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-rw-r--r--sound/soc/samsung/smdk_wm8994.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/sound/soc/samsung/smdk_wm8994.c b/sound/soc/samsung/smdk_wm8994.c
index a56117536c94..5fd7a05a9b9e 100644
--- a/sound/soc/samsung/smdk_wm8994.c
+++ b/sound/soc/samsung/smdk_wm8994.c
@@ -11,6 +11,7 @@
11#include <sound/pcm_params.h> 11#include <sound/pcm_params.h>
12#include <linux/module.h> 12#include <linux/module.h>
13#include <linux/of.h> 13#include <linux/of.h>
14#include <linux/of_device.h>
14 15
15 /* 16 /*
16 * Default CFG switch settings to use this driver: 17 * Default CFG switch settings to use this driver:
@@ -37,6 +38,15 @@
37/* SMDK has a 16.934MHZ crystal attached to WM8994 */ 38/* SMDK has a 16.934MHZ crystal attached to WM8994 */
38#define SMDK_WM8994_FREQ 16934000 39#define SMDK_WM8994_FREQ 16934000
39 40
41struct smdk_wm8994_data {
42 int mclk1_rate;
43};
44
45/* Default SMDKs */
46static struct smdk_wm8994_data smdk_board_data = {
47 .mclk1_rate = SMDK_WM8994_FREQ,
48};
49
40static int smdk_hw_params(struct snd_pcm_substream *substream, 50static int smdk_hw_params(struct snd_pcm_substream *substream,
41 struct snd_pcm_hw_params *params) 51 struct snd_pcm_hw_params *params)
42{ 52{
@@ -141,15 +151,28 @@ static struct snd_soc_card smdk = {
141 .num_links = ARRAY_SIZE(smdk_dai), 151 .num_links = ARRAY_SIZE(smdk_dai),
142}; 152};
143 153
154#ifdef CONFIG_OF
155static const struct of_device_id samsung_wm8994_of_match[] = {
156 { .compatible = "samsung,smdk-wm8994", .data = &smdk_board_data },
157 {},
158};
159MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match);
160#endif /* CONFIG_OF */
144 161
145static int smdk_audio_probe(struct platform_device *pdev) 162static int smdk_audio_probe(struct platform_device *pdev)
146{ 163{
147 int ret; 164 int ret;
148 struct device_node *np = pdev->dev.of_node; 165 struct device_node *np = pdev->dev.of_node;
149 struct snd_soc_card *card = &smdk; 166 struct snd_soc_card *card = &smdk;
167 struct smdk_wm8994_data *board;
168 const struct of_device_id *id;
150 169
151 card->dev = &pdev->dev; 170 card->dev = &pdev->dev;
152 171
172 board = devm_kzalloc(&pdev->dev, sizeof(*board), GFP_KERNEL);
173 if (!board)
174 return -ENOMEM;
175
153 if (np) { 176 if (np) {
154 smdk_dai[0].cpu_dai_name = NULL; 177 smdk_dai[0].cpu_dai_name = NULL;
155 smdk_dai[0].cpu_of_node = of_parse_phandle(np, 178 smdk_dai[0].cpu_of_node = of_parse_phandle(np,
@@ -164,6 +187,12 @@ static int smdk_audio_probe(struct platform_device *pdev)
164 smdk_dai[0].platform_of_node = smdk_dai[0].cpu_of_node; 187 smdk_dai[0].platform_of_node = smdk_dai[0].cpu_of_node;
165 } 188 }
166 189
190 id = of_match_device(samsung_wm8994_of_match, &pdev->dev);
191 if (id)
192 *board = *((struct smdk_wm8994_data *)id->data);
193
194 platform_set_drvdata(pdev, board);
195
167 ret = snd_soc_register_card(card); 196 ret = snd_soc_register_card(card);
168 197
169 if (ret) 198 if (ret)
@@ -181,14 +210,6 @@ static int smdk_audio_remove(struct platform_device *pdev)
181 return 0; 210 return 0;
182} 211}
183 212
184#ifdef CONFIG_OF
185static const struct of_device_id samsung_wm8994_of_match[] = {
186 { .compatible = "samsung,smdk-wm8994", },
187 {},
188};
189MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match);
190#endif /* CONFIG_OF */
191
192static struct platform_driver smdk_audio_driver = { 213static struct platform_driver smdk_audio_driver = {
193 .driver = { 214 .driver = {
194 .name = "smdk-audio-wm8894", 215 .name = "smdk-audio-wm8894",