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author | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
commit | 3d7a96f5a485b7d06c2379f343d7312af89ec9e2 (patch) | |
tree | 5f097f68eb0f9fd3fa4a10f38672e300e9127b10 /drivers/mfd/wm8400-core.c | |
parent | kmemtrace: Remove the relay version of kmemtrace (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm (diff) | |
download | linux-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.tar.xz linux-dev-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.zip |
Merge branch 'linus' into tracing/kmemtrace2
Diffstat (limited to 'drivers/mfd/wm8400-core.c')
-rw-r--r-- | drivers/mfd/wm8400-core.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index 6a0cedb5bb8a..cf30d06a0104 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -15,6 +15,7 @@ #include <linux/bug.h> #include <linux/i2c.h> #include <linux/kernel.h> +#include <linux/mfd/core.h> #include <linux/mfd/wm8400-private.h> #include <linux/mfd/wm8400-audio.h> @@ -239,6 +240,16 @@ void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400) } EXPORT_SYMBOL_GPL(wm8400_reset_codec_reg_cache); +static int wm8400_register_codec(struct wm8400 *wm8400) +{ + struct mfd_cell cell = { + .name = "wm8400-codec", + .driver_data = wm8400, + }; + + return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0); +} + /* * wm8400_init - Generic initialisation * @@ -296,24 +307,32 @@ static int wm8400_init(struct wm8400 *wm8400, reg = (reg & WM8400_CHIP_REV_MASK) >> WM8400_CHIP_REV_SHIFT; dev_info(wm8400->dev, "WM8400 revision %x\n", reg); + ret = wm8400_register_codec(wm8400); + if (ret != 0) { + dev_err(wm8400->dev, "Failed to register codec\n"); + goto err_children; + } + if (pdata && pdata->platform_init) { ret = pdata->platform_init(wm8400->dev); - if (ret != 0) + if (ret != 0) { dev_err(wm8400->dev, "Platform init failed: %d\n", ret); + goto err_children; + } } else dev_warn(wm8400->dev, "No platform initialisation supplied\n"); + return 0; + +err_children: + mfd_remove_devices(wm8400->dev); return ret; } static void wm8400_release(struct wm8400 *wm8400) { - int i; - - for (i = 0; i < ARRAY_SIZE(wm8400->regulators); i++) - if (wm8400->regulators[i].name) - platform_device_unregister(&wm8400->regulators[i]); + mfd_remove_devices(wm8400->dev); } #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |