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[media] dvb-frontends/cxd2841er: configurable IFAGCNEG

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Adds a flag to enable or disable the IFAGCNEG bit in cxd2841er_init_tc().

Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Acked-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Daniel Scheller 2017-04-09 16:38:22 -03:00 committed by Mauro Carvalho Chehab
parent e3943aa6d8
commit 14fd86290d
2 changed files with 4 additions and 2 deletions
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5
drivers/media/dvb-frontends/cxd2841er.c
View file

@ -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 */

1
drivers/media/dvb-frontends/cxd2841er.h
View file

@ -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 */