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authorGrant Likely <grant.likely@secretlab.ca>2012-05-08 11:35:37 -0600
committerGrant Likely <grant.likely@secretlab.ca>2012-05-08 11:35:37 -0600
commit7b96c686223a5c902d6a59c7d178f3904f0ab757 (patch)
treefe328ed56ad3719de3cfebad72ef74e34f1ed92b /sound/soc/imx/imx-audmux.c
parentf141ed65f256ec036c7fba604da6b7c448096ef9 (diff)
parentd48b97b403d23f6df0b990cee652bdf9a52337a3 (diff)
Merge tag 'v3.4-rc6' into gpio/next
Linux 3.4-rc6
Diffstat (limited to 'sound/soc/imx/imx-audmux.c')
-rw-r--r--sound/soc/imx/imx-audmux.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c
index 601df809a26..f23700359c6 100644
--- a/sound/soc/imx/imx-audmux.c
+++ b/sound/soc/imx/imx-audmux.c
@@ -40,12 +40,6 @@ static void __iomem *audmux_base;
#ifdef CONFIG_DEBUG_FS
static struct dentry *audmux_debugfs_root;
-static int audmux_open_file(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
/* There is an annoying discontinuity in the SSI numbering with regard
* to the Linux number of the devices */
static const char *audmux_port_string(int port)
@@ -79,6 +73,9 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
if (!buf)
return -ENOMEM;
+ if (!audmux_base)
+ return -ENOSYS;
+
if (audmux_clk)
clk_prepare_enable(audmux_clk);
@@ -142,7 +139,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
}
static const struct file_operations audmux_debugfs_fops = {
- .open = audmux_open_file,
+ .open = simple_open,
.read = audmux_read_file,
.llseek = default_llseek,
};
@@ -158,7 +155,7 @@ static void __init audmux_debugfs_init(void)
return;
}
- for (i = 1; i < 8; i++) {
+ for (i = 0; i < MX31_AUDMUX_PORT6_SSI_PINS_6 + 1; i++) {
snprintf(buf, sizeof(buf), "ssi%d", i);
if (!debugfs_create_file(buf, 0444, audmux_debugfs_root,
(void *)i, &audmux_debugfs_fops))