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staging: speakup: speakup_dectlk.c: style fixes

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* Clean this file based on reports from checkpatch.pl.
* Replace a function-like macro with an inline function.
* Remove an incorrect use of the volatile qualifier.  The
previously-volatile variable is now always protected by a spinlock.

Signed-off-by: Christopher Brannon <chris@the-brannons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Christopher Brannon 2010-10-14 19:24:00 -05:00 • committed by Greg Kroah-Hartman
parent c3d5d98820
commit 4073f1b6ab
1 changed files with 22 additions and 15 deletions
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19
drivers/staging/speakup/speakup_dectlk.c
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@ -36,8 +36,12 @@
#define DRV_VERSION "2.20"
#define SYNTH_CLEAR 0x03
#define PROCSPEECH 0x0b
static volatile int xoff;
#define synth_full() (xoff)
static int xoff;
static inline int synth_full(void)
{
return xoff;
}
static void do_catch_up(struct spk_synth *synth);
static void synth_flush(struct spk_synth *synth);
@ -160,7 +164,7 @@ static int is_indnum(u_char *ch)
return 0;
}
static u_char lastind = 0;
static u_char lastind;
static unsigned char get_index(void)
{
@ -198,7 +202,8 @@ static void read_buff_add(u_char c)
static void do_catch_up(struct spk_synth *synth)
{
static u_char ch = 0;
int synth_full_val = 0;
static u_char ch;
static u_char last = '\0';
unsigned long flags;
unsigned long jiff_max;
@ -243,10 +248,11 @@ static void do_catch_up(struct spk_synth *synth)
ch = synth_buffer_peek();
set_current_state(TASK_INTERRUPTIBLE);
delay_time_val = delay_time->u.n.value;
synth_full_val = synth_full();
spk_unlock(flags);
if (ch == '\n')
ch = 0x0D;
if (synth_full() || !spk_serial_out(ch)) {
if (synth_full_val || !spk_serial_out(ch)) {
schedule_timeout(msecs_to_jiffies(delay_time_val));
continue;
}
@ -268,7 +274,8 @@ static void do_catch_up(struct spk_synth *synth)
jiffy_delta_val = jiffy_delta->u.n.value;
delay_time_val = delay_time->u.n.value;
spk_unlock(flags);
schedule_timeout(msecs_to_jiffies(delay_time_val));
schedule_timeout(msecs_to_jiffies
(delay_time_val));
jiff_max = jiffies + jiffy_delta_val;
}
}