1 files changed, 25 insertions, 4 deletions

diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index bacfdd12619b..12c6b4305ec1 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -653,7 +653,6 @@ static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
 
 static int hdsp_check_for_iobox (struct hdsp *hdsp)
 {
-
         if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0;
         if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_ConfigError) {
                 snd_printk ("Hammerfall-DSP: no Digiface or Multiface connected!\n");
@@ -661,7 +660,29 @@ static int hdsp_check_for_iobox (struct hdsp *hdsp)
                 return -EIO;
         }
         return 0;
+}
 
+static int hdsp_wait_for_iobox(struct hdsp *hdsp, unsigned int loops,
+                               unsigned int delay)
+{
+        unsigned int i;
+
+        if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
+                return 0;
+
+        for (i = 0; i != loops; ++i) {
+                if (hdsp_read(hdsp, HDSP_statusRegister) & HDSP_ConfigError)
+                        msleep(delay);
+                else {
+                        snd_printd("Hammerfall-DSP: iobox found after %ums!\n",
+                                   i * delay);
+                        return 0;
+                }
+        }
+
+        snd_printk("Hammerfall-DSP: no Digiface or Multiface connected!\n");
+        hdsp->state &= ~HDSP_FirmwareLoaded;
+        return -EIO;
 }
 
 static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
@@ -5046,10 +5067,10 @@ static int __devinit snd_hdsp_create(struct snd_card *card,
                 return err;
         
         if (!is_9652 && !is_9632) {
-                /* we wait 2 seconds to let freshly inserted cardbus cards do their hardware init */
-                ssleep(2);
+                /* we wait a maximum of 10 seconds to let freshly
+                 * inserted cardbus cards do their hardware init */
+                err = hdsp_wait_for_iobox(hdsp, 1000, 10);
 
-                err = hdsp_check_for_iobox(hdsp);
                 if (err < 0)
                         return err;