From efd33778d7183bb7a2d7630c6e57c30af8c27dd0 Mon Sep 17 00:00:00 2001
From: Harry Butterworth <heb1001@gmail.com>
Date: Sat, 11 Jun 2011 17:41:13 +0800
Subject: [PATCH - ALSA:ctxfi 2/2] ALSA: ctxfi: Implement a combined capabilities query
 method to replace multiple have_x query methods.

Signed-off-by: Harry Butterworth <heb1001@gmail.com>

diff --git a/pci/ctxfi/ctatc.c b/pci/ctxfi/ctatc.c
index 952fd94..d8a4423 100644
--- a/pci/ctxfi/ctatc.c
+++ b/pci/ctxfi/ctatc.c
@@ -18,7 +18,6 @@
 #include "ctatc.h"
 #include "ctpcm.h"
 #include "ctmixer.h"
-#include "cthardware.h"
 #include "ctsrc.h"
 #include "ctamixer.h"
 #include "ctdaio.h"
@@ -972,25 +971,11 @@ static int atc_select_mic_in(struct ct_atc *atc)
 	return 0;
 }
 
-static int atc_have_digit_io_switch(struct ct_atc *atc)
+static struct capabilities atc_capabilities(struct ct_atc *atc)
 {
 	struct hw *hw = atc->hw;
 
-	return hw->have_digit_io_switch(hw);
-}
-
-static int atc_have_dedicated_mic(struct ct_atc *atc)
-{
-	struct hw *hw = atc->hw;
-
-	return hw->have_dedicated_mic(hw);
-}
-
-static int atc_have_output_switch(struct ct_atc *atc)
-{
-	struct hw *hw = atc->hw;
-
-	return hw->have_output_switch(hw);
+	return hw->capabilities(hw);
 }
 
 static int atc_output_switch_get(struct ct_atc *atc)
@@ -1007,13 +992,6 @@ static int atc_output_switch_put(struct ct_atc *atc, int position)
 	return hw->output_switch_put(hw, position);
 }
 
-static int atc_have_mic_source_switch(struct ct_atc *atc)
-{
-	struct hw *hw = atc->hw;
-
-	return hw->have_mic_source_switch(hw);
-}
-
 static int atc_mic_source_switch_get(struct ct_atc *atc)
 {
 	struct hw *hw = atc->hw;
@@ -1664,12 +1642,9 @@ static struct ct_atc atc_preset __devinitdata = {
 	.spdif_out_get_status = atc_spdif_out_get_status,
 	.spdif_out_set_status = atc_spdif_out_set_status,
 	.spdif_out_passthru = atc_spdif_out_passthru,
-	.have_digit_io_switch = atc_have_digit_io_switch,
-	.have_dedicated_mic = atc_have_dedicated_mic,
-	.have_output_switch = atc_have_output_switch,
+	.capabilities = atc_capabilities,
 	.output_switch_get = atc_output_switch_get,
 	.output_switch_put = atc_output_switch_put,
-	.have_mic_source_switch = atc_have_mic_source_switch,
 	.mic_source_switch_get = atc_mic_source_switch_get,
 	.mic_source_switch_put = atc_mic_source_switch_put,
 #ifdef CONFIG_PM
diff --git a/pci/ctxfi/ctatc.h b/pci/ctxfi/ctatc.h
index 6bad27e..3a0def6 100644
--- a/pci/ctxfi/ctatc.h
+++ b/pci/ctxfi/ctatc.h
@@ -25,6 +25,7 @@
 #include <sound/core.h>
 
 #include "ctvmem.h"
+#include "cthardware.h"
 #include "ctresource.h"
 
 enum CTALSADEVS {		/* Types of alsa devices */
@@ -121,12 +122,9 @@ struct ct_atc {
 	int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
 	int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
 	int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
-	int (*have_digit_io_switch)(struct ct_atc *atc);
-	int (*have_dedicated_mic)(struct ct_atc *atc);
-	int (*have_output_switch)(struct ct_atc *atc);
+	struct capabilities (*capabilities)(struct ct_atc *atc);
 	int (*output_switch_get)(struct ct_atc *atc);
 	int (*output_switch_put)(struct ct_atc *atc, int position);
-	int (*have_mic_source_switch)(struct ct_atc *atc);
 	int (*mic_source_switch_get)(struct ct_atc *atc);
 	int (*mic_source_switch_put)(struct ct_atc *atc, int position);
 
diff --git a/pci/ctxfi/cthardware.h b/pci/ctxfi/cthardware.h
index de59bbf..9d7d2fb 100644
--- a/pci/ctxfi/cthardware.h
+++ b/pci/ctxfi/cthardware.h
@@ -61,6 +61,13 @@ struct card_conf {
 	unsigned int msr;	/* master sample rate in rsrs */
 };
 
+struct capabilities {
+       unsigned int digit_io_switch:1;
+       unsigned int dedicated_mic:1;
+       unsigned int output_switch:1;
+       unsigned int mic_source_switch:1;
+};
+
 struct hw {
 	int (*card_init)(struct hw *hw, struct card_conf *info);
 	int (*card_stop)(struct hw *hw);
@@ -71,12 +78,9 @@ struct hw {
 #endif
 	int (*is_adc_source_selected)(struct hw *hw, enum ADCSRC source);
 	int (*select_adc_source)(struct hw *hw, enum ADCSRC source);
-	int (*have_digit_io_switch)(struct hw *hw);
-	int (*have_dedicated_mic)(struct hw *hw);
-	int (*have_output_switch)(struct hw *hw);
+	struct capabilities (*capabilities)(struct hw *hw);
 	int (*output_switch_get)(struct hw *hw);
 	int (*output_switch_put)(struct hw *hw, int position);
-	int (*have_mic_source_switch)(struct hw *hw);
 	int (*mic_source_switch_get)(struct hw *hw);
 	int (*mic_source_switch_put)(struct hw *hw, int position);
 
diff --git a/pci/ctxfi/cthw20k1.c b/pci/ctxfi/cthw20k1.c
index 9a85a84..1ff692a 100644
--- a/pci/ctxfi/cthw20k1.c
+++ b/pci/ctxfi/cthw20k1.c
@@ -1777,25 +1777,17 @@ static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
 		return adc_init_SBx(hw, info->input, info->mic20db);
 }
 
-static int hw_have_digit_io_switch(struct hw *hw)
+static struct capabilities hw_capabilities(struct hw *hw)
 {
-	/* SB073x and Vista compatible cards have no digit IO switch */
-	return !(hw->model == CTSB073X || hw->model == CTUAA);
-}
-
-static int hw_have_dedicated_mic(struct hw *hw)
-{
-	return 0;
-}
+	struct capabilities cap;
 
-static int hw_have_output_switch(struct hw *hw)
-{
-	return 0;
-}
+	/* SB073x and Vista compatible cards have no digit IO switch */
+	cap.digit_io_switch = !(hw->model == CTSB073X || hw->model == CTUAA);
+	cap.dedicated_mic = 0;
+	cap.output_switch = 0;
+	cap.mic_source_switch = 0;
 
-static int hw_have_mic_source_switch(struct hw *hw)
-{
-	return 0;
+	return cap;
 }
 
 #define CTLBITS(a, b, c, d)	(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
@@ -2187,10 +2179,7 @@ static struct hw ct20k1_preset __devinitdata = {
 	.pll_init = hw_pll_init,
 	.is_adc_source_selected = hw_is_adc_input_selected,
 	.select_adc_source = hw_adc_input_select,
-	.have_digit_io_switch = hw_have_digit_io_switch,
-	.have_dedicated_mic = hw_have_dedicated_mic,
-	.have_output_switch = hw_have_output_switch,
-	.have_mic_source_switch = hw_have_mic_source_switch,
+	.capabilities = hw_capabilities,
 #ifdef CONFIG_PM
 	.suspend = hw_suspend,
 	.resume = hw_resume,
diff --git a/pci/ctxfi/cthw20k2.c b/pci/ctxfi/cthw20k2.c
index 8bc6e41..ea559a9 100644
--- a/pci/ctxfi/cthw20k2.c
+++ b/pci/ctxfi/cthw20k2.c
@@ -1915,19 +1915,16 @@ error:
 	return err;
 }
 
-static int hw_have_digit_io_switch(struct hw *hw)
+static struct capabilities hw_capabilities(struct hw *hw)
 {
-	return 0;
-}
+	struct capabilities cap;
 
-static int hw_have_dedicated_mic(struct hw *hw)
-{
-	return hw->model == CTSB1270;
-}
+	cap.digit_io_switch = 0;
+	cap.dedicated_mic = hw->model == CTSB1270;
+	cap.output_switch = hw->model == CTSB1270;
+	cap.mic_source_switch = hw->model == CTSB1270;
 
-static int hw_have_output_switch(struct hw *hw)
-{
-	return hw->model == CTSB1270;
+	return cap;
 }
 
 static int hw_output_switch_get(struct hw *hw)
@@ -1978,11 +1975,6 @@ static int hw_output_switch_put(struct hw *hw, int position)
 	return 1;
 }
 
-static int hw_have_mic_source_switch(struct hw *hw)
-{
-	return hw->model == CTSB1270;
-}
-
 static int hw_mic_source_switch_get(struct hw *hw)
 {
 	struct hw20k2 *hw20k2 = (struct hw20k2 *)hw;
@@ -2256,12 +2248,9 @@ static struct hw ct20k2_preset __devinitdata = {
 	.pll_init = hw_pll_init,
 	.is_adc_source_selected = hw_is_adc_input_selected,
 	.select_adc_source = hw_adc_input_select,
-	.have_digit_io_switch = hw_have_digit_io_switch,
-	.have_dedicated_mic = hw_have_dedicated_mic,
-	.have_output_switch = hw_have_output_switch,
+	.capabilities = hw_capabilities,
 	.output_switch_get = hw_output_switch_get,
 	.output_switch_put = hw_output_switch_put,
-	.have_mic_source_switch = hw_have_mic_source_switch,
 	.mic_source_switch_get = hw_mic_source_switch_get,
 	.mic_source_switch_put = hw_mic_source_switch_put,
 #ifdef CONFIG_PM
diff --git a/pci/ctxfi/ctmixer.c b/pci/ctxfi/ctmixer.c
index 388235c..0cc13ee 100644
--- a/pci/ctxfi/ctmixer.c
+++ b/pci/ctxfi/ctmixer.c
@@ -527,7 +527,7 @@ do_digit_io_switch(struct ct_atc *atc, int state)
 static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
 {
 	struct ct_mixer *mixer = atc->mixer;
-	int have_dedicated_mic = atc->have_dedicated_mic(atc);
+	struct capabilities cap = atc->capabilities(atc);
 
 	/* Do changes in mixer. */
 	if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
@@ -540,14 +540,14 @@ static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
 		}
 	}
 	/* Do changes out of mixer. */
-	if (!have_dedicated_mic &&
+	if (!cap.dedicated_mic &&
 	    (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) {
 		if (state)
 			do_line_mic_switch(atc, type);
 		atc->line_in_unmute(atc, state);
-	} else if (have_dedicated_mic && (MIXER_LINEIN_C_S == type))
+	} else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type))
 		atc->line_in_unmute(atc, state);
-	else if (have_dedicated_mic && (MIXER_MIC_C_S == type))
+	else if (cap.dedicated_mic && (MIXER_MIC_C_S == type))
 		atc->mic_unmute(atc, state);
 	else if (MIXER_SPDIFI_C_S == type)
 		atc->spdif_in_unmute(atc, state);
@@ -739,6 +739,7 @@ static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
 {
 	enum CTALSA_MIXER_CTL type;
 	struct ct_atc *atc = mixer->atc;
+	struct capabilities cap = atc->capabilities(atc);
 	int err;
 
 	/* Create snd kcontrol instances on demand */
@@ -752,8 +753,7 @@ static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
 		}
 	}
 
-	ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl =
-					atc->have_digit_io_switch(atc);
+	ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch;
 
 	for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
 		if (ct_kcontrol_init_table[type].ctl) {
@@ -777,13 +777,13 @@ static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
 	if (err)
 		return err;
 
-	if (atc->have_output_switch(atc)) {
+	if (cap.output_switch) {
 		err = ct_mixer_kcontrol_new(mixer, &output_ctl);
 		if (err)
 			return err;
 	}
 
-	if (atc->have_mic_source_switch(atc)) {
+	if (cap.mic_source_switch) {
 		err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl);
 		if (err)
 			return err;
@@ -799,7 +799,7 @@ static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
 	atc->spdif_out_unmute(atc, 0);
 	set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
 	atc->line_in_unmute(atc, 0);
-	if (atc->have_dedicated_mic(atc))
+	if (cap.dedicated_mic)
 		atc->mic_unmute(atc, 0);
 	atc->spdif_in_unmute(atc, 0);
 	set_switch_state(mixer, MIXER_PCM_C_S, 0);
-- 
1.7.0.4

