Commit 2c9e0cb0 authored by Christopher Brannon's avatar Christopher Brannon Committed by Greg Kroah-Hartman
Browse files

staging: speakup: speakup_dtlk.c: style fixes



* Clean this file based on reports from checkpatch.pl.
* Replace function-like macros with inline functions.
* Simplify some boolean expressions.

Signed-off-by: default avatarChristopher Brannon <chris@the-brannons.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 227e18d6
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+36 −20
Original line number Diff line number Diff line
@@ -35,9 +35,6 @@

#define DRV_VERSION "2.10"
#define PROCSPEECH 0x00
#define synth_readable() ((synth_status = inb_p(speakup_info.port_tts + UART_RX)) & TTS_READABLE)
#define synth_writable() ((synth_status = inb_p(speakup_info.port_tts + UART_RX)) & TTS_WRITABLE)
#define synth_full() ((synth_status = inb_p(speakup_info.port_tts + UART_RX)) & TTS_ALMOST_FULL)

static int synth_probe(struct spk_synth *synth);
static void dtlk_release(void);
@@ -47,8 +44,9 @@ static void synth_flush(struct spk_synth *synth);

static int synth_lpc;
static int port_forced;
static unsigned int synth_portlist[] =
		{ 0x25e, 0x29e, 0x2de, 0x31e, 0x35e, 0x39e, 0 };
static unsigned int synth_portlist[] = {
		 0x25e, 0x29e, 0x2de, 0x31e, 0x35e, 0x39e, 0
};
static u_char synth_status;

static struct var_t vars[] = {
@@ -155,17 +153,35 @@ static struct spk_synth synth_dtlk = {
	},
};

static inline bool synth_readable(void)
{
	synth_status = inb_p(speakup_info.port_tts + UART_RX);
	return (synth_status & TTS_READABLE) != 0;
}

static inline bool synth_writable(void)
{
	synth_status = inb_p(speakup_info.port_tts + UART_RX);
	return (synth_status & TTS_WRITABLE) != 0;
}

static inline bool synth_full(void)
{
	synth_status = inb_p(speakup_info.port_tts + UART_RX);
	return (synth_status & TTS_ALMOST_FULL) != 0;
}

static void spk_out(const char ch)
{
	int timeout = SPK_XMITR_TIMEOUT;
	while (synth_writable() == 0) {
	while (!synth_writable()) {
		if (!--timeout)
			break;
		udelay(1);
	}
	outb_p(ch, speakup_info.port_tts);
	timeout = SPK_XMITR_TIMEOUT;
	while (synth_writable() != 0) {
	while (synth_writable()) {
		if (!--timeout)
			break;
		udelay(1);
@@ -244,18 +260,18 @@ static const char *synth_immediate(struct spk_synth *synth, const char *buf)
static void synth_flush(struct spk_synth *synth)
{
	outb_p(SYNTH_CLEAR, speakup_info.port_tts);
	while (synth_writable() != 0)
	while (synth_writable())
		cpu_relax();
}

static char synth_read_tts(void)
{
	u_char ch;
	while (synth_readable() == 0)
	while (!synth_readable())
		cpu_relax();
	ch = synth_status & 0x7f;
	outb_p(ch, speakup_info.port_tts);
	while (synth_readable() != 0)
	while (synth_readable())
		cpu_relax();
	return (char) ch;
}