From: Antti Palosaari <crope@iki.fi>
To: Matthias Schwarzott <zzam@gentoo.org>,
linux-media@vger.kernel.org, mchehab@osg.samsung.com
Subject: Re: [PATCH 01/12] cx231xx: let i2c bus scanning use its own i2c_client
Date: Thu, 25 Sep 2014 17:50:14 +0300 [thread overview]
Message-ID: <54242BA6.2040309@iki.fi> (raw)
In-Reply-To: <1411621684-8295-1-git-send-email-zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Antti
On 09/25/2014 08:07 AM, Matthias Schwarzott wrote:
> Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
> ---
> drivers/media/usb/cx231xx/cx231xx-i2c.c | 17 +++++++++++------
> drivers/media/usb/cx231xx/cx231xx.h | 2 +-
> 2 files changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c
> index 7c0f797..67a1391 100644
> --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
> +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
> @@ -480,22 +480,27 @@ static char *i2c_devs[128] = {
> * cx231xx_do_i2c_scan()
> * check i2c address range for devices
> */
> -void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c)
> +void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port)
> {
> unsigned char buf;
> int i, rc;
> + struct i2c_client client;
>
> - cx231xx_info(": Checking for I2C devices ..\n");
> + memset(&client, 0, sizeof(client));
> + client.adapter = &dev->i2c_bus[i2c_port].i2c_adap;
> +
> + cx231xx_info(": Checking for I2C devices on port=%d ..\n", i2c_port);
> for (i = 0; i < 128; i++) {
> - c->addr = i;
> - rc = i2c_master_recv(c, &buf, 0);
> + client.addr = i;
> + rc = i2c_master_recv(&client, &buf, 0);
> if (rc < 0)
> continue;
> cx231xx_info("%s: i2c scan: found device @ 0x%x [%s]\n",
> dev->name, i << 1,
> i2c_devs[i] ? i2c_devs[i] : "???");
> }
> - cx231xx_info(": Completed Checking for I2C devices.\n");
> + cx231xx_info(": Completed Checking for I2C devices on port=%d.\n",
> + i2c_port);
> }
>
> /*
> @@ -522,7 +527,7 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus)
>
> if (0 == bus->i2c_rc) {
> if (i2c_scan)
> - cx231xx_do_i2c_scan(dev, &bus->i2c_client);
> + cx231xx_do_i2c_scan(dev, bus->nr);
> } else
> cx231xx_warn("%s: i2c bus %d register FAILED\n",
> dev->name, bus->nr);
> diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h
> index aeb1bf4..5efc93e 100644
> --- a/drivers/media/usb/cx231xx/cx231xx.h
> +++ b/drivers/media/usb/cx231xx/cx231xx.h
> @@ -751,7 +751,7 @@ int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq);
> int cx231xx_reset_analog_tuner(struct cx231xx *dev);
>
> /* Provided by cx231xx-i2c.c */
> -void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c);
> +void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port);
> int cx231xx_i2c_register(struct cx231xx_i2c *bus);
> int cx231xx_i2c_unregister(struct cx231xx_i2c *bus);
>
>
--
http://palosaari.fi/
prev parent reply other threads:[~2014-09-25 14:50 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-25 5:07 [PATCH 01/12] cx231xx: let i2c bus scanning use its own i2c_client Matthias Schwarzott
2014-09-25 5:07 ` [PATCH 02/12] cx231xx: use own i2c_client for eeprom access Matthias Schwarzott
2014-09-25 14:58 ` Antti Palosaari
2014-09-26 4:30 ` Matthias Schwarzott
2014-09-26 12:31 ` Antti Palosaari
2014-09-26 13:00 ` Antti Palosaari
2014-09-25 5:07 ` [PATCH 03/12] cx231xx: delete i2c_client per bus Matthias Schwarzott
2014-09-25 15:00 ` Antti Palosaari
2014-09-25 5:07 ` [PATCH 04/12] cx231xx: give each master i2c bus a seperate name Matthias Schwarzott
2014-09-25 15:04 ` Antti Palosaari
2014-09-26 4:34 ` Matthias Schwarzott
2014-09-26 12:32 ` Antti Palosaari
2014-09-25 5:07 ` [PATCH 05/12] cx231xx: Use symbolic constants for i2c ports Matthias Schwarzott
2014-09-25 15:06 ` Antti Palosaari
2014-09-25 5:07 ` [PATCH 06/12] cx231xx: add wrapper to get the i2c_adapter pointer Matthias Schwarzott
2014-09-25 15:13 ` Antti Palosaari
2014-09-25 5:07 ` [PATCH 07/12] cx231xx: remember status of port_3 switch Matthias Schwarzott
2014-09-25 5:08 ` [PATCH 08/12] cx231xx: let is_tuner check the real i2c port and not the i2c master number Matthias Schwarzott
2014-09-25 5:08 ` [PATCH 09/12] cx231xx: change usage of I2C_1 to the real i2c port Matthias Schwarzott
2014-09-25 5:08 ` [PATCH 10/12] cx231xx: register i2c mux adapters for master1 and use as I2C_1 and I2C_3 Matthias Schwarzott
2014-09-25 15:25 ` Antti Palosaari
2014-09-25 5:08 ` [PATCH 11/12] cx231xx: drop unconditional port3 switching Matthias Schwarzott
2014-09-25 15:26 ` Antti Palosaari
2014-09-25 5:08 ` [PATCH 12/12] cx231xx: scan all four existing i2c busses instead of the 3 masters Matthias Schwarzott
2014-09-25 15:30 ` Antti Palosaari
2014-09-25 14:50 ` Antti Palosaari [this message]
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