[ALSA] oxygen: optimize snd_pcm_hardware structures

Add one more indirection to the lookup of the snd_pcm_hardware structures so that we can save the space of the duplicate ones. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
author: Clemens Ladisch <clemens@ladisch.de> 2008-01-21 02:54:06 -0500
committer: Jaroslav Kysela <perex@perex.cz> 2008-01-31 11:30:08 -0500
commit: c57cccc0382fedd95373ffdb192f45d278210686 (patch)
tree: 92c525221ff7471df52d61fe8506cccd6b0fa606 /sound/pci
parent: 7f0b89465bb94eb3273ea5af5e009332351a54c9 (diff)
1 files changed, 79 insertions, 150 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index 200290099cbc..272ef08f0a28 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -24,155 +24,84 @@
 #include <sound/pcm_params.h>
 #include "oxygen.h"
-static struct snd_pcm_hardware oxygen_hardware[PCM_COUNT] = {
+static const struct snd_pcm_hardware oxygen_stereo_hardware = {
-        [PCM_A] = {
+        .info = SNDRV_PCM_INFO_MMAP |
-                .info = SNDRV_PCM_INFO_MMAP |
+                SNDRV_PCM_INFO_MMAP_VALID |
-                        SNDRV_PCM_INFO_MMAP_VALID |
+                SNDRV_PCM_INFO_INTERLEAVED |
-                        SNDRV_PCM_INFO_INTERLEAVED |
+                SNDRV_PCM_INFO_PAUSE |
-                        SNDRV_PCM_INFO_PAUSE |
+                SNDRV_PCM_INFO_SYNC_START,
-                        SNDRV_PCM_INFO_SYNC_START,
+        .formats = SNDRV_PCM_FMTBIT_S16_LE |
-                .formats = SNDRV_PCM_FMTBIT_S16_LE |
+                   SNDRV_PCM_FMTBIT_S32_LE,
-                           SNDRV_PCM_FMTBIT_S32_LE,
+        .rates = SNDRV_PCM_RATE_32000 |
-                .rates = SNDRV_PCM_RATE_32000 |
+                 SNDRV_PCM_RATE_44100 |
-                         SNDRV_PCM_RATE_44100 |
+                 SNDRV_PCM_RATE_48000 |
-                         SNDRV_PCM_RATE_48000 |
+                 SNDRV_PCM_RATE_64000 |
-                         SNDRV_PCM_RATE_64000 |
+                 SNDRV_PCM_RATE_88200 |
-                         SNDRV_PCM_RATE_88200 |
+                 SNDRV_PCM_RATE_96000 |
-                         SNDRV_PCM_RATE_96000 |
+                 SNDRV_PCM_RATE_176400 |
-                         SNDRV_PCM_RATE_176400 |
+                 SNDRV_PCM_RATE_192000,
-                         SNDRV_PCM_RATE_192000,
+        .rate_min = 32000,
-                .rate_min = 32000,
+        .rate_max = 192000,
-                .rate_max = 192000,
+        .channels_min = 2,
-                .channels_min = 2,
+        .channels_max = 2,
-                .channels_max = 2,
+        .buffer_bytes_max = 256 * 1024,
-                .buffer_bytes_max = 256 * 1024,
+        .period_bytes_min = 128,
-                .period_bytes_min = 128,
+        .period_bytes_max = 128 * 1024,
-                .period_bytes_max = 128 * 1024,
+        .periods_min = 2,
-                .periods_min = 2,
+        .periods_max = 2048,
-                .periods_max = 2048,
+};
-        },
+static const struct snd_pcm_hardware oxygen_multichannel_hardware = {
-        [PCM_B] = {
+        .info = SNDRV_PCM_INFO_MMAP |
