From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 12 Jul 2007 12:12:30 +0000 (+0200)
Subject: i2c-gpio: Add support for new-style clients
X-Git-Tag: v2.6.23-rc1~1112^2~11
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e69c3ac93a9a7aa29dab7179f86da67db7b0ca3;p=linux-2.6

i2c-gpio: Add support for new-style clients

Use i2c_bit_add_numbered_bus() so that the i2c-gpio adapter works well
with new-style pre-declared devices.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---

diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index a7dd54654a..d6dbd6ace2 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -142,7 +142,13 @@ static int __init i2c_gpio_probe(struct platform_device *pdev)
 	adap->algo_data = bit_data;
 	adap->dev.parent = &pdev->dev;
 
-	ret = i2c_bit_add_bus(adap);
+	/*
+	 * If "dev->id" is negative we consider it as zero.
+	 * The reason to do so is to avoid sysfs names that only make
+	 * sense when there are multiple adapters.
+	 */
+	adap->nr = pdev->id >= 0 ? pdev->id : 0;
+	ret = i2c_bit_add_numbered_bus(adap);
 	if (ret)
 		goto err_add_bus;