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Mon, 7 Jan 2019 04:59:54 -0500 Received: from [192.168.0.21] (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id AD349530; Mon, 7 Jan 2019 10:59:50 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1546855190; bh=Wn23wlc2mCL5sSqQ4gFa0dNQRruB7gNL3e0OnXh6CSI=; h=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To:From; b=ZpdAr9CBbHFmAKHthkbnTrdMfjDKm6lsj7qgHP/tDweE0yiQ2Wh9YTtpX8ljEo+S1 V/eO89Vf+go7tX3VNxuHyrXVs9mK5S8A2FfA4LRuchpMlM7MlWiTnyxnbxzEJ7IhTb rAABU7KdsW0XG2Pq/zgCzrjiMCuO+/xWZ59sCmP0= Reply-To: kieran.bingham@ideasonboard.com Subject: Re: [PATCH v2 2/6] media: adv748x: Rename reset procedures To: Jacopo Mondi , laurent.pinchart@ideasonboard.com, niklas.soderlund+renesas@ragnatech.se Cc: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20190106155413.30666-1-jacopo+renesas@jmondi.org> <20190106155413.30666-3-jacopo+renesas@jmondi.org> From: Kieran Bingham Openpgp: preference=signencrypt Autocrypt: addr=kieran.bingham@ideasonboard.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20190106155413.30666-3-jacopo+renesas@jmondi.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Jacopo, On 06/01/2019 15:54, Jacopo Mondi wrote: > Rename the chip reset procedure as they configure the CP (HDMI) and SD > (AFE) cores. Reviewed-by: Kieran Bingham > Reviewed-by: Laurent Pinchart > Signed-off-by: Jacopo Mondi > --- > drivers/media/i2c/adv748x/adv748x-core.c | 24 ++++++++++-------------- > 1 file changed, 10 insertions(+), 14 deletions(-) > > diff --git a/drivers/media/i2c/adv748x/adv748x-core.c b/drivers/media/i2c/adv748x/adv748x-core.c > index d94c63cb6a2e..ad4e6424753a 100644 > --- a/drivers/media/i2c/adv748x/adv748x-core.c > +++ b/drivers/media/i2c/adv748x/adv748x-core.c > @@ -353,9 +353,8 @@ static const struct adv748x_reg_value adv748x_sw_reset[] = { > {ADV748X_PAGE_EOR, 0xff, 0xff} /* End of register table */ > }; > > -/* Supported Formats For Script Below */ > -/* - 01-29 HDMI to MIPI TxA CSI 4-Lane - RGB888: */ > -static const struct adv748x_reg_value adv748x_init_txa_4lane[] = { > +/* Initialize CP Core with RGB888 format. */ > +static const struct adv748x_reg_value adv748x_init_hdmi[] = { > /* Disable chip powerdown & Enable HDMI Rx block */ > {ADV748X_PAGE_IO, 0x00, 0x40}, > > @@ -399,10 +398,8 @@ static const struct adv748x_reg_value adv748x_init_txa_4lane[] = { > {ADV748X_PAGE_EOR, 0xff, 0xff} /* End of register table */ > }; > > -/* 02-01 Analog CVBS to MIPI TX-B CSI 1-Lane - */ > -/* Autodetect CVBS Single Ended In Ain 1 - MIPI Out */ > -static const struct adv748x_reg_value adv748x_init_txb_1lane[] = { > - > +/* Initialize AFE core with YUV8 format. */ > +static const struct adv748x_reg_value adv748x_init_afe[] = { > {ADV748X_PAGE_IO, 0x00, 0x30}, /* Disable chip powerdown Rx */ > {ADV748X_PAGE_IO, 0xf2, 0x01}, /* Enable I2C Read Auto-Increment */ > > @@ -445,19 +442,18 @@ static int adv748x_reset(struct adv748x_state *state) > if (ret < 0) > return ret; > > - /* Init and power down TXA */ > - ret = adv748x_write_regs(state, adv748x_init_txa_4lane); > + /* Initialize CP and AFE cores. */ > + ret = adv748x_write_regs(state, adv748x_init_hdmi); > if (ret) > return ret; > > - adv748x_tx_power(&state->txa, 1); > - adv748x_tx_power(&state->txa, 0); > - > - /* Init and power down TXB */ > - ret = adv748x_write_regs(state, adv748x_init_txb_1lane); > + ret = adv748x_write_regs(state, adv748x_init_afe); > if (ret) > return ret; > > + /* Reset TXA and TXB */ > + adv748x_tx_power(&state->txa, 1); > + adv748x_tx_power(&state->txa, 0); > adv748x_tx_power(&state->txb, 1); > adv748x_tx_power(&state->txb, 0); > > -- Regards -- Kieran