-                .info = SNDRV_PCM_INFO_MMAP |
+                SNDRV_PCM_INFO_MMAP_VALID |
-                        SNDRV_PCM_INFO_MMAP_VALID |
+                SNDRV_PCM_INFO_INTERLEAVED |
-                        SNDRV_PCM_INFO_INTERLEAVED |
+                SNDRV_PCM_INFO_PAUSE |
-                        SNDRV_PCM_INFO_PAUSE |
+                SNDRV_PCM_INFO_SYNC_START,
-                        SNDRV_PCM_INFO_SYNC_START,
+        .formats = SNDRV_PCM_FMTBIT_S16_LE |
-                .formats = SNDRV_PCM_FMTBIT_S16_LE |
+                   SNDRV_PCM_FMTBIT_S32_LE,
-                           SNDRV_PCM_FMTBIT_S32_LE,
+        .rates = SNDRV_PCM_RATE_32000 |
-                .rates = SNDRV_PCM_RATE_32000 |
+                 SNDRV_PCM_RATE_44100 |
-                         SNDRV_PCM_RATE_44100 |
+                 SNDRV_PCM_RATE_48000 |
-                         SNDRV_PCM_RATE_48000 |
+                 SNDRV_PCM_RATE_64000 |
-                         SNDRV_PCM_RATE_64000 |
+                 SNDRV_PCM_RATE_88200 |
-                         SNDRV_PCM_RATE_88200 |
+                 SNDRV_PCM_RATE_96000 |
-                         SNDRV_PCM_RATE_96000 |
+                 SNDRV_PCM_RATE_176400 |
-                         SNDRV_PCM_RATE_176400 |
+                 SNDRV_PCM_RATE_192000,
-                         SNDRV_PCM_RATE_192000,
+        .rate_min = 32000,
-                .rate_min = 32000,
+        .rate_max = 192000,
-                .rate_max = 192000,
+        .channels_min = 2,
-                .channels_min = 2,
+        .channels_max = 8,
-                .channels_max = 2,
+        .buffer_bytes_max = 2048 * 1024,
-                .buffer_bytes_max = 256 * 1024,
+        .period_bytes_min = 128,
-                .period_bytes_min = 128,
+        .period_bytes_max = 256 * 1024,
-                .period_bytes_max = 128 * 1024,
+        .periods_min = 2,
-                .periods_min = 2,
+        .periods_max = 16384,
-                .periods_max = 2048,
+};
-        },
+static const struct snd_pcm_hardware oxygen_ac97_hardware = {
-        [PCM_C] = {
+        .info = SNDRV_PCM_INFO_MMAP |
-                .info = SNDRV_PCM_INFO_MMAP |
+                SNDRV_PCM_INFO_MMAP_VALID |
-                        SNDRV_PCM_INFO_MMAP_VALID |
+                SNDRV_PCM_INFO_INTERLEAVED |
-                        SNDRV_PCM_INFO_INTERLEAVED |
+                SNDRV_PCM_INFO_PAUSE |
-                        SNDRV_PCM_INFO_PAUSE |
+                SNDRV_PCM_INFO_SYNC_START,
-                        SNDRV_PCM_INFO_SYNC_START,
+        .formats = SNDRV_PCM_FMTBIT_S16_LE,
-                .formats = SNDRV_PCM_FMTBIT_S16_LE |
+        .rates = SNDRV_PCM_RATE_48000,
-                           SNDRV_PCM_FMTBIT_S32_LE,
+        .rate_min = 48000,
-                .rates = SNDRV_PCM_RATE_32000 |
+        .rate_max = 48000,
-                         SNDRV_PCM_RATE_44100 |
+        .channels_min = 2,
-                         SNDRV_PCM_RATE_48000 |
+        .channels_max = 2,
-                         SNDRV_PCM_RATE_64000 |
+        .buffer_bytes_max = 256 * 1024,
-                         SNDRV_PCM_RATE_88200 |
+        .period_bytes_min = 128,
-                         SNDRV_PCM_RATE_96000 |
+        .period_bytes_max = 128 * 1024,
-                         SNDRV_PCM_RATE_176400 |
+        .periods_min = 2,
-                         SNDRV_PCM_RATE_192000,
+        .periods_max = 2048,
-                .rate_min = 32000,
+};
-                .rate_max = 192000,
-                .channels_min = 2,
+static const struct snd_pcm_hardware *const oxygen_hardware[PCM_COUNT] = {
-                .channels_max = 2,
+        [PCM_A] = &oxygen_stereo_hardware,
-                .buffer_bytes_max = 256 * 1024,
+        [PCM_B] = &oxygen_stereo_hardware,
-                .period_bytes_min = 128,
+        [PCM_C] = &oxygen_stereo_hardware,
-                .period_bytes_max = 128 * 1024,
+        [PCM_SPDIF] = &oxygen_stereo_hardware,
-                .periods_min = 2,
+        [PCM_MULTICH] = &oxygen_multichannel_hardware,
-                .periods_max = 2048,
+        [PCM_AC97] = &oxygen_ac97_hardware,
-        },
-        [PCM_SPDIF] = {
-                .info = SNDRV_PCM_INFO_MMAP |
-                        SNDRV_PCM_INFO_MMAP_VALID |
-                        SNDRV_PCM_INFO_INTERLEAVED |
-                        SNDRV_PCM_INFO_PAUSE |
-                        SNDRV_PCM_INFO_SYNC_START,
-                .formats = SNDRV_PCM_FMTBIT_S16_LE |
-                           SNDRV_PCM_FMTBIT_S32_LE,
-                .rates = SNDRV_PCM_RATE_32000 |
-                         SNDRV_PCM_RATE_44100 |
-                         SNDRV_PCM_RATE_48000 |
-                         SNDRV_PCM_RATE_64000 |
-                         SNDRV_PCM_RATE_88200 |
-                         SNDRV_PCM_RATE_96000 |
-                         SNDRV_PCM_RATE_176400 |
-                         SNDRV_PCM_RATE_192000,
-                .rate_min = 32000,
-                .rate_max = 192000,
-                .channels_min = 2,
-                .channels_max = 2,
-                .buffer_bytes_max = 256 * 1024,
-                .period_bytes_min = 128,
-                .period_bytes_max = 128 * 1024,
-                .periods_min = 2,
-                .periods_max = 2048,
-        },
-        [PCM_MULTICH] = {
-                .info = SNDRV_PCM_INFO_MMAP |
-                        SNDRV_PCM_INFO_MMAP_VALID |
-                        SNDRV_PCM_INFO_INTERLEAVED |
-                        SNDRV_PCM_INFO_PAUSE |
-                        SNDRV_PCM_INFO_SYNC_START,
-                .formats = SNDRV_PCM_FMTBIT_S16_LE |
-                           SNDRV_PCM_FMTBIT_S32_LE,
-                .rates = SNDRV_PCM_RATE_32000 |
-                         SNDRV_PCM_RATE_44100 |
-                         SNDRV_PCM_RATE_48000 |
-                         SNDRV_PCM_RATE_64000 |
-                         SNDRV_PCM_RATE_88200 |
-                         SNDRV_PCM_RATE_96000 |
-                         SNDRV_PCM_RATE_176400 |
-                         SNDRV_PCM_RATE_192000,
-                .rate_min = 32000,
-                .rate_max = 192000,
-                .channels_min = 2,
