diff options
| author | Troy Kisky <troy.kisky@boundarydevices.com> | 2008-10-13 17:42:14 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2008-10-30 14:34:02 +0000 |
| commit | 12ef193d5817504621e503e78d641265f6a86ac4 (patch) | |
| tree | a86c1cc9d7297561b0912f0b2c0332bf2ab993ca /sound/soc/soc-dapm.c | |
| parent | 15ad9a531a64d46af54839ab13542a81ad4c82a5 (diff) | |
| download | lwn-12ef193d5817504621e503e78d641265f6a86ac4.tar.gz lwn-12ef193d5817504621e503e78d641265f6a86ac4.zip | |
ASoC: Allow setting codec register with debugfs filesystem
i.e. echo 6 59 >/sys/kernel/debug/soc-audio.0/codec_reg
will set register 0x06 to a value of 0x59.
Also, pop_time debugfs interface setup is moved so that it
is setup in the same function as codec_reg
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 7e9f423f5b09..b51d82285be4 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -37,7 +37,6 @@ #include <linux/bitops.h> #include <linux/platform_device.h> #include <linux/jiffies.h> -#include <linux/debugfs.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -67,17 +66,13 @@ static int dapm_status = 1; module_param(dapm_status, int, 0); MODULE_PARM_DESC(dapm_status, "enable DPM sysfs entries"); -static struct dentry *asoc_debugfs; - -static u32 pop_time; - -static void pop_wait(void) +static void pop_wait(u32 pop_time) { if (pop_time) schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time)); } -static void pop_dbg(const char *fmt, ...) +static void pop_dbg(u32 pop_time, const char *fmt, ...) { va_list args; @@ -85,7 +80,7 @@ static void pop_dbg(const char *fmt, ...) if (pop_time) { vprintk(fmt, args); - pop_wait(); + pop_wait(pop_time); } va_end(args); @@ -230,10 +225,11 @@ static int dapm_update_bits(struct snd_soc_dapm_widget *widget) change = old != new; if (change) { - pop_dbg("pop test %s : %s in %d ms\n", widget->name, - widget->power ? "on" : "off", pop_time); + pop_dbg(codec->pop_time, "pop test %s : %s in %d ms\n", + widget->name, widget->power ? "on" : "off", + codec->pop_time); snd_soc_write(codec, widget->reg, new); - pop_wait(); + pop_wait(codec->pop_time); } pr_debug("reg %x old %x new %x change %d\n", widget->reg, old, new, change); @@ -821,23 +817,13 @@ static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL); int snd_soc_dapm_sys_add(struct device *dev) { - int ret = 0; - if (!dapm_status) return 0; ret = device_create_file(dev, &dev_attr_dapm_widget); if (ret != 0) return ret; - - asoc_debugfs = debugfs_create_dir("asoc", NULL); - if (!IS_ERR(asoc_debugfs) && asoc_debugfs) - debugfs_create_u32("dapm_pop_time", 0744, asoc_debugfs, - &pop_time); - else - asoc_debugfs = NULL; - - return 0; + return device_create_file(dev, &dev_attr_dapm_widget); } static void snd_soc_dapm_sys_remove(struct device *dev) @@ -845,9 +831,6 @@ static void snd_soc_dapm_sys_remove(struct device *dev) if (dapm_status) { device_remove_file(dev, &dev_attr_dapm_widget); } - - if (asoc_debugfs) - debugfs_remove_recursive(asoc_debugfs); } /* free all dapm widgets and resources */ |