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Diffstat (limited to 'sound/pci/rme9652')
-rw-r--r--sound/pci/rme9652/hdsp.c29
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;