-                .channels_max = 8,
-                .buffer_bytes_max = 2048 * 1024,
-                .period_bytes_min = 128,
-                .period_bytes_max = 256 * 1024,
-                .periods_min = 2,
-                .periods_max = 16384,
-        },
-        [PCM_AC97] = {
-                .info = SNDRV_PCM_INFO_MMAP |
-                        SNDRV_PCM_INFO_MMAP_VALID |
-                        SNDRV_PCM_INFO_INTERLEAVED |
-                        SNDRV_PCM_INFO_PAUSE |
-                        SNDRV_PCM_INFO_SYNC_START,
-                .formats = SNDRV_PCM_FMTBIT_S16_LE,
-                .rates = SNDRV_PCM_RATE_48000,
-                .rate_min = 48000,
-                .rate_max = 48000,
-                .channels_min = 2,
-                .channels_max = 2,
-                .buffer_bytes_max = 256 * 1024,
-                .period_bytes_min = 128,
-                .period_bytes_max = 128 * 1024,
-                .periods_min = 2,
-                .periods_max = 2048,
-        },
 };
 static inline unsigned int
@@ -189,7 +118,7 @@ static int oxygen_open(struct snd_pcm_substream *substream,
        int err;
        runtime->private_data = (void *)(uintptr_t)channel;
-        runtime->hw = oxygen_hardware[channel];
+        runtime->hw = *oxygen_hardware[channel];
        if (chip->model->pcm_hardware_filter)
                chip->model->pcm_hardware_filter(channel, &runtime->hw);
        err = snd_pcm_hw_constraint_step(runtime, 0,
author	Clemens Ladisch <clemens@ladisch.de>	2008-01-21 02:54:06 -0500
committer	Jaroslav Kysela <perex@perex.cz>	2008-01-31 11:30:08 -0500
commit	c57cccc0382fedd95373ffdb192f45d278210686 (patch)
tree	92c525221ff7471df52d61fe8506cccd6b0fa606 /sound/pci
parent	7f0b89465bb94eb3273ea5af5e009332351a54c9 (diff)

diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c index 200290099cbc..272ef08f0a28 100644 --- a/sound/pci/oxygen/oxygen_pcm.c +++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -24,155 +24,84 @@
24	#include <sound/pcm_params.h>	24	#include <sound/pcm_params.h>
25	#include "oxygen.h"	25	#include "oxygen.h"
26		26
27	static struct snd_pcm_hardware oxygen_hardware[PCM_COUNT] = {	27	static const struct snd_pcm_hardware oxygen_stereo_hardware = {
28	[PCM_A] = {	28	.info = SNDRV_PCM_INFO_MMAP \|
29	.info = SNDRV_PCM_INFO_MMAP \|	29	SNDRV_PCM_INFO_MMAP_VALID \|
30	SNDRV_PCM_INFO_MMAP_VALID \|	30	SNDRV_PCM_INFO_INTERLEAVED \|
31	SNDRV_PCM_INFO_INTERLEAVED \|	31	SNDRV_PCM_INFO_PAUSE \|
32	SNDRV_PCM_INFO_PAUSE \|	32	SNDRV_PCM_INFO_SYNC_START,
33	SNDRV_PCM_INFO_SYNC_START,	33	.formats = SNDRV_PCM_FMTBIT_S16_LE \|
34	.formats = SNDRV_PCM_FMTBIT_S16_LE \|	34	SNDRV_PCM_FMTBIT_S32_LE,
35	SNDRV_PCM_FMTBIT_S32_LE,	35	.rates = SNDRV_PCM_RATE_32000 \|
36	.rates = SNDRV_PCM_RATE_32000 \|	36	SNDRV_PCM_RATE_44100 \|
37	SNDRV_PCM_RATE_44100 \|	37	SNDRV_PCM_RATE_48000 \|
38	SNDRV_PCM_RATE_48000 \|	38	SNDRV_PCM_RATE_64000 \|
39	SNDRV_PCM_RATE_64000 \|	39	SNDRV_PCM_RATE_88200 \|
40	SNDRV_PCM_RATE_88200 \|	40	SNDRV_PCM_RATE_96000 \|
41	SNDRV_PCM_RATE_96000 \|	41	SNDRV_PCM_RATE_176400 \|
42	SNDRV_PCM_RATE_176400 \|	42	SNDRV_PCM_RATE_192000,
43	SNDRV_PCM_RATE_192000,	43	.rate_min = 32000,
44	.rate_min = 32000,	44	.rate_max = 192000,
45	.rate_max = 192000,	45	.channels_min = 2,
46	.channels_min = 2,	46	.channels_max = 2,
47	.channels_max = 2,	47	.buffer_bytes_max = 256 * 1024,
48	.buffer_bytes_max = 256 * 1024,	48	.period_bytes_min = 128,
49	.period_bytes_min = 128,	49	.period_bytes_max = 128 * 1024,
50	.period_bytes_max = 128 * 1024,	50	.periods_min = 2,
51	.periods_min = 2,	51	.periods_max = 2048,
52	.periods_max = 2048,	52	};
53	},	53	static const struct snd_pcm_hardware oxygen_multichannel_hardware = {
54	[PCM_B] = {	54	.info = SNDRV_PCM_INFO_MMAP \|
55	.info = SNDRV_PCM_INFO_MMAP \|	55	SNDRV_PCM_INFO_MMAP_VALID \|
56	SNDRV_PCM_INFO_MMAP_VALID \|	56	SNDRV_PCM_INFO_INTERLEAVED \|
57	SNDRV_PCM_INFO_INTERLEAVED \|	57	SNDRV_PCM_INFO_PAUSE \|
58	SNDRV_PCM_INFO_PAUSE \|	58	SNDRV_PCM_INFO_SYNC_START,
59	SNDRV_PCM_INFO_SYNC_START,	59	.formats = SNDRV_PCM_FMTBIT_S16_LE \|
60	.formats = SNDRV_PCM_FMTBIT_S16_LE \|	60	SNDRV_PCM_FMTBIT_S32_LE,
61	SNDRV_PCM_FMTBIT_S32_LE,	61	.rates = SNDRV_PCM_RATE_32000 \|
62	.rates = SNDRV_PCM_RATE_32000 \|	62	SNDRV_PCM_RATE_44100 \|
63	SNDRV_PCM_RATE_44100 \|	63	SNDRV_PCM_RATE_48000 \|
64	SNDRV_PCM_RATE_48000 \|	64	SNDRV_PCM_RATE_64000 \|
65	SNDRV_PCM_RATE_64000 \|	65	SNDRV_PCM_RATE_88200 \|
66	SNDRV_PCM_RATE_88200 \|	66	SNDRV_PCM_RATE_96000 \|
67	SNDRV_PCM_RATE_96000 \|	67	SNDRV_PCM_RATE_176400 \|
68	SNDRV_PCM_RATE_176400 \|	68	SNDRV_PCM_RATE_192000,
69	SNDRV_PCM_RATE_192000,	69	.rate_min = 32000,
70	.rate_min = 32000,	70	.rate_max = 192000,
71	.rate_max = 192000,	71	.channels_min = 2,
72	.channels_min = 2,	72	.channels_max = 8,
73	.channels_max = 2,	73	.buffer_bytes_max = 2048 * 1024,
74	.buffer_bytes_max = 256 * 1024,	74	.period_bytes_min = 128,
75	.period_bytes_min = 128,	75	.period_bytes_max = 256 * 1024,
76	.period_bytes_max = 128 * 1024,	76	.periods_min = 2,
77	.periods_min = 2,	77	.periods_max = 16384,
78	.periods_max = 2048,	78	};
79	},	79	static const struct snd_pcm_hardware oxygen_ac97_hardware = {
80	[PCM_C] = {	80	.info = SNDRV_PCM_INFO_MMAP \|
81	.info = SNDRV_PCM_INFO_MMAP \|	81	SNDRV_PCM_INFO_MMAP_VALID \|
82	SNDRV_PCM_INFO_MMAP_VALID \|	82	SNDRV_PCM_INFO_INTERLEAVED \|
83	SNDRV_PCM_INFO_INTERLEAVED \|	83	SNDRV_PCM_INFO_PAUSE \|
84	SNDRV_PCM_INFO_PAUSE \|	84	SNDRV_PCM_INFO_SYNC_START,
85	SNDRV_PCM_INFO_SYNC_START,	85	.formats = SNDRV_PCM_FMTBIT_S16_LE,
86	.formats = SNDRV_PCM_FMTBIT_S16_LE \|	86	.rates = SNDRV_PCM_RATE_48000,
87	SNDRV_PCM_FMTBIT_S32_LE,	87	.rate_min = 48000,
88	.rates = SNDRV_PCM_RATE_32000 \|	88	.rate_max = 48000,
89	SNDRV_PCM_RATE_44100 \|	89	.channels_min = 2,
90	SNDRV_PCM_RATE_48000 \|	90	.channels_max = 2,
91	SNDRV_PCM_RATE_64000 \|	91	.buffer_bytes_max = 256 * 1024,
92	SNDRV_PCM_RATE_88200 \|	92	.period_bytes_min = 128,
93	SNDRV_PCM_RATE_96000 \|	93	.period_bytes_max = 128 * 1024,
94	SNDRV_PCM_RATE_176400 \|	94	.periods_min = 2,
95	SNDRV_PCM_RATE_192000,	95	.periods_max = 2048,
96	.rate_min = 32000,	96	};
97	.rate_max = 192000,	97
98	.channels_min = 2,	98	static const struct snd_pcm_hardware *const oxygen_hardware[PCM_COUNT] = {
99	.channels_max = 2,	99	[PCM_A] = &oxygen_stereo_hardware,
100	.buffer_bytes_max = 256 * 1024,	100	[PCM_B] = &oxygen_stereo_hardware,
101	.period_bytes_min = 128,	101	[PCM_C] = &oxygen_stereo_hardware,
102	.period_bytes_max = 128 * 1024,	102	[PCM_SPDIF] = &oxygen_stereo_hardware,
103	.periods_min = 2,	103	[PCM_MULTICH] = &oxygen_multichannel_hardware,
104	.periods_max = 2048,	104	[PCM_AC97] = &oxygen_ac97_hardware,
105	},
106	[PCM_SPDIF] = {
107	.info = SNDRV_PCM_INFO_MMAP \|
108	SNDRV_PCM_INFO_MMAP_VALID \|
109	SNDRV_PCM_INFO_INTERLEAVED \|
110	SNDRV_PCM_INFO_PAUSE \|
111	SNDRV_PCM_INFO_SYNC_START,
112	.formats = SNDRV_PCM_FMTBIT_S16_LE \|
113	SNDRV_PCM_FMTBIT_S32_LE,
114	.rates = SNDRV_PCM_RATE_32000 \|
115	SNDRV_PCM_RATE_44100 \|
116	SNDRV_PCM_RATE_48000 \|
117	SNDRV_PCM_RATE_64000 \|
118	SNDRV_PCM_RATE_88200 \|
119	SNDRV_PCM_RATE_96000 \|
120	SNDRV_PCM_RATE_176400 \|
121	SNDRV_PCM_RATE_192000,
122	.rate_min = 32000,
123	.rate_max = 192000,
124	.channels_min = 2,
125	.channels_max = 2,
126	.buffer_bytes_max = 256 * 1024,
127	.period_bytes_min = 128,
128	.period_bytes_max = 128 * 1024,
129	.periods_min = 2,
130	.periods_max = 2048,
131	},
132	[PCM_MULTICH] = {
133	.info = SNDRV_PCM_INFO_MMAP \|
134	SNDRV_PCM_INFO_MMAP_VALID \|
135	SNDRV_PCM_INFO_INTERLEAVED \|
136	SNDRV_PCM_INFO_PAUSE \|
137	SNDRV_PCM_INFO_SYNC_START,
138	.formats = SNDRV_PCM_FMTBIT_S16_LE \|
139	SNDRV_PCM_FMTBIT_S32_LE,
140	.rates = SNDRV_PCM_RATE_32000 \|
141	SNDRV_PCM_RATE_44100 \|
142	SNDRV_PCM_RATE_48000 \|
143	SNDRV_PCM_RATE_64000 \|
144	SNDRV_PCM_RATE_88200 \|
145	SNDRV_PCM_RATE_96000 \|
146	SNDRV_PCM_RATE_176400 \|
147	SNDRV_PCM_RATE_192000,
148	.rate_min = 32000,
149	.rate_max = 192000,
150	.channels_min = 2,
151	.channels_max = 8,
152	.buffer_bytes_max = 2048 * 1024,
153	.period_bytes_min = 128,
154	.period_bytes_max = 256 * 1024,
155	.periods_min = 2,
156	.periods_max = 16384,
157	},
158	[PCM_AC97] = {
159	.info = SNDRV_PCM_INFO_MMAP \|
160	SNDRV_PCM_INFO_MMAP_VALID \|
161	SNDRV_PCM_INFO_INTERLEAVED \|
162	SNDRV_PCM_INFO_PAUSE \|
163	SNDRV_PCM_INFO_SYNC_START,
164	.formats = SNDRV_PCM_FMTBIT_S16_LE,
165	.rates = SNDRV_PCM_RATE_48000,
166	.rate_min = 48000,
167	.rate_max = 48000,
168	.channels_min = 2,
169	.channels_max = 2,
170	.buffer_bytes_max = 256 * 1024,
171	.period_bytes_min = 128,
172	.period_bytes_max = 128 * 1024,
173	.periods_min = 2,
174	.periods_max = 2048,
175	},
176	};	105	};
177		106
178	static inline unsigned int	107	static inline unsigned int
@@ -189,7 +118,7 @@ static int oxygen_open(struct snd_pcm_substream *substream,
189	int err;	118	int err;
190		119
191	runtime->private_data = (void *)(uintptr_t)channel;	120	runtime->private_data = (void *)(uintptr_t)channel;
192	runtime->hw = oxygen_hardware[channel];	121	runtime->hw = *oxygen_hardware[channel];
193	if (chip->model->pcm_hardware_filter)	122	if (chip->model->pcm_hardware_filter)
194	chip->model->pcm_hardware_filter(channel, &runtime->hw);	123	chip->model->pcm_hardware_filter(channel, &runtime->hw);
195	err = snd_pcm_hw_constraint_step(runtime, 0,	124	err = snd_pcm_hw_constraint_step(runtime, 0,