Re: [PATCH RFC 05/17] fc0012: use struct for driver config

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Hello Antti,

sorry that I didn't react earlier. Your patch series look very good to me. I 
am happy to aknowledge it.

Acked-by: Hans-Frieder Vogt <hfvogt@xxxxxxx>

Am Dienstag, 1. Januar 2013 schrieb Antti Palosaari:
> Hans-Frieder,
> Care to ack fc0012 related changes from that patch serie?
> 
> http://git.linuxtv.org/anttip/media_tree.git/shortlog/refs/heads/af9035
> 
> 6cfc01f fc0012: remove unused callback and correct one comment
> 2e9fffb fc0012: use Kernel dev_foo() logging
> 909d2c0 fc0012: rework attach() to check chip id and I/O errors
> 4a6831e fc0012: use config directly from the config struct
> 52728ff fc0012: enable clock output on attach()
> b6262d2 fc0012: add RF loop through
> cb5bd3d fc0012: use struct for driver config
> 
> I will pull request these in next days anyway.
> 
> regards
> Antti
> 
> On 12/09/2012 09:56 PM, Antti Palosaari wrote:
> > I need even more configuration options and overloading dvb_attach()
> > for all those sounds quite stupid. Due to that switch struct and make
> > room for new options.
> > 
> > Cc: Hans-Frieder Vogt <hfvogt@xxxxxxx>
> > Signed-off-by: Antti Palosaari <crope@xxxxxx>
> > ---
> > 
> >   drivers/media/tuners/fc0012.c           |  9 ++++-----
> >   drivers/media/tuners/fc0012.h           | 20 ++++++++++++++++----
> >   drivers/media/usb/dvb-usb-v2/af9035.c   | 10 ++++++++--
> >   drivers/media/usb/dvb-usb-v2/rtl28xxu.c |  7 ++++++-
> >   4 files changed, 34 insertions(+), 12 deletions(-)
> > 
> > diff --git a/drivers/media/tuners/fc0012.c
> > b/drivers/media/tuners/fc0012.c index 308135a..5ede0c0 100644
> > --- a/drivers/media/tuners/fc0012.c
> > +++ b/drivers/media/tuners/fc0012.c
> > @@ -436,8 +436,7 @@ static const struct dvb_tuner_ops fc0012_tuner_ops =
> > {
> > 
> >   };
> >   
> >   struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
> > 
> > -	struct i2c_adapter *i2c, u8 i2c_address, int dual_master,
> > -	enum fc001x_xtal_freq xtal_freq)
> > +	struct i2c_adapter *i2c, const struct fc0012_config *cfg)
> > 
> >   {
> >   
> >   	struct fc0012_priv *priv = NULL;
> > 
> > @@ -446,9 +445,9 @@ struct dvb_frontend *fc0012_attach(struct
> > dvb_frontend *fe,
> > 
> >   		return NULL;
> >   	
> >   	priv->i2c = i2c;
> > 
> > -	priv->dual_master = dual_master;
> > -	priv->addr = i2c_address;
> > -	priv->xtal_freq = xtal_freq;
> > +	priv->dual_master = cfg->dual_master;
> > +	priv->addr = cfg->i2c_address;
> > +	priv->xtal_freq = cfg->xtal_freq;
> > 
> >   	info("Fitipower FC0012 successfully attached.");
> > 
> > diff --git a/drivers/media/tuners/fc0012.h
> > b/drivers/media/tuners/fc0012.h index 4dbd5ef..41946f8 100644
> > --- a/drivers/media/tuners/fc0012.h
> > +++ b/drivers/media/tuners/fc0012.h
> > @@ -24,17 +24,29 @@
> > 
> >   #include "dvb_frontend.h"
> >   #include "fc001x-common.h"
> > 
> > +struct fc0012_config {
> > +	/*
> > +	 * I2C address
> > +	 */
> > +	u8 i2c_address;
> > +
> > +	/*
> > +	 * clock
> > +	 */
> > +	enum fc001x_xtal_freq xtal_freq;
> > +
> > +	int dual_master;
> > +};
> > +
> > 
> >   #if defined(CONFIG_MEDIA_TUNER_FC0012) || \
> >   
> >   	(defined(CONFIG_MEDIA_TUNER_FC0012_MODULE) && defined(MODULE))
> >   
> >   extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
> >   
> >   					struct i2c_adapter *i2c,
> > 
> > -					u8 i2c_address, int dual_master,
> > -					enum fc001x_xtal_freq xtal_freq);
> > +					const struct fc0012_config *cfg);
> > 
> >   #else
> >   static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend
> >   *fe,
> >   
> >   					struct i2c_adapter *i2c,
> > 
> > -					u8 i2c_address, int dual_master,
> > -					enum fc001x_xtal_freq xtal_freq)
> > +					const struct fc0012_config *cfg)
> > 
> >   {
> >   
> >   	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
> >   	return NULL;
> > 
> > diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c
> > b/drivers/media/usb/dvb-usb-v2/af9035.c index d1beb7f..6cf9ad5 100644
> > --- a/drivers/media/usb/dvb-usb-v2/af9035.c
> > +++ b/drivers/media/usb/dvb-usb-v2/af9035.c
> > @@ -900,6 +900,12 @@ static const struct fc2580_config
> > af9035_fc2580_config = {
> > 
> >   	.clock = 16384000,
> >   
> >   };
> > 
> > +static const struct fc0012_config af9035_fc0012_config = {
> > +	.i2c_address = 0x63,
> > +	.xtal_freq = FC_XTAL_36_MHZ,
> > +	.dual_master = 1,
> > +};
> > +
> > 
> >   static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
> >   {
> >   
> >   	struct state *state = adap_to_priv(adap);
> > 
> > @@ -1043,8 +1049,8 @@ static int af9035_tuner_attach(struct
> > dvb_usb_adapter *adap)
> > 
> >   		usleep_range(10000, 50000);
> > 
> > -		fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap, 0x63,
> > -				1, FC_XTAL_36_MHZ);
> > +		fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
> > +				&af9035_fc0012_config);
> > 
> >   		break;
> >   	
> >   	default:
> >   		fe = NULL;
> > 
> > diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
> > b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index a4c302d..eddda69 100644
> > --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
> > +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
> > @@ -835,6 +835,11 @@ static struct tua9001_config rtl2832u_tua9001_config
> > = {
> > 
> >   	.i2c_addr = 0x60,
> >   
> >   };
> > 
> > +static const struct fc0012_config rtl2832u_fc0012_config = {
> > +	.i2c_address = 0x63, /* 0xc6 >> 1 */
> > +	.xtal_freq = FC_XTAL_28_8_MHZ,
> > +};
> > +
> > 
> >   static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
> >   {
> >   
> >   	int ret;
> > 
> > @@ -847,7 +852,7 @@ static int rtl2832u_tuner_attach(struct
> > dvb_usb_adapter *adap)
> > 
> >   	switch (priv->tuner) {
> >   	
> >   	case TUNER_RTL2832_FC0012:
> >   		fe = dvb_attach(fc0012_attach, adap->fe[0],
> > 
> > -			&d->i2c_adap, 0xc6>>1, 0, FC_XTAL_28_8_MHZ);
> > +			&d->i2c_adap, &rtl2832u_fc0012_config);
> > 
> >   		/* since fc0012 includs reading the signal strength delegate
> >   		
> >   		 * that to the tuner driver */


Hans-Frieder Vogt                       e-mail: hfvogt <at> gmx .dot. net
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