From: Matthias Schwarzott Date: Thu, 2 Oct 2014 05:20:53 +0000 (-0300) Subject: [media] cx231xx: let i2c bus scanning use its own i2c_client X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=7c894a3b34abd6f8695fc68ff2b009172fb0fab2;p=deliverable%2Flinux.git [media] cx231xx: let i2c bus scanning use its own i2c_client This is a preparation for deleting the otherwise useless i2c_clients that are allocated for all the i2c master adapters. Signed-off-by: Matthias Schwarzott Reviewed-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 7c0f797f1057..67a13912fbe8 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 aeb1bf42b88d..5efc93efe96d 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);