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author | Britney Fransen <brfransen@gmail.com> | 2015-11-12 00:23:23 (GMT) |
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committer | Britney Fransen <brfransen@gmail.com> | 2015-11-12 00:23:23 (GMT) |
commit | b964f37d22ecbcaedfab7bfdf08b423688907b63 (patch) | |
tree | de029df7bbdb6bd4e17955e9ee8aef5b8f76e90d /abs/core/linux/xc5000-add_IF_output_level_control.patch | |
parent | bb42bd1ad2bd4fc6a934cee3279560b561008859 (diff) | |
download | linhes_pkgbuild-b964f37d22ecbcaedfab7bfdf08b423688907b63.zip linhes_pkgbuild-b964f37d22ecbcaedfab7bfdf08b423688907b63.tar.gz linhes_pkgbuild-b964f37d22ecbcaedfab7bfdf08b423688907b63.tar.bz2 |
linux: update to 3.18.24. add xc5000 patch
Diffstat (limited to 'abs/core/linux/xc5000-add_IF_output_level_control.patch')
-rw-r--r-- | abs/core/linux/xc5000-add_IF_output_level_control.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/abs/core/linux/xc5000-add_IF_output_level_control.patch b/abs/core/linux/xc5000-add_IF_output_level_control.patch new file mode 100644 index 0000000..b880fd6 --- /dev/null +++ b/abs/core/linux/xc5000-add_IF_output_level_control.patch @@ -0,0 +1,103 @@ +From 52e269b133d167a345758cb9d76d6348b3c66ebb Mon Sep 17 00:00:00 2001 +From: Richard Vollkommer <linux@hauppauge.com> +Date: Sat, 25 Oct 2014 17:17:22 -0300 +Subject: [media] xc5000: add IF output level control + +Adds control of the IF output level to the xc5000 tuner +configuration structure. Increases the IF level to the +demodulator to fix failure to lock and picture breakup +issues (with the au8522 demodulator, in the case of the +Hauppauge HVR950Q). + +This patch works with all XC5000 firmware versions. + +Signed-off-by: Richard Vollkommer <linux@hauppauge.com> +Signed-off-by: Michael Ira Krufky <mkrufky@linuxtv.org> +Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com> +Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> +--- + drivers/media/tuners/xc5000.c | 14 +++++++++++++- + drivers/media/tuners/xc5000.h | 1 + + drivers/media/usb/au0828/au0828-dvb.c | 2 ++ + 3 files changed, 16 insertions(+), 1 deletion(-) + +diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c +index 803a0e6..705c258 100644 +--- a/drivers/media/tuners/xc5000.c ++++ b/drivers/media/tuners/xc5000.c +@@ -62,6 +62,7 @@ struct xc5000_priv { + unsigned int mode; + u8 rf_mode; + u8 radio_input; ++ u16 output_amp; + + int chip_id; + u16 pll_register_no; +@@ -744,7 +745,9 @@ static int xc5000_tune_digital(struct dvb_frontend *fe) + return -EIO; + } + +- xc_write_reg(priv, XREG_OUTPUT_AMP, 0x8a); ++ dprintk(1, "%s() setting OUTPUT_AMP to 0x%x\n", ++ __func__, priv->output_amp); ++ xc_write_reg(priv, XREG_OUTPUT_AMP, priv->output_amp); + + xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL); + +@@ -1358,6 +1361,9 @@ static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg) + if (p->radio_input) + priv->radio_input = p->radio_input; + ++ if (p->output_amp) ++ priv->output_amp = p->output_amp; ++ + return 0; + } + +@@ -1438,6 +1444,12 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, + it can be overridden if this is a hybrid driver */ + priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0; + ++ /* don't override output_amp if it's already been set ++ unless explicitly specified */ ++ if ((priv->output_amp == 0) || (cfg->output_amp)) ++ /* use default output_amp value if none specified */ ++ priv->output_amp = (cfg->output_amp) ? cfg->output_amp : 0x8a; ++ + /* Check if firmware has been loaded. It is possible that another + instance of the driver has loaded the firmware. + */ +diff --git a/drivers/media/tuners/xc5000.h b/drivers/media/tuners/xc5000.h +index 7245cae..6aa534f 100644 +--- a/drivers/media/tuners/xc5000.h ++++ b/drivers/media/tuners/xc5000.h +@@ -36,6 +36,7 @@ struct xc5000_config { + u32 if_khz; + u8 radio_input; + u16 xtal_khz; ++ u16 output_amp; + + int chip_id; + }; +diff --git a/drivers/media/usb/au0828/au0828-dvb.c b/drivers/media/usb/au0828/au0828-dvb.c +index 00ab1563..c267d76 100644 +--- a/drivers/media/usb/au0828/au0828-dvb.c ++++ b/drivers/media/usb/au0828/au0828-dvb.c +@@ -88,12 +88,14 @@ static struct xc5000_config hauppauge_xc5000a_config = { + .i2c_address = 0x61, + .if_khz = 6000, + .chip_id = XC5000A, ++ .output_amp = 0x8f, + }; + + static struct xc5000_config hauppauge_xc5000c_config = { + .i2c_address = 0x61, + .if_khz = 6000, + .chip_id = XC5000C, ++ .output_amp = 0x8f, + }; + + static struct mxl5007t_config mxl5007t_hvr950q_config = { +-- +cgit v0.11.2-5-g481e + |