DRX_STANDARD_8VSB;
+       ext_attr->vsb_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
+       ext_attr->vsb_rf_agc_cfg.min_output_level = 0;
+       ext_attr->vsb_rf_agc_cfg.max_output_level = 0x7FFF;
+       ext_attr->vsb_rf_agc_cfg.speed = 3;
+       ext_attr->vsb_rf_agc_cfg.top = 9500;
+       ext_attr->vsb_rf_agc_cfg.cut_off_current = 4000;
+       ext_attr->vsb_pre_saw_cfg.standard = DRX_STANDARD_8VSB;
+       ext_attr->vsb_pre_saw_cfg.reference = 0x07;
+       ext_attr->vsb_pre_saw_cfg.use_pre_saw = true;
+
+#ifndef DRXJ_DIGITAL_ONLY
+       /* Initialize default AFE configuartion for ATV */
+       ext_attr->atv_rf_agc_cfg.standard = DRX_STANDARD_NTSC;
+       ext_attr->atv_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
+       ext_attr->atv_rf_agc_cfg.top = 9500;
+       ext_attr->atv_rf_agc_cfg.cut_off_current = 4000;
+       ext_attr->atv_rf_agc_cfg.speed = 3;
+       ext_attr->atv_if_agc_cfg.standard = DRX_STANDARD_NTSC;
+       ext_attr->atv_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
+       ext_attr->atv_if_agc_cfg.speed = 3;
+       ext_attr->atv_if_agc_cfg.top = 2400;
+       ext_attr->atv_pre_saw_cfg.reference = 0x0007;
+       ext_attr->atv_pre_saw_cfg.use_pre_saw = true;
+       ext_attr->atv_pre_saw_cfg.standard = DRX_STANDARD_NTSC;
+#endif
+}
+
 /**
 * \fn int ctrl_power_mode()
 * \brief Set the power mode of the device to the specified power mode
@@ -18418,6 +18493,9 @@ ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode)
 
        if ((*mode == DRX_POWER_UP)) {
                /* Restore analog & pin configuartion */
+
+               /* Initialize default AFE configuartion for VSB */
+               drxj_reset_mode(ext_attr);
        } else {
                /* Power down to requested mode */
                /* Backup some register settings */
@@ -20034,6 +20112,7 @@ rw_error:
 
 /*=============================================================================
 ===== EXPORTED FUNCTIONS ====================================================*/
+
 /**
 * \fn drxj_open()
 * \brief Open the demod instance, configure device, configure drxdriver
@@ -20221,77 +20300,7 @@ int drxj_open(struct drx_demod_instance *demod)
        common_attr->scan_demod_lock_timeout = DRXJ_SCAN_TIMEOUT;
        common_attr->scan_desired_lock = DRX_LOCKED;
 
-       /* Initialize default AFE configuartion for QAM */
-       if (ext_attr->has_lna) {
-               /* IF AGC off, PGA active */
-#ifndef DRXJ_VSB_ONLY
-               ext_attr->qam_if_agc_cfg.standard = DRX_STANDARD_ITU_B;
-               ext_attr->qam_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_OFF;
-               ext_attr->qam_pga_cfg = 140 + (11 * 13);
-#endif
-               ext_attr->vsb_if_agc_cfg.standard = DRX_STANDARD_8VSB;
-               ext_attr->vsb_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_OFF;
-               ext_attr->vsb_pga_cfg = 140 + (11 * 13);
-       } else {
-               /* IF AGC on, PGA not active */
-#ifndef DRXJ_VSB_ONLY
-               ext_attr->qam_if_agc_cfg.standard = DRX_STANDARD_ITU_B;
-               ext_attr->qam_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
-               ext_attr->qam_if_agc_cfg.min_output_level = 0;
-               ext_attr->qam_if_agc_cfg.max_output_level = 0x7FFF;
-               ext_attr->qam_if_agc_cfg.speed = 3;
-               ext_attr->qam_if_agc_cfg.top = 1297;
-               ext_attr->qam_pga_cfg = 140;
-#endif
-               ext_attr->vsb_if_agc_cfg.standard = DRX_STANDARD_8VSB;
-               ext_attr->vsb_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
-               ext_attr->vsb_if_agc_cfg.min_output_level = 0;
-               ext_attr->vsb_if_agc_cfg.max_output_level = 0x7FFF;
-               ext_attr->vsb_if_agc_cfg.speed = 3;
-               ext_attr->vsb_if_agc_cfg.top = 1024;
-               ext_attr->vsb_pga_cfg = 140;
-       }
-       /* TODO: remove min_output_level and max_output_level for both QAM and VSB after */
-       /* mc has not used them */
-#ifndef DRXJ_VSB_ONLY
-       ext_attr->qam_rf_agc_cfg.standard = DRX_STANDARD_ITU_B;
-       ext_attr->qam_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
-       ext_attr->qam_rf_agc_cfg.min_output_level = 0;
-       ext_attr->qam_rf_agc_cfg.max_output_level = 0x7FFF;
-       ext_attr->qam_rf_agc_cfg.speed = 3;
-       ext_attr->qam_rf_agc_cfg.top = 9500;
-       ext_attr->qam_rf_agc_cfg.cut_off_current = 4000;
-       ext_attr->qam_pre_saw_cfg.standard = DRX_STANDARD_ITU_B;
-       ext_attr->qam_pre_saw_cfg.reference = 0x07;
-       ext_attr->qam_pre_saw_cfg.use_pre_saw = true;
-#endif
-       /* Initialize default AFE configuartion for VSB */
-       ext_attr->vsb_rf_agc_cfg.standard = DRX_STANDARD_8VSB;
-       ext_attr->vsb_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
-       ext_attr->vsb_rf_agc_cfg.min_output_level = 0;
-       ext_attr->vsb_rf_agc_cfg.max_output_level = 0x7FFF;
-       ext_attr->vsb_rf_agc_cfg.speed = 3;
-       ext_attr->vsb_rf_agc_cfg.top = 9500;
-       ext_attr->vsb_rf_agc_cfg.cut_off_current = 4000;
-       ext_attr->vsb_pre_saw_cfg.standard = DRX_STANDARD_8VSB;
-       ext_attr->vsb_pre_saw_cfg.reference = 0x07;
-       ext_attr->vsb_pre_saw_cfg.use_pre_saw = true;
-
-#ifndef DRXJ_DIGITAL_ONLY
-       /* Initialize default AFE configuartion for ATV */
-       ext_attr->atv_rf_agc_cfg.standard = DRX_STANDARD_NTSC;
-       ext_attr->atv_rf_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
-       ext_attr->atv_rf_agc_cfg.top = 9500;
-       ext_attr->atv_rf_agc_cfg.cut_off_current = 4000;
-       ext_attr->atv_rf_agc_cfg.speed = 3;
-       ext_attr->atv_if_agc_cfg.standard = DRX_STANDARD_NTSC;
-       ext_attr->atv_if_agc_cfg.ctrl_mode = DRX_AGC_CTRL_AUTO;
-       ext_attr->atv_if_agc_cfg.speed = 3;
-       ext_attr->atv_if_agc_cfg.top = 2400;
-       ext_attr->atv_pre_saw_cfg.reference = 0x0007;
-       ext_attr->atv_pre_saw_cfg.use_pre_saw = true;
-       ext_attr->atv_pre_saw_cfg.standard = DRX_STANDARD_NTSC;
-#endif
+       drxj_reset_mode(ext_attr);
        ext_attr->standard = DRX_STANDARD_UNKNOWN;
 
        rc = smart_ant_init(demod);