summaryrefslogtreecommitdiff
path: root/src/soc
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/common/hda_verb.c40
1 files changed, 10 insertions, 30 deletions
diff --git a/src/soc/intel/common/hda_verb.c b/src/soc/intel/common/hda_verb.c
index 6c0ace7f64..83bbb59588 100644
--- a/src/soc/intel/common/hda_verb.c
+++ b/src/soc/intel/common/hda_verb.c
@@ -7,9 +7,6 @@
#include "hda_verb.h"
-/*
- * Set bits in a register and wait for status
- */
static int set_bits(void *port, u32 mask, u32 val)
{
u32 reg32;
@@ -22,9 +19,7 @@ static int set_bits(void *port, u32 mask, u32 val)
reg32 |= val;
write32(port, reg32);
- /* Wait for readback of register to
- * match what was just written to it
- */
+ /* Wait for readback of register to match what was just written to it */
count = 50;
do {
/* Wait 1ms based on BKDG wait time */
@@ -39,9 +34,6 @@ static int set_bits(void *port, u32 mask, u32 val)
return 0;
}
-/*
- * Probe for supported codecs
- */
int hda_codec_detect(u8 *base)
{
u8 reg8;
@@ -83,18 +75,16 @@ no_codec:
}
/*
- * Wait 50usec for the codec to indicate it is ready
- * no response would imply that the codec is non-operative
+ * Wait 50usec for the codec to indicate it is ready.
+ * No response would imply that the codec is non-operative.
*/
static int hda_wait_for_ready(u8 *base)
{
- /* Use a 50 usec timeout - the Linux kernel uses the
- * same duration */
-
+ /* Use a 50 usec timeout - the Linux kernel uses the same duration */
int timeout = 50;
while (timeout--) {
- u32 reg32 = read32(base + HDA_ICII_REG);
+ u32 reg32 = read32(base + HDA_ICII_REG);
if (!(reg32 & HDA_ICII_BUSY))
return 0;
udelay(1);
@@ -104,27 +94,23 @@ static int hda_wait_for_ready(u8 *base)
}
/*
- * Wait 50usec for the codec to indicate that it accepted
- * the previous command. No response would imply that the code
- * is non-operative
+ * Wait 50usec for the codec to indicate that it accepted the previous command.
+ * No response would imply that the code is non-operative.
*/
static int hda_wait_for_valid(u8 *base)
{
u32 reg32;
+ /* Use a 50 usec timeout - the Linux kernel uses the same duration */
+ int timeout = 50;
/* Send the verb to the codec */
reg32 = read32(base + HDA_ICII_REG);
reg32 |= HDA_ICII_BUSY | HDA_ICII_VALID;
write32(base + HDA_ICII_REG, reg32);
- /* Use a 50 usec timeout - the Linux kernel uses the
- * same duration */
-
- int timeout = 50;
while (timeout--) {
reg32 = read32(base + HDA_ICII_REG);
- if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) ==
- HDA_ICII_VALID)
+ if ((reg32 & (HDA_ICII_VALID | HDA_ICII_BUSY)) == HDA_ICII_VALID)
return 0;
udelay(1);
}
@@ -177,9 +163,6 @@ static u32 hda_find_verb(u32 verb_table_bytes,
return 0;
}
-/*
- * Write a supplied verb table
- */
int hda_codec_write(u8 *base, u32 size, const u32 *data)
{
int i;
@@ -197,9 +180,6 @@ int hda_codec_write(u8 *base, u32 size, const u32 *data)
return 0;
}
-/*
- * Initialize codec, then find the verb table and write it
- */
int hda_codec_init(u8 *base, int addr, int verb_size, const u32 *verb_data)
{
const u32 *verb;