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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Mon, 29 Apr 2024 13:48:46 +0200
Subject: [PATCH 1/4] ASoC: qcom: Constify static snd_pcm_hardware
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Message-Id: <20240429-n-asoc-const-snd-pcm-hardware-v1-1-c6ce60989834@linaro.org>
References: <20240429-n-asoc-const-snd-pcm-hardware-v1-0-c6ce60989834@linaro.org>
In-Reply-To: <20240429-n-asoc-const-snd-pcm-hardware-v1-0-c6ce60989834@linaro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, 
 Banajit Goswami <bgoswami@quicinc.com>, Liam Girdwood <lgirdwood@gmail.com>, 
 Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, 
 Takashi Iwai <tiwai@suse.com>, Shengjiu Wang <shengjiu.wang@gmail.com>, 
 Xiubo Li <Xiubo.Lee@gmail.com>, Fabio Estevam <festevam@gmail.com>, 
 Nicolin Chen <nicoleotsuka@gmail.com>, Shawn Guo <shawnguo@kernel.org>, 
 Sascha Hauer <s.hauer@pengutronix.de>, 
 Pengutronix Kernel Team <kernel@pengutronix.de>, 
 Jerome Brunet <jbrunet@baylibre.com>, 
 Neil Armstrong <neil.armstrong@linaro.org>, 
 Kevin Hilman <khilman@baylibre.com>, 
 Martin Blumenstingl <martin.blumenstingl@googlemail.com>, 
 Kunihiko Hayashi <hayashi.kunihiko@socionext.com>, 
 Masami Hiramatsu <mhiramat@kernel.org>
Cc: alsa-devel@alsa-project.org, linux-sound@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, 
 imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, 
 linux-amlogic@lists.infradead.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Static 'struct snd_pcm_hardware' is not modified by the driver and its
copy is passed to the core, so it can be made const for increased code
safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 sound/soc/qcom/qdsp6/q6apm-dai.c | 4 ++--
 sound/soc/qcom/qdsp6/q6asm-dai.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index 00bbd291be5c..3c78440a2f0f 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -85,7 +85,7 @@ struct q6apm_dai_data {
 	long long sid;
 };
 
-static struct snd_pcm_hardware q6apm_dai_hardware_capture = {
+static const struct snd_pcm_hardware q6apm_dai_hardware_capture = {
 	.info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_BLOCK_TRANSFER |
 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
@@ -104,7 +104,7 @@ static struct snd_pcm_hardware q6apm_dai_hardware_capture = {
 	.fifo_size =            0,
 };
 
-static struct snd_pcm_hardware q6apm_dai_hardware_playback = {
+static const struct snd_pcm_hardware q6apm_dai_hardware_playback = {
 	.info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_BLOCK_TRANSFER |
 				 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index aeb6a9d479ab..3913706ccdc5 100644
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -103,7 +103,7 @@ static const struct snd_pcm_hardware q6asm_dai_hardware_capture = {
 	.fifo_size =            0,
 };
 
-static struct snd_pcm_hardware q6asm_dai_hardware_playback = {
+static const struct snd_pcm_hardware q6asm_dai_hardware_playback = {
 	.info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_BATCH |
 				SNDRV_PCM_INFO_BLOCK_TRANSFER |
 				SNDRV_PCM_INFO_MMAP_VALID |

-- 
2.43.0