From 14fd86290df1d2505556fddd895470860182dc22 Mon Sep 17 00:00:00 2001 From: Daniel Scheller Date: Sun, 9 Apr 2017 16:38:22 -0300 Subject: [media] dvb-frontends/cxd2841er: configurable IFAGCNEG Adds a flag to enable or disable the IFAGCNEG bit in cxd2841er_init_tc(). Signed-off-by: Daniel Scheller Acked-by: Abylay Ospan Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/cxd2841er.c | 5 +++-- drivers/media/dvb-frontends/cxd2841er.h | 1 + 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c index 0522ceb676c5..1f577ebe25c6 100644 --- a/drivers/media/dvb-frontends/cxd2841er.c +++ b/drivers/media/dvb-frontends/cxd2841er.c @@ -3783,9 +3783,10 @@ static int cxd2841er_init_tc(struct dvb_frontend *fe) dev_dbg(&priv->i2c->dev, "%s() bandwidth_hz=%d\n", __func__, p->bandwidth_hz); cxd2841er_shutdown_to_sleep_tc(priv); - /* SONY_DEMOD_CONFIG_IFAGCNEG = 1 */ + /* SONY_DEMOD_CONFIG_IFAGCNEG = 1 (0 for NO_AGCNEG */ cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10); - cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcb, 0x40, 0x40); + cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcb, + ((priv->flags & CXD2841ER_NO_AGCNEG) ? 0x00 : 0x40), 0x40); /* SONY_DEMOD_CONFIG_IFAGC_ADC_FS = 0 */ cxd2841er_write_reg(priv, I2C_SLVT, 0xcd, 0x50); /* SONY_DEMOD_CONFIG_PARALLEL_SEL = 1 */ diff --git a/drivers/media/dvb-frontends/cxd2841er.h b/drivers/media/dvb-frontends/cxd2841er.h index d77b59f5a839..4f944221c7fe 100644 --- a/drivers/media/dvb-frontends/cxd2841er.h +++ b/drivers/media/dvb-frontends/cxd2841er.h @@ -30,6 +30,7 @@ #define CXD2841ER_ASCOT 8 /* bit 3 */ #define CXD2841ER_EARLY_TUNE 16 /* bit 4 */ #define CXD2841ER_NO_WAIT_LOCK 32 /* bit 5 */ +#define CXD2841ER_NO_AGCNEG 64 /* bit 6 */ enum cxd2841er_xtal { SONY_XTAL_20500, /* 20.5 MHz */ -- cgit v1.2.3