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From: Jacopo Mondi <jacopo@jmondi.org>
To: Kieran Bingham <kieran.bingham@ideasonboard.com>
Cc: Jacopo Mondi <jacopo+renesas@jmondi.org>,
	laurent.pinchart@ideasonboard.com,
	niklas.soderlund+renesas@ragnatech.se,
	linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 1/6] media: adv748x: Add is_txb()
Date: Mon, 7 Jan 2019 11:05:42 +0100	[thread overview]
Message-ID: <20190107100542.5qszrtydqzowhzlp@uno.localdomain> (raw)
In-Reply-To: <556804e3-c537-2e85-5335-0194dfe7f83b@ideasonboard.com>

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Hi Kieran,

On Mon, Jan 07, 2019 at 09:49:25AM +0000, Kieran Bingham wrote:
> Hi Jacopo
>
> On 06/01/2019 15:54, Jacopo Mondi wrote:
> > Add small is_txb() macro to the existing is_txa() and use it where
> > appropriate.
>
> Thank you.
>
> I think this will make the code much better to read than if (!is_txa).
>
> > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
>
>
> > ---
> >  drivers/media/i2c/adv748x/adv748x-csi2.c | 2 +-
> >  drivers/media/i2c/adv748x/adv748x.h      | 6 +++++-
> >  2 files changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
> > index 6ce21542ed48..b6b5d8c7ea7c 100644
> > --- a/drivers/media/i2c/adv748x/adv748x-csi2.c
> > +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
> > @@ -82,7 +82,7 @@ static int adv748x_csi2_registered(struct v4l2_subdev *sd)
> >  		return adv748x_csi2_register_link(tx, sd->v4l2_dev,
> >  						  &state->hdmi.sd,
> >  						  ADV748X_HDMI_SOURCE);
> > -	if (!is_txa(tx) && is_afe_enabled(state))
> > +	if (is_txb(tx) && is_afe_enabled(state))
> >  		return adv748x_csi2_register_link(tx, sd->v4l2_dev,
> >  						  &state->afe.sd,
> >  						  ADV748X_AFE_SOURCE);
> > diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h
> > index b482c7fe6957..bc2da1b5ce29 100644
> > --- a/drivers/media/i2c/adv748x/adv748x.h
> > +++ b/drivers/media/i2c/adv748x/adv748x.h
> > @@ -89,8 +89,12 @@ struct adv748x_csi2 {
> >
> >  #define notifier_to_csi2(n) container_of(n, struct adv748x_csi2, notifier)
> >  #define adv748x_sd_to_csi2(sd) container_of(sd, struct adv748x_csi2, sd)
> > +
> >  #define is_tx_enabled(_tx) ((_tx)->state->endpoints[(_tx)->port] != NULL)
> > -#define is_txa(_tx) ((_tx) == &(_tx)->state->txa)
> > +#define __is_tx(_tx, _ab) ((_tx) == &(_tx)->state->tx##_ab)
> > +#define is_txa(_tx) __is_tx(_tx, a)
> > +#define is_txb(_tx) __is_tx(_tx, b)
>
> I would have just duplicated the is_txa() line here... but this is good
> too :)

I agree it might seem more complex than necessary. I initially made it
like this as I started from the 'is_tx()' macro this series adds in
6/6.

If it is easier to have an '((_tx) == &(_tx)->state->txb)' I can
change this.

Thanks
   j

>
>
> > +
> >  #define is_afe_enabled(_state)					\
> >  	((_state)->endpoints[ADV748X_PORT_AIN0] != NULL ||	\
> >  	 (_state)->endpoints[ADV748X_PORT_AIN1] != NULL ||	\
> >
>
> --
> Regards
> --
> Kieran

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  reply	other threads:[~2019-01-07 10:05 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-06 15:54 [PATCH v2 0/6] media: adv748x: Implement dynamic routing support Jacopo Mondi
2019-01-06 15:54 ` [PATCH v2 1/6] media: adv748x: Add is_txb() Jacopo Mondi
2019-01-07  9:49   ` Kieran Bingham
2019-01-07 10:05     ` Jacopo Mondi [this message]
2019-01-07 10:38       ` Kieran Bingham
2019-01-09  0:04         ` Laurent Pinchart
2019-01-06 15:54 ` [PATCH v2 2/6] media: adv748x: Rename reset procedures Jacopo Mondi
2019-01-07  9:59   ` Kieran Bingham
2019-01-06 15:54 ` [PATCH v2 3/6] media: adv748x: csi2: Link AFE with TXA and TXB Jacopo Mondi
2019-01-07 10:35   ` Kieran Bingham
2019-01-09  0:11   ` Laurent Pinchart
2019-01-06 15:54 ` [PATCH v2 4/6] media: adv748x: Store the source subdevice in TX Jacopo Mondi
2019-01-07 10:41   ` Kieran Bingham
2019-01-06 15:54 ` [PATCH v2 5/6] media: adv748x: Store the TX sink in HDMI/AFE Jacopo Mondi
2019-01-07 10:45   ` Kieran Bingham
2019-01-06 15:54 ` [PATCH v2 6/6] media: adv748x: Implement TX link_setup callback Jacopo Mondi
2019-01-07 12:36   ` Kieran Bingham
2019-01-09  0:15     ` Laurent Pinchart
2019-01-09 14:15       ` Kieran Bingham
2019-01-10  8:58         ` Jacopo Mondi
2019-01-10 10:05           ` Kieran Bingham
2019-01-10  8:51       ` Jacopo Mondi
2019-01-10  9:27         ` Laurent Pinchart
2019-01-09 14:17     ` Kieran Bingham
2019-01-10 10:01     ` Jacopo Mondi
2019-01-10 13:40     ` Jacopo Mondi